梅特勒电位滴定仪操作介绍.ppt

操作介绍操作介绍全自动电位滴定仪全自动电位滴定仪METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 20242全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training2 2滴定分析的要求滴定分析的要求Ÿ 完全的化学反应完全的化学反应Ÿ 快速的反应快速的反应Ÿ 按固定比例进行反应按固定比例进行反应Ÿ 可测定终点可测定终点METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 20243全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training3 3滴定的定义滴定的定义滴定是一种化学定量分析滴定是一种化学定量分析用一已知浓度的滴定剂和被测溶液用一已知浓度的滴定剂和被测溶液发生完全的化学反应，发生完全的化学反应，从而定量测从而定量测定被测溶液定被测溶液METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 20244全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training4 4电极的信号响应代替人眼电极的信号响应代替人眼电极的信号响应代替人眼电极的信号响应代替人眼对指示剂颜色变化的判断对指示剂颜色变化的判断对指示剂颜色变化的判断对指示剂颜色变化的判断终点判断的方法终点判断的方法指示剂的指示剂的指示剂的指示剂的颜色变化颜色变化颜色变化颜色变化手工滴定手工滴定自动电位滴定自动电位滴定METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 20245全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training5 5C 滴定速度更快速滴定速度更快速, , 准确准确C 提高结果的重现性提高结果的重现性C 减低人为错误减低人为错误C 自动化进行复杂的滴定程序自动化进行复杂的滴定程序自动电位滴定的优点自动电位滴定的优点METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 20246全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training6 6梅特勒梅特勒- -托利多自动电位滴定仪的基本结构托利多自动电位滴定仪的基本结构搅拌器搅拌器测量电极测量电极滴定杯滴定杯键盘键盘滴定管滴定管中央控制器中央控制器METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 20247全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training7 7图象功能键图象功能键( (例：滴定管例：滴定管) )• 清洗滴定管清洗滴定管• 清洗滴定管段清洗滴定管段• 馈液馈液• 连续馈液连续馈液菜单操作键菜单操作键 ( (例：基本设置例：基本设置) )• 滴定剂滴定剂• 传感器传感器• 温度传感器温度传感器• 滴定台滴定台• 周边设备周边设备• 溶剂溶剂• 输入控制输入控制• 输出控制输出控制人机工程化人机工程化特大液晶显示特大液晶显示操作面板一目了然！操作面板一目了然！DL5X DL5X 系列系列滴定仪滴定仪方法概念方法概念METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 20249全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training9 9仪器如何进行自动滴定？仪器如何进行自动滴定？ - -有效的滴定方法有效的滴定方法SampleEQP TitrationStirTitleCalculationReportCalculationCalculationMETTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202410全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training1010如何建立有效的滴定方法如何建立有效的滴定方法SampleEQP TitrationStirTitleCalculationReportCalculationCalculationTitrant / SensorTitrant additionMeasure modeRecognitionTerminationEvaluationPredispensingMETTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202411全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training1111标题标题 : : 酸含量的测定酸含量的测定方法方法移取 5 ml 样品至烧杯中，加入 40 蒸馏水.滴加 3 滴酚酞指示剂.用0.1 N NaOH滴定至溶液呈微红色.读取所消耗的 0.1M NaOH 的体积数.做 2 次以上的平行样品.计算计算 酸含量可通过以下公式得到: R = 64 x V x c/ Vol计算计算 做 3 个样品的统计结果报告报告 结果METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202412全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training1212• 自动滴定仪方法自动滴定仪方法– 清晰的文本格式METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202413全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training1313滴定方法需由滴定方法需由多个步骤组成多个步骤组成METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202414全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training1414直到现在，滴定方法直到现在，滴定方法的建立仍然是滴定的建立仍然是滴定工作中最困难的一步工作中最困难的一步METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202415全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training1515使用使用DL5XDL5X系列滴定仪使以上的问题都迎刃而解！系列滴定仪使以上的问题都迎刃而解！