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項目Item 分析純 化學(xué)純
(AR) (CP)
含量(CH3CONH2)Assay,% ≥ 98.5 98.0
凝固點Solidifying point℃ ≥ 77.0 76.0
水不溶物lnsoluble matter in water,% ≤ 0.02 0.03
游離酸(以CH3COOH計)Free acids,% ≤ 0.2 0.5
灼燒殘渣(以硫酸鹽計)Residue,% ≤ 0.01 0.03
氯化物(Cl)Chloride,% ≤ 0.002 0.005
硫酸鹽(SO4)Sulfate,% ≤ 0.002 0.005
乙酸鹽(CH3COO)Acetate,% ≤ 0.2 0.5
重金屬(以Pb計)Heavy metals,% ≤ 0.001 0.002
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