Сульфат натрия безводный
Test items Food-grade High-purity grade Industrial-grade
Sodium sulfite (Na2SO3) % ≥ 97 98 97
Iron Fe % ≤ 0.001 0.001 0.003
Free Alkali (Na2CO3) % ≤ 0.4 0.05 0.1
Lead Pb % ≤ 0.0005 0.0001 --
Arsenic As % ≤ 0.0002 0.0001 --
Definition Clarification Clarification --
Water insoluble matter % ≤ -- -- 0.02
Sulfate (Na2SO4 ) % ≤ -- -- 2.5
Chloride (NaCl) % ≤ -- -- 0.1
Packaging: 25kg、50kg、1000kg Weaving.
Другие товары поставщика
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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... |
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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... |
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Сульфат натрия безводный |
Test items Food-grade High-purity grade Industrial-grade
Sodium sulfite (Na2SO3) % ≥ 97 98 97
Iron Fe % ≤ 0.001 0.001 0.003
Free Alkali (... |
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Соляная кислота |
Item Index
Total acidity(HCI) ≥ 31.0
Iron(Fe) ≤ 0.002
Residue on ignition % ≤ 0.05
Free chlorine(CI)% ≤ 0.004
Arsenic(As)% ≤ 0.... |
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Сульфат меди |
Test items Superior grade Feed-grade
Cupric sulfate(CuSO4.5H2O) % ≥ 98 98.5
Acidity (H2SO4) % ≤ 0.2 0.2
Water insoluble matter % ≤ 0.2 ... |
Все товары поставщика
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