•因为因为DL5DL5X X系列电位滴定仪具有系列电位滴定仪具有: : –21 21 种标准方法种标准方法–梅特勒－托利多应用方法梅特勒－托利多应用方法METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202416全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training1616DL5X DL5X 系列电位滴定仪系列电位滴定仪具备具备 2121 种滴定方法结构种滴定方法结构 ( (标准方法标准方法) )可覆盖可覆盖 90%90% 以上的以上的滴定工作滴定工作稍作修改便成为您需要稍作修改便成为您需要的用户方法的用户方法( (User Method)User Method)SampleEQP TitrationStirTitleCalculationReportCalculationCalculationMETTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202417全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training1717梅特勒梅特勒- -托利多应用方法托利多应用方法• 各种常规应用方法各种常规应用方法• 例：电极校正，例：电极校正，pH/ISE pH/ISE 测定测定 酸碱滴定酸碱滴定，，银量法滴定银量法滴定，，TAN/TBNTAN/TBN NaOH NaOH标定，标定，HClHCl标定标定• 可直接调用可直接调用• 也可稍作修改后，用其它的方法名称储存也可稍作修改后，用其它的方法名称储存METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202418全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training1818标准方法标准方法(21(21种结构种结构) )梅特勒梅特勒- -托利多托利多应用方法应用方法用户方法用户方法METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202419全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training19191 Equivalence point titration (EQP) 2 EQP titration (Ipol/Upol) 3 End point titration (EP) 4 EP titration (Ipol/Upol) 5 Titer by EQP titration 6 Titer by EP titration 7 Titer by EP titration (Ipol/Upol) 8 Titer by EQP titration (Ipol/Upol) 9 Blank by EQP titration 10 Blank by EP titration11 Blank by EQP titration (Ipol/Upol) 12 Blank by EP titration (Ipol/Upol)2121种种标标准准方方法法METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202420全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training202013 Stat titration pH- or mV-stating 14 EQP titration with dispense 15 EP titration with dispense 16 2 Step titration (EQP) 17 2 Step titration (EP) 18 Combined EP/EQP titration 19 Sensor calibration 20 Sensor measurement 21 Learn titration2121种种标标准准方方法法METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202421全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training2121• 根据您的测试需要 作出您的选择 – 选择最适合你的滴定方法SampleStirTitleReportCalculationCalculationDispenseEQP TitrationSampleEQP TitrationStirTitleCalculationReportCalculationCalculationSampleStirTitleCalculationReportCalculationCalculationEP TitrationSampleStirTitleReportCalculationCalculationDispenseEQP TitrationSampleStirTitleReportCalculationMeasureCalibrationSampleStirTitleReportCalculationpH-statCalculationSampleStirTitleReportCalculationMeasureCalculationMETTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202422全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training2222若需要建立若需要建立特殊或特殊或更复杂的应用方法更复杂的应用方法METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202423全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training2323DL58/DL70ES/DL77DL58/DL70ES/DL77的灵活方法结构概念的灵活方法结构概念可满足您的需要可满足您的需要 ！！METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202424全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training2424SampleEQP TitrationStirTitleCalculationReportCalculationCalculation• 标准方法的结构 滴定步骤METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202425全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training2525• 理解每个菜单的含义理解每个菜单的含义 SampleStirTitleCalculationEQP TitrationMETTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202426全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training2626• 理解滴定菜单中的每个控制参数理解滴定菜单中的每个控制参数EQP TitrationMETTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202427全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training2727– 菜单– 控制参数– 用户可自行定义• 滴定方法的打印输出格式滴定方法的打印输出格式METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202428全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training2828不知如何是好，怎么办？