用乙酸的乙醇溶液滴定溶液的碱浓度。
Titrate the mixed solution with ethanol solution of acetic acid.
以百里酚兰为指示剂,用氢氧化钠标准滴定溶液测定植物油中游离脂肪酸。
To determine the free fatty ac id in vegetable oil with NaOH's standard titration solution, using Thymol Blue as its indicator.
在最初的滴定溶液里,已知的是卡尔费休试剂,二氧化硫和碘溶解在吡啶和甲醇中。
In the original titrimetric solution, known as Karl Fischer Reagent, the sulfur dioxide and iodine are dissolved in pyridine and methanol.
[方法]以百里酚兰为指示剂,用氢氧化钠标准滴定溶液测定植物油中游离脂肪酸。
[Methods] to determine the free fatty ac id in vegetable oil with NaOH's standard titration solution, using Thymol Blue as its indicator.
标准滴定溶液的标定是其浓度的量值溯源,GB/T 601–2002[1]通过规定工作基准试剂摩尔质量的有效数字,减少因数字修约而引入的不确定度。
Abstract It was commented on significant figures of mole mass of Zinc Oxide and relative atomic weight in calibrating for EDTA standard volumetric solution in GB/T 601–2002.
当滴定终点到来时,所有的未知溶液全都完成了化学反应,溶液的颜色就会发生变化。
When the tipping point comes, and all of the unknown reagent has reacted, the solution changes colour.
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.
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.
以PAN为指示剂用硫酸铜标准溶液滴定过量的EDTA标准溶液,从而求得镍的含量。
The excessive EDTA standard solution was titrated using copper sulfate with PAN as indicator so as to obtain nickel content.
本文从原理和应用两个方面,讨论了配位滴定中选择和控制溶液酸度的重要性和复杂性。
In this paper, the importance and complexity of the selection and control of the solution acidity in coordination titration was discussed through the principle and the application.
用EDTA标准溶液滴定,可测得氧化钇的含量。
We can measure the contents of yttrium with EDTA standard solution titration.
使用同一注射器,从容器中移取溶液转移至按规程准备的滴定容器中。
Using the same syringe, remove the solution from the container and transfer it to a titration vessel prepared as directed for Procedure.
可从第一次出现在正在被滴定的溶液中的稳定的微红色来鉴别等当点。
The equivalence point is identified from the first faint pink color that persists in the solution being titrated.
用甲醇对油样中l -抗坏血酸棕榈酸酯进行提取,对提取物在酸性条件下水解,用水解产物对2,6 -二氯酚靛酚钠溶液进行滴定。
L-ascorbyl palmitate in the methanol extract is hydrolyzed under acid condition, and 2, 6-dichlorophenol indophenol sodium solution is titrated with the hydrolysate.
滴定剂一种用于滴定的,浓度已知的物质,如一种溶液。
A substance, such as a solution, of known concentration used in titration.
在磷酸盐缓冲溶液中加热蒸馏三聚氰胺废水样品,逸出的氨被吸收后通过酸碱滴定测定其含量。
The melamine wastewater sample is distillated in the phosphate buffer solution, the emitted ammonia is absorbed, and its content is determined by acid-alkali titration.
这里需要提醒那些在化学课上打瞌睡的人,滴定法是计算溶液中物质浓度的一种方法。
Titration, to remind those who dozed through their chemistry lessons, is a way of working out the concentration of a substance in a solution.
在KCI的底液中,用KOH标准溶液进行直接滴定。
It is titrated with standard solution KOH in KCI supporting electrolyte.
本文研究了硫酸钡在氨水溶液中与EDTA的反应条件,提出用EDTA滴定法测定三硝基间苯二酚中的硫酸。
This Paper studies the reaction conditions of the Barium Sulphate and EDTA in ammonia water solution and proposes to use EDTA titration to determine sulphuric acid in Trinitro-resorcinol.
目的:探讨两次加入滴定剂标准溶液的体积对酸碱双点电位滴定法准确度的影响。
Objective: Adding two titrant standard solution volumes affecting acid base double point potentiometric method accuracy are discussed.
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.
本文对浓中性盐存在时,用盐酸标准溶液直接滴定吡啶进行了研究。
The direct titration of pyridine with aqueous standard solution of hydrochloric acid in the presence of concentrated neutral salts have been studied.
蒸馏衩收集在酸性溶液中,再利用中和滴定进行测定。
The librated ammonium is distilled, collected in an acidic solution, and determined by a neutralization titration .
方法非水溶液滴定法。
介绍滴定分析和仪器分析对无机硫氧化合物水溶液的定量分离分析。
A quantitative analysis of inorganic sulfur-oxygen species in the aqueous solution was reviewed in terms of two methods, titration and chromatographic separation.
由于标准亚锡溶液不稳定,提出了用高锰酸钾滴定法标定标准亚锡溶液。
Known as the unstability of the stannous solution, potassium permanganate process was used to standardized it.
滴定是在水溶液中进行的,终点易于判定。
So the titration end could be easily identified, the procedure is not harmful to environments and operators.
方法采用氧瓶燃烧法,过氧化氢溶液为吸收液,用氢氧化钠滴定。
METHODS Oxygen flasr combustion method was used. Hydrogen peroxide solution was used as the absorption liquid and then was titrated by sodium hydroxide.
方法采用氧瓶燃烧法,过氧化氢溶液为吸收液,用氢氧化钠滴定。
METHODS Oxygen flasr combustion method was used. Hydrogen peroxide solution was used as the absorption liquid and then was titrated by sodium hydroxide.
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