calcium permanganate

英

美

网络高锰酸钙

Determination of Calcium Oxide Content in Phosphate Rock and Concentrate by Potassium Permanganate Volumetric Method
高锰酸钾滴定法测定磷矿石和磷精矿中氧化钙含量
Determination of Calcium Content in Calcium Tablet with Potassium Permanganate Titration
高锰酸钾滴定法测定钙片中钙的含量
The pollutants include mainly the ions of chlorine, acid radical, calcium, magnesium, potassium permanganate index, chemical oxygen consumption, etc.
主要污染物有氯离子、硫酸根、钙、镁、高锰酸钾指数、化学耗氧量等。
Analyzing the content of calcium in feed-grade calcium hydrophosphate by using potassium permanganate
高锰酸钾法测定饲料级磷酸氢钙中钙的含量
METHODS By masking zinc(ⅱ) with EDTA, calcium ion was determinated with potassium permanganate method.
方法：以EDTA掩蔽Zn2+，间接高锰酸钾法测定钙的含量；
Determination of potent calcium from nitric acid phosphate fertilizer was studied by extracted with neutral ammonium citrate, precipitated with oxalic acid and titrated with potassium permanganate, with extraction rate of 88.3%~ 91.7%, standard deviation of 0.11 and recovery rate of 101.9%.
对经特殊工艺试制的硝酸磷肥中总钙进行测定。用中性柠檬酸铵提取、草酸沉淀、高锰酸钾滴定，提取率达88.3%～91.7%，测定值的标准偏差为0.11，回收率为98.4%～101.9%。