|
![]() |
中性胶制造专用硫酸铝
无铁规格:
合格品: Al2O3 ≥ 16.00% Fe ≤0.01%
水不溶物 ≤0.20% pH(1%水溶液)≥3.0
砷 ≤0.0005% 重金属(以Pb计)≤0.002%
一等品: Al2O3 ≥ 17.00% Fe ≤0.005%
水不溶物 ≤0.10% pH(1%水溶液)≥3.0
砷 ≤0.0005% 重金属(以Pb计)≤0.002%
低铁规格:
合格品: Al2O3 ≥15.60% Fe ≤0.70%
水不溶物 ≤0.15% pH(1%水溶液)≥3.0
砷 ≤0.0005% 重金属(以Pb计)≤0.002%
一等品: Al2O3 ≥ 15.80% Fe ≤0.50%
水不溶物 ≤0.10% pH(1%水溶液)≥3.0
砷 ≤0.0005% 重金属(以Pb计)≤0.002%