barium sulphate 硫酸钡 ; 硫化钡 ; 硫酸钡化学品 ; 沉淀硫酸钡
Barium Sulphate Precipitated 沉淀硫酸钡 ; 硫酸钡 ; 硫酸钡沉淀 ; 沉淀
precipitated barium sulphate 沈淀硫酸钡
Barium sulphate test 硫酸钡试验
Barium Sulphate Precipi 沉淀硫酸钡
Barium Sulphate PrecipitatedCAS No 沉淀硫酸钡
barium sulphate method 硫酸钡重量法
Barium Sulphate Precipitate 沉淀硫酸钡
barium sulphate turbidimetry 硫酸钡比浊法
Testing the content of sulphate with EDTA titration method can directly influence its precision because whether the capacity of barium mixed liquid of magnesium is added suitably.
用EDTA滴定法检测硫酸盐，钡镁混合液的加入量是否适当，直接影响到检测的精确度。
The uses of barium sulphate precipitated, the specification of the original material, the principle of production, process control point, product quantity are introduced.
介绍了硫酸钡的用途、原材料规格、生产原理、工业生产中主要工艺控制点、 产品质量。
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.
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。
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