亚洲国产天堂久久九九九,日本高免费观看在线播放,中文字幕精品在线观看,中文字幕亚洲精品第1页,精品欧美一区视频在线观看,激情影院a,五月激情综合丁香色婷婷

Sulphuric Acid

Molecular formula: H₂SO₄; It is colorless oily liquid with no smell; high boiling point; easily soluble in water.
It is basic chemical product and widely used in many chemical fields and other aspects.
Currently, it is divided into industry grade, chemical purity CP, analytically pure AR and MOS grade.

[ Back ]