Determination of sio2 in alundum powder by colorimetry 刚玉粉中二氧化硅的比色测定法
Determination of tio2 in alundum powder by colorimetry 刚玉粉中二氧化钛的比色测定法
Animal and vegetable fats and oils - determination of phosphorus content - colorimetric method 动植物脂肪和油.磷含量测定.比色测定法
The current test method of heavy metals in edible alcohol is adopted colorimetric method using hydrogen sulphide saturated solution as colorific agent , this method is toxic , disagreeable odour , contaminated , overlaborated and time expended 摘要食用酒精重金属检验方法目前是采用饱和硫化氢溶液作显色剂的比色测定法,该法毒性大、气味难闻、污染严重、繁琐、耗时。