硝酸镁干法灰化
magnesium nitrate dry cineration
灰化消解
Ashing digestion of sample
快速密闭催化消解法
fast confined catalytic digestion-spectrophotometer
密封催化消解法
catalysis-digestion-sealed method
干灰化制样
Dry ashing prepairation of samples
铝电解干法净化
dry purification in aluminum electrolysis
低温灰化法
Low-temperature ashing treatment