109424 Zinc oxide |
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ZnO |
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CAS-No.1314-13-2 EC-No.215-222-5 HS-No.28170010 |
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M=81.37g/mol Spec.density 5.4g/cm3 (20°C) |
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Melting point 1907°C |
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Zinc oxide AR |
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Specification HG/T 2890-1997 |
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Assay(ZnO) |
>=99.0% |
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Clarity of solution |
pass |
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Insoluble matter in dilute sulfuric acid |
<=0.01% |
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Free alkali |
pass |
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Chloride(Cl) |
<=0.001% |
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Sulfide(as SO4) |
<=0.01% |
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Nitrate(NO3) |
<=0.003% |
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Manganese(Mn) |
<=0.0005% |
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Iron(Fe) |
<=0.0005% |
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Arsenic(As) |
<=0.00005% |
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Lead(Pb) |
<=0.005% |
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Substance reducing potassium permanganate(as O) |
<=0.002% |
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Substance not deposit in ammonium sulfide(as SO4) |
<=0.10% |
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Ord.No. |
Packaging |
Quantity |
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1.09424.040 |
Plastic bottle |
500g |
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Zinc oxide CP |
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Specification HG/T 2890-1997 |
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Assay(ZnO) |
>=99.0% |
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Clarity of solution |
pass |
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Insoluble matter in dilute sulfuric acid |
<=0.02% |
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Free alkali |
pass |
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Chloride(Cl) |
<=0.005% |
||
Sulfide(as SO4) |
<=0.02% |
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Nitrate(NO3) |
<=0.005% |
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Manganese(Mn) |
<=0.001% |
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Iron(Fe) |
<=0.0025% |
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Arsenic(As) |
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