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Specification | GB25579-2010 | FCC VII | ||
Content,w/% | ZnSO4·H2O | 99.0-100.5 | 98.0-100.5 | |
ZnSO4·7H2O | 99.0-108.7 | 99.0-108.7 | ||
Arsenic(As),w/% ≤ | 0.0003 | ———— | ||
Alkalis and Alkaline Earths,w/% ≤ | 0.50 | 0.50 | ||
Acidity, | Pass Test | Pass Test | ||
Selenium(Se),w/% ≤ | 0.003 | 0.003 | ||
Mercury(Hg),w/% ≤ | 0.0001 | 0.0005 | ||
Lead(Pb),w/% ≤ | 0.0004 | 0.0004 | ||
Cadmium(Cd), w/% ≤ | 0.0002 | 0.0002 | ||










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