Карбонат натрия
Item Index
Concentrated sulfuric acid Fuming sulfuric acid
Sulphuric acid(H2SO4)% ≥ 92.5or98.0 -
Free sulfur trioxide(SO4)% ≥ - 20.0or25.0
Ash % ≤ 0.02 0.02
Iron(Fe)% ≤ 0.005 0.005
Arsenic(As)% ≤ 0.0001 0.0001
Mercury(Hg)% ≤ 0.001 -
Lead(pa)% ≤ 0.005 0.005
Transparency ≤ 80 -
Transparency mL ≤ 2 -
Packing: 850 liters, 1000 liters plastic bucket.
Другие товары поставщика
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Сульфид натрия |
Class 1 Class 2 Class 3
Test items Superior grade A first-rate product Acceptable product A first-rate product Acceptable product
Sodium Sulphid... |
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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 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... |
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Сульфат аммония |
Test items Index
Exterior White crystalline
Nitrogen % ≥ 21
Water (H2O) % ≤ 0.2
free carbonic acid (H2SO4)% ≤ 0.03
Iron (Fe) % ≤ 0... |
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Калия бихромат |
Item Index
Potassium dichromate (K2Cr2o7) % ≥ 99.7
Chlorides (Cl)% ≤ 0.05
Insoluble ≤ 0.02
Sulfates ( SO4-2) % ≤ 0.02
Na+ % ≤ 0... |
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