摘要
将橡子中单宁浸出,用铜氨溶液沉淀,再用重铬酸钾氧化,过量的重铬酸钾用标准硫酸亚铁铵返滴定。计算单宁含量.
This paper discribed the method that the tannin in acom is take out in solution, the tannin is sank into by cuproammmonium solution, and then Oxidized with bichrome, over-amounted bichrome is revert -driped with standard ammonium ferrous sulfat. The contents of tannin were calclated.
出处
《化学工程师》
CAS
1996年第1期17-19,共3页
Chemical Engineer