The Cr(Ⅵ) content in chrome tanning agents was determined by the method of alkaline digestion,which could effectively restrain the oxidation and reduction between Cr(Ⅲ)and Cr(Ⅵ).
采用碱式消解法测定铬鞣剂中的Cr(Ⅵ)含量。
Alkaline PAC and PAM were used to treat ADC Vesicant Wastewater, the acidity, alkaline PAC usage, stirring time, PAM usage and temperature's were inspected to the influence of CODCr removal.
研究用碱式PAC和PAM处理发泡剂废水,考察了酸度、碱式PAC的用量、搅拌时间、PAM的用量、温度对CODCr去除的影响。
By using IR,NMR and MS,we get the fine chemical structure of purified liquid zinc OO′-di(2-ethylhexyl-)dithiophosphates basic double salts,and the cracking mechanism discussed.
通过使用IR,NMR和M S,得到了精制液体OO′-二(2-乙基已基)二硫代磷酸锌碱式双盐的精细化学结构,并讨论了裂解机制。