1·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。
2·The experimental results indicate that polyepoxysuccinic acid has excellent scale inhibiting performance to barium sulphate and strontium sulphate.
结果表明，聚环氧琥珀酸对硫酸钡、 硫酸锶具有较好的阻垢性能。
3·Wedgwood experimented with barium sulphate (caulk), and from it produced jasper, in 1773.
1773年，韦奇伍德用硫酸钡(石灰岩)作实验，并从中得到了碧玉。