类别Index 国际StateGB/T6009-2003Ⅰ类一等品One sort one class 内控指标Self-controllnollndex 普通元明粉Seneral SSA 中性元明粉Neutral SSA 硫酸钠Sodium sulphate(%) ≥99.0 ≥99.05 ≥99.4 水不溶物Water-indissoluble matter(%) ≤0.05 ≤0.05 ≤0.02 铁Fe(%) ≤0.002 ≤0.0002 ≤0.0003 钙镁(以Mg计)Calcium Magnesium(count mg)(%) ≤0.15 ≤0.023 ≤0.018 氯化物(以氯计)Chloride(countCI)(%) ≤0.35 ≤0.30 ≤0.20 水份Water(%) ≤0.20 ≤0.03 ≤0.03 白度Whiteness(%) ≥82 ≥88 ≥83 PH 6~8
类别Index
国际StateGB/T6009-2003Ⅰ类一等品One sort one class
内控指标Self-controllnollndex
普通元明粉Seneral SSA
中性元明粉Neutral SSA
硫酸钠Sodium sulphate(%)
≥99.0
≥99.05
≥99.4
水不溶物Water-indissoluble matter(%)
≤0.05
≤0.02
铁Fe(%)
≤0.002
≤0.0002
≤0.0003
钙镁(以Mg计)Calcium Magnesium(count mg)(%)
≤0.15
≤0.023
≤0.018
氯化物(以氯计)Chloride(countCI)(%)
≤0.35
≤0.30
≤0.20
水份Water(%)
≤0.03
白度Whiteness(%)
≥82
≥88
≥83
PH
6~8