不知如何是好，怎么办？ 没关系 有学习滴定功能帮忙 进行一次整个滴定管体积的滴定剂滴定.注意：取样量 就可以得到一份打印出的 EQP titration 菜单的合适参数. METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202429全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training2929滴定方法的控制参数滴定方法的控制参数Control Parametersof MethodMETTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202430全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training3030 EQP TitrationTitrant AdditionMeasure modeRecognitionTerminationEvaluationControl parametersMETTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202431全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training3131加入滴定剂加入滴定剂 如何将滴定剂加入滴定杯如何将滴定剂加入滴定杯动态法动态法( (DYN)DYN)增量法增量法( (INC)INC)测量方式测量方式 如何测量滴定剂加入后的电位如何测量滴定剂加入后的电位平衡法平衡法( (EQU)EQU)固定时间间隔法固定时间间隔法( (TFIX)TFIX)滴定控制参数滴定控制参数METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202432全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training3232全面的滴定控制参数全面的滴定控制参数+ 配合不同滴定的需要配合不同滴定的需要+ 帮助功能帮助功能（（Info））V [mL]E [mV,pH...]增量法滴定剂加入增量法滴定剂加入动态法滴定剂加入动态法滴定剂加入V [m L]E [mV,pH...]METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202433全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training3333动态动态(DYN)方式方式• 以反应过程为基础以反应过程为基础 的现代原理的现代原理• 所有所有梅特勒梅特勒-托利托利 多多DL系列滴定仪系列滴定仪 均能完成均能完成 • 类似手工滴定类似手工滴定V mL V (min) V (max) E(set) [mV] – E(set) [mV] – 设定需要变化的电位数值设定需要变化的电位数值 V(min) [V(min) [mLmL] – ] – 设定每次滴定剂的最小添加量设定每次滴定剂的最小添加量 V(max) [V(max) [mLmL] –] –设定每次滴定剂的最大添加量设定每次滴定剂的最大添加量帮助功能帮助功能(Help)METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202434全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training3434帮助帮助(Help)方法的参数设置方法的参数设置METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202435全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training3535Equivalent pointEquivalent pointE (E (mv)mv)V (V (mL)mL)动态动态(DYN)方式方式For example: 8 mVFor example: 8 mV8mV8mVMETTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202436全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training3636动态动态( (DYN)DYN)滴定剂加入方式的优点：滴定剂加入方式的优点：• 快速快速• 可靠性强可靠性强• 非常适合所有的酸非常适合所有的酸/ /碱滴定碱滴定• 非常适合氯化物非常适合氯化物/ /沉淀滴定沉淀滴定• 同样适合其他滴定同样适合其他滴定METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202437全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training3737V [mL]E [mV,pH...]增量增量( (INC)INC)方式方式• 传统理论，传统理论，不不以反以反 应过程为基础应过程为基础• 第一代全自动滴定第一代全自动滴定 仪采用仪采用• DLDL系列滴定仪亦能系列滴定仪亦能 运行运行 V• •   V [mL] -V [mL] -设定每次滴定剂的添加量设定每次滴定剂的添加量METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202438全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training3838Smaller increments: 0.05mLSmaller increments: 0.05mLVEEquivalentpointEquivalentpoint增量增量(INC)方式方式For example: 0.1 For example: 0.1 mLmLMETTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202439全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training3939增量增量( (INC)INC)滴定剂加入方式的优点滴定剂加入方式的优点: :• 适合曲线形状明显而适合曲线形状明显而/ /或陡的滴定或陡的滴定• 非常适合多种氧化非常适合多种氧化- -还原反应还原反应• 非常适合光度滴定非常适合光度滴定METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202440全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training4040•以反应率和电极响以反应率和电极响 应时间为基础的应时间为基础的 现代原理现代原理• 待反应已完成后待反应已完成后 进行下一次馈送进行下一次馈送EQUEQU平衡测量方式平衡测量方式   E [mV]E [mV] – – 电位变化值电位变化值电位变化值电位变化值   t [s]t [s] – – 时间间隔时间间隔时间间隔时间间隔平衡条件平衡条件平衡条件平衡条件：：   E [mV] / E [mV] /    t t [s][s]tmintmin ：：最早测量时间最早测量时间最早测量时间最早测量时间tmax