Sulphuric acid
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.
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Zinc phosphate |
Project Medicine raw material special-purpose Feed additive special-purpose Sweetening agent special-purpose Rubber special-purpose Paint special-p... |
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Thiourea |
Test items Index
Thiourea % ≥ 99
Heating Loss % ≤ 0.4
Ash % ≤ 0.1
Water insoluble matter % ≤ 0.02
Thiocyanate % ≤ 0.02
Melting... |
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Sulphuric acid |
Item Index
Concentrated sulfuric acid Fuming sulfuric acid
Sulphuric acid(H2SO4)% ≥ 92.5or98.0 -
Free sulfur trioxide(SO4)% ≥ - 20.0or25.... |
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Dimethylamine |
Appearance: colorless transparent liquid.
Dimethylamine ≥ 99.8%;
Monomethylamine ≤ 0.10%;
Trimethylamine ≤ 0.05%;
Ammonia ≤ 0.03%; |
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Arsenic trioxide |
Main content Other impurities
Arsenic trioxide Iron Lead Chlorine Chromium Cadmium Water
As2O3 Fe Pb Cl Cr