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氢氧化钠标准溶液浓度的不确定度主要由标定时消耗体积的读数误差产生。It showed by the results that the uncertainty was mainly caused by the titrant volume.

用0.1M标准NaOH溶液滴定剂，滴定到溶液由红色变为橙色。Use 0.1M standard NaOH solution titrant to titrate the solution from red colour to orange.

Other words in sentence

所用滴定剂为十六烷基三甲基溴化铵，指示电极为氟硼酸根离子选择电极。Cetyltrimethylammonium bromide is used as a titrant and a fluoroborate ion-selective electrode as an indicator electrode.

以氢氧化钠为滴定液，一阶导数法确定终点，并与标准方法进行了比较。Standard sodium hydroxide solution was used as titrant. End point of titration was determined by the 1st derivative of titration curve.

以氟离子溶液作滴定剂，氟离子选择性电极作指示电极，在氟-铝反应没有达到平衡条件下通过恒电位配位滴定法同时测定了铁和铝。In this determination, the fluoride ion solution was taken as titrant and the fluoride ion selective electrode was taken as indicating electrode.

本文提出于一份试液中，用两种指示剂、一种标准溶液连续滴定钛、铁的新方法。A new method has been developed for successive titrations of Ti and Fe in a single aliquot of sample solution by one titrant using two Indicators.

在该方法中，用EDTA与氟化钠的混合溶液作为滴定剂，在滴定液中同时插入汞膜电极和氟离子指示电极。The titrant is a mixture of EDTA and sodium fluoride, both mercury film electrode and fluorinion indicating electrode are inserted in the titration solution.

Other words in sentence

无需标准溶液的滴定计算分析能同时求出滴定剂与被测物质浓度。The calculating analysis of titration without standard solution is a method that can be used to determine the concentration of substance titrated and titrant at the same time.

在该方法中，用硝酸银和氟化钠的混合溶液作为滴定剂，在滴定液中同时插入氟离子指示电极和银离子指示电极。The titrant is a mixture of silver nitrate and sodium fluoride, both fluorinion indicating electrode and silver ion indicating electrode are inserted in the titration solution.

本文从反应原理、制备“似不溶固体物”和装置及其操作技巧等方面进行研究，而达到实验室可控制气。This paper discusses the reaction principle and titrimetric operation in defining consistency of potassium permanganate titrant which sodium oxalate is regarded as the basis material.

分析了以草酸钠为基准物标定高锰酸钾标准溶液浓度的反应原理，标定操作及温度、酸度、滴定速度等滴定条件对标定结果的影响。This paper discusses the reaction principle and titrimetric operation in defining consistency of potassium permanganate titrant which sodium oxalate is regarded as the basis material.