1. a colorless crystalline salt C6H5N(NO)ONH4 that is a precipitant for copper and iron from solutions and is used also in the analysis of other metals especially of the uranium group the ammonium salt of N-nitroso-N-phenyl-hydroxylamine
cupferron 例句
英汉例句
Determination of calcium and magnesium contents in the crystallizer scale by cupferron separation method