2) Barium chromate
铬酸钡
1.
Result:Barium chromate volumetric procedure is better than general adoptive barium chromate volumetric procedure,barium sulfate weight method and quick barium chr.
目的 :采用EDTA配位滴定法准确快速测硫酸钡纯度并与常用的铬酸钡容量法进行对照。
2.
At the same time,it is found that the water-soluble content in the barium chromate has an effect on the composition s moisture absorption.
同时发现铬酸钡的水溶物的含量对药剂抗吸湿能力有影响。
3.
This article describes the use of the capacity of the determination of sulfate content in nitrate salt approach principle,try to choose the quality of the sample,hydrochloric acid and barium chromate and other reagents to choose the amount of testing,the sample returns-ratio,the method of precision and accuracy test contest.
进行了盐酸、铬酸钡等各种试剂用量的选择试验和样品回收率、实验方法精密度和准确度等方面的实验,结果表明,该方法稳定性和重复性好,测试结果准确可靠。
3) barium potassium chromate
铬酸钡钾
4) barium bichromate
重铬酸钡
5) barium chromate solution
铬酸钡溶液
6) Barium Chromate Spectrophotometer
铬酸钡光度法
1.
In this study,the organic sulfur compound is decomposed in a oxygen flask;organic sulfur is turned into sulfate sulfur,and then the measure of sulfate is determined by Barium Chromate Spectrophotometer.
本文用氧弹燃烧法将煤中有机硫氧化成二氧化硫和三氧化硫,再将其转化成硫酸盐硫,建立铬酸钡光度法测定硫酸根的方法,从而间接得到有机硫的含量。
补充资料：酸性
1.化合物在溶液中能放出氢离子，有酸味，能使石蕊试纸变红，这种性质叫做酸性。具有这种性质的物质叫做酸性物质。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条