GJB 8682.21-2015 Methods of chemical analysis of pyrotechnics Part 21: Determination of ammonium chloride and ammonium perchlorate content Formaldehyde method (English Version)
Military Standard of the People's Republic of China-General Armament Department
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2015GJB 8682.21-2015 Methods of chemical analysis of pyrotechnics Part 21: Determination of ammonium chloride and ammonium perchlorate content Formaldehyde method