Diethyl fumarate was synthesized with fumaric and alcohol as raw materials and sodiumacidsulfate as catalyst.
以富马酸和乙醇为原料，硫酸氢钠作催化剂合成富马酸二乙酯。
2
Methylmercury was extracted from the homogenized tissue with toluene in the presence of copper sulfate, sodium bromide and sulfuric acid.
在存在硫酸铜、溴化钠和硫酸的情况下，用甲基从组织匀浆中萃取甲基汞。
3
Mixed dibasic acid dimethyl ester was synthesized from methanol and mixed dibasic acid, the byproduct of adipic acid, using sodiumsulfate monohydrate as catalyst.