tmax ：：最长等待时间最长等待时间最长等待时间最长等待时间METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202441全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training4141MVMVMVMVEtEQU平衡测量方式平衡测量方式Data acquisition Data acquisition if the potential if the potential change is smaller change is smaller 0.5 mV/s.0.5 mV/s.METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202442全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training4242• 确保最佳速度确保最佳速度• 避免过量加入滴定剂造成不必要的浪费避免过量加入滴定剂造成不必要的浪费• 非常适合大多数滴定非常适合大多数滴定平衡平衡( (EQU)EQU)测量方式的优点测量方式的优点 : :METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202443全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training4343TFIX TFIX 设定固定时间间隔的测量方式设定固定时间间隔的测量方式• 不根据反应和不根据反应和 电极读取信号电极读取信号 • 加速缓慢的滴定加速缓慢的滴定 t [s] ：：测量的间隔测量的间隔METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202444全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training4444EtMVMVMVMVdt1 = 3 s dt2 = 3 sdt3 = 3 sTFIX TFIX 设定固定时间间隔的测量方式设定固定时间间隔的测量方式for example 3 seconds.for example 3 seconds.METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202445全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training4545• 非常适合电极信号不稳定的情况非常适合电极信号不稳定的情况 • 非常适合非水滴定非常适合非水滴定• 非常适合碘量法滴定非常适合碘量法滴定• 非常适合重氮滴定非常适合重氮滴定固定时间间隔固定时间间隔( (TFIX)TFIX)测量方式的优点测量方式的优点 : :METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202446全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training4646滴定剂加入方式滴定剂加入方式测量方式测量方式动态法动态法( (DYN)DYN)平衡法平衡法( (EQU)EQU)增量法增量法( (INC)INC)固定时间间隔固定时间间隔( (TFIX)TFIX)梅特勒梅特勒- -托利多滴定仪优势所在托利多滴定仪优势所在能实现最佳滴定控制必需的所有组合能实现最佳滴定控制必需的所有组合METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202447全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training4747问题及解决方案问题及解决方案METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202448全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training4848METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202449全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training4949控制参数控制参数 / / 滴定剂添加方式滴定剂添加方式 现象现象 原因原因 解决方案解决方案动态法动态法 DYN DYN 曲线过于平坦曲线过于平坦 最大加入量最大加入量 最大加入量最大加入量每次加入滴定剂后，信号的变每次加入滴定剂后，信号的变 ΔE E（（设定值）设定值） 太小太小 增加增加化量约等于化量约等于 Δ E E（（设定值）设定值） 没有达到没有达到一阶导数值：平稳的增加至最大一阶导数值：平稳的增加至最大 曲线过于陡峭曲线过于陡峭 最小加入量最小加入量 最小加入量最小加入量值后，再平稳的减小值后，再平稳的减小 ΔE E（（设定值）设定值） 太大太大 减小减小 超过超过METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202450全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training5050控制参数控制参数 / / 滴定剂滴定剂 现象现象 原因原因 解决方案解决方案 添加方式添加方式连续法连续法 由于过度滴定导致由于过度滴定导致 控制波段太小控制波段太小 增大控制波段增大控制波段 的准确性差的准确性差 过长的滴定的时间过长的滴定的时间 最小加入量小最小加入量小 增加最小加入量增加最小加入量 或控制波段太大或控制波段太大 或减小控制波段或减小控制波段METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202451全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training5151控制参数控制参数 /测测 现象现象 原因原因 解决方案解决方案量值获得方式量值获得方式平衡控制平衡控制EQU 偏高或偏低的结果偏高或偏低的结果 滴定速度过快，滴定速度过快， 减小减小 Δ E/Δ t值值 基于以下原因：基于以下原因： 增加增加tmax 1)设置的设置的漂移漂移 连接图表连接图表 太大，或太大，或记录仪的记录信号记录仪的记录信号 2））tmax太低太低对时间的曲线。

