Пиросернистокислый натрий
Test items Refined High-purity grade Food-grade Industrial-grade
Sodium metabisulfite % ≥ 98.5 98 97.5 97.0
Iron Fe % ≤ 0.0005 0.001 0.0015 0.002
Water insoluble matter % ≤ 0.005 0.01 0.02
Arsenic As % ≤ 0.00005 0.0001 0.0001 0.0001
Definition Clarification Clarification Clarification
Lead Pb % ≤ 0.00005 0.0005 0.0002
NaCl % ≤ 0.012
pH value ≤ 4.0-4.6
Packaging: 25kg、50kg、1000kg Weaving.
Другие товары поставщика
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2,4-Толуилендиизоцианат |
Test items Index
Isocyanate ％ ≥99.0
Saponifiable chlorine ％ ≤0.01
Chlorine ％ ≤0.04
Crystallizing point℃ ％ 5.0-6.5
Chromaticity （Hazen... |
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Цинковый купорос |
zinc sulfate monohydrate Zinc sulfate heptahydrate
Molecular Formula: ZnSO4 .H2O Molecular Formula:ZnSO4 .7H2O
HG2934-2000 HG/T 2326-2005
CA... |
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фосфат цинка |
Project Medicine raw material special-purpose Feed additive special-purpose Sweetening agent special-purpose Rubber special-purpose Paint special-p... |
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Триоксид мышьяка |
Main content Other impurities
Arsenic trioxide Iron Lead Chlorine Chromium Cadmium Water
As2O3 Fe Pb Cl Cr Cd H2O
≥ ≤ ≤ ≤ ≤ &l... |
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Метиленхлористый |
Test items Index
Methylene Chloride % ≥99.95
Water % ≤0.01
Acid (HCl) % ≤0.0004
Chromaticity Hazen Unit（Pt-Co Color） ≤10
Residue a... |
Все товары поставщика
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