项目Item 分析纯 化学纯
(AR) (CP)
含量(C4H12O7Pb)Assay,% ≥99.5 98.0
钠(Na)Sodium,% ≤0.005 0.02
钾(K)Potassium,% ≤0.005 0.02
钙(Ca)Calcium,% ≤0.005 0.02
铁(Fe)Iron,% ≤0.001 0.002
铜(Cu)Copper,% ≤0.001 0.005
澄清度试验Clarity 合格 合格
水不溶物Insoluble matter in water,% ≤0.005 0.01
氯化物(Cl)Chloride,% ≤0.0005 0.002
总氮量(N)Total nitrogen,% ≤0.001 0.002
ISO/CD 6353-3-1993 R71
项目Item ISO
含量(C4H12O7Pb)Assay,% ≥99.5
铁(Fe)Iron,% ≤0.001
钾(K)Potassium,% ≤0.005
钠(Na)Sodium,% ≤0.005
氯化物(Cl)Chloride,% ≤0.0005
硝酸盐(NO3)Nitrate,% ≤0.002
钙(Ca)Calcium,% ≤0.002
铜(Cu)Copper,% ≤0.001
ACS级
项目名称Item ACS Grade
含量[(CH3COO)2Pb·3H2O]Assay 99.0-103.0%
铁(Fe)Iron(Fe) ≤0.001%
钾(K)Potassium(K) ≤0.005%
钠(Na)Sodium(Na) ≤0.01%
水不溶物Insoluble matter ≤0.01%
氯化物(Cl)Chloride(Cl) ≤5ppm
硝酸盐及亚硝酸盐(以NO3计)Nitrate and Nitrite ≤0.005%
钙(Ca)Calcium(Ca) ≤0.005%
铜(Cu)Copper(Cu) ≤0.002%
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