Production in the rising trend, with ph dilute sulphuric acid adjust ph value and to fully mix, prevent local high acidity and cause brightener exhalation.
生产中pH朝上升趋势,用稀硫酸调pH值并要充分搅拌,防止局部酸度高而导致光亮剂析出。
Berberine hydrochloride was extracted from rhizoma Coptis with dilute sulphuric acid as solvent by the method of immersion.
以稀硫酸水溶液作溶剂,采用浸渍法从黄连中提取黄连素。
Microbiogen USES dilute sulphuric acid to break down another component of the plant cell wall: a complex polymer called hemicellulose, which binds cellulose microfibres together.