Applicable to ammonia solutions of concentrations within the range 25% to 35%, by mass, and with a residue after heating of not less than 3 mg/kg.
BS 4651-4-1988由英国标准学会 GB-BSI 发布于 1988-08-31,并于 1988-08-31 实施。
BS 4651-4-1988 在中国标准分类中归属于: G13 氧化物、单质,在国际标准分类中归属于: 71.060.40 碱。
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