每对时间的曲线每 信号的变化值及信号的变化值及 在添加下一个滴定在添加下一个滴定 减小减小 ΔE/ Δt值值次加入滴定剂后，次加入滴定剂后， 滴定剂增量值始终滴定剂增量值始终 前尚未达到平衡前尚未达到平衡 或增加或增加tmax电位发生突跃，由电位发生突跃，由 波动波动. 缓慢返回至初始值，缓慢返回至初始值，并且在加入下一次并且在加入下一次 在很小的信号变在很小的信号变 tmin太短太短 增加增加tmin滴定剂前，曲线应滴定剂前，曲线应 化下，连续加入化下，连续加入逐渐走平逐渐走平 并在某次加入后，并在某次加入后， 突然出现最大的突然出现最大的 信号变化信号变化METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202452全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training5252终止参数（终止参数（Terminal Parameter））EQP 1EQP 150mV50mV20 mV/mL20 mV/mL10mL10mLV [mL]E [mV]at maximum volume (mL):at maximum volume (mL): 10mL 10mLat potential: 50 mVat potential: 50 mVat slope: 20 mV/mLat slope: 20 mV/mLafter number EQPs: 1after number EQPs: 1comb. termination condition: yescomb. termination condition: yesMETTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202453全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training5353 自动滴定结果评估自动滴定结果评估Results Evaluationof MethodMETTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202454全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training5454等当点等当点( (EQP)EQP)滴定滴定现代方法现代方法终点终点( (EP)EP)滴定滴定传统方法传统方法两种滴定方法两种滴定方法E [mV]V [mL]VEQMETTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202455全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training5555终点终点( (EP)EP)滴定滴定 - - 在所选的电位值停止在所选的电位值停止 - - 按照习惯进行按照习惯进行绝对终点值绝对终点值( (EPA)EPA)相对终点值相对终点值( (EPR)EPR)EPAEVEPREVMETTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202456全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training5656等当点等当点( (EQP)EQP)滴定滴定- - 当样品中已加入了等当量的滴定剂时停止当样品中已加入了等当量的滴定剂时停止- - 遵循化学反应过程遵循化学反应过程- - 求求“转折点转折点”的值的值METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202457全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training5757E [mV]V [mL]dE/dV V [mL]VEQ等当点等当点( (EQP)EQP)滴定滴定 曲线呈曲线呈S S形形标准型标准型Standard Evaluation转折点为拐点转折点为拐点即一阶导数的最大值即一阶导数的最大值●●●●●METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202458全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training5858等当点等当点( (EQP)EQP)滴定滴定 不对称曲线不对称曲线不对称型不对称型Asymmetric Evaluation转折点为更接近小圆转折点为更接近小圆弧的拐点弧的拐点E [mV]V [mL]VEQExample:Complexometric titrationsMETTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202459全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training5959等当点等当点( (EQP)EQP)滴定滴定 折线折线折线型折线型 Segmented Evaluation转折点为曲线的转转折点为曲线的转势点势点Example:Example:Conductometric titrationsConductometric titrationsAmperometric titrationsAmperometric titrationsMETTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202460全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training6060等当点等当点( (EQP)EQP)滴定滴定 最小值或最大值最小值或最大值最小或最大值型Minimum / Maximum转折点为电位的最小值或最大值E [mV]V [mL]VEQ●●●●●Example:Example:Turbidimetric titrationsTurbidimetric titrations with withphotometric indication.photometric indication.METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202461全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training6161 Buffer PotentialFor Titration curves without EQP. ProcedureProcedureConsumption to the buffer Consumption to the buffer potential.potential. Example:Example:p & m valuep & m value TAN / TBNTAN / TBNE [mV]V [mL]Buffer ABuffer BX mLY mLMETTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202462全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training6262结果评估结果评估应应 用用终点终点( (EP)EP)滴定滴定遵循传统方法遵循传统方法特殊滴定特殊滴定例如：例如：终点绝对值终点绝对值酸酸/ /碱滴定至某一碱滴定至某一pHpH值值EPAEPA终点相对值终点相对值光度指示光度指示( (如络合测定如络合测定) )EPREPRMETTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202463全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training6363结果评估结果评估 应应 用用等当点等当点( (EQP)EQP)滴定滴定 通用方法，适合所有滴定通用方法，适合所有滴定例如：标准型 酸/碱,沉淀,氧化-还原滴定不对称型 氧化-还原、络合滴定最小值型 浊度测定（表面活性剂）折线型 电导测定METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202464全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training6464类类 