Калия бихромат
Item Index
Potassium dichromate （K2Cr2o7） % ≥ 99.7
Chlorides (Cl)% ≤ 0.05
Insoluble ≤ 0.02
Sulfates ( SO4-2) % ≤ 0.02
Na+ % ≤ 0.03
Moisture % ≤ 0.5
Package: 50kg plastic woven bag with plastic bag inner
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Карбонат натрия | Item Index Concentrated sulfuric acid Fuming sulfuric acid Sulphuric acid(H2SO4)％ ≥ 92.5or98.0 - Free sulfur trioxide(SO4)％ ≥ - 20.0or25.... |
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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 (N... |
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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 ≥ ≤ ≤ ≤ ≤ ≤... |
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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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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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