型型 内内 容容 适用情况适用情况 优优 点点结果评估的应用结果评估的应用METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202465全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training6565• 4 4 种判别模式种判别模式:– 阈值 (一阶导数值 dE/dV)– 最陡峭突跃– 电位范围– 趋势标准型结果评估的方式标准型结果评估的方式METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202466全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training6666• Threshold（阈（阈值）值）– 过滤一些小的杂峰或 噪音峰E (mV)V (ml)EQPE/ V (mV/ml)V ml1阶导数值阈值Threshold●●●●●METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202467全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training6767• Steepest （最（最陡峭峰）陡峭峰）– 避免其他较小的杂峰的干扰E/ V (mV/ml)V ml1阶导数值阈值最陡峭峰METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202468全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training6868• Range （范围）（范围）–可以设置等当点所出现的电位的范围注意：E1与E2的顺序V (ml)E (mV)E2E1METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202469全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training6969Tendency（趋势）设定等当点附近滴定曲线的方向注意：纵坐标的单位。

pH与mV等当点非等当点趋势E (mV)V (ml)METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202470全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training7070终点终点( (EP)EP)等当点等当点( (EQP)EQP)标准型标准型EPREPR折线型折线型梅特勒梅特勒- -托利多滴定仪的优势所在托利多滴定仪的优势所在能提供最佳结果评估所需的所有步骤能提供最佳结果评估所需的所有步骤不对称型不对称型最小值型最小值型最大值型最大值型 EPAEPAMETTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202471全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training7171EPEP滴定的终点标定判断滴定的终点标定判断METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202472全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training7272z: the ratio of the substances that react in a chemical reactionz: the ratio of the substances that react in a chemical reaction1 MnO1 MnO4 4- - + 5 Fe + 5 Fe2+2+ + 8 H + 8 H+ + →→ MnMn2+2+ + 5 Fe + 5 Fe3+3+ + 4 H + 4 H2 2OO• •TitrantTitrant：：KMnOKMnO4 4 : : M = 158.04 M = 158.04 z = 1z = 1/ /5 (5 (应输入应输入1 1，，z z >=1) )• •TitrantTitrant：： Fe Fe2+2+ : :M = 55.85M = 55.85 z = 5z = 5METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202473全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training7373METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202474全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training7474n>=11 MnO4-+5 Fe2+ → Mn2++5 Fe3+Titrant: MnO4- & Fe2 ; n=1METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202475全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training7575METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202476全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training7676注意单位METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202477全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training7777注意测试时注意测试时注意测试时注意测试时样品的顺序样品的顺序样品的顺序样品的顺序注意单位的统一METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202478全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training7878滴滴定定应应用用METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202479全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training7979其他注意事项其他注意事项滴定剂及电极需事先定义过并具备有效期滴定剂及电极需事先定义过并具备有效期METTLER TOLEDOMETTLER TOLEDOANA Product Application Support ANA Product Application Support 30 August 202430 August 202480全自动电位滴定仪全自动电位滴定仪TitratorTitratorKF TitratorKF TitratorDE/REDE/REFPFPSTARSTARe e2003 2003 Customer TrainingCustomer Training8080帮助帮助计算公式提示计算公式提示计算常数计算常数结果单位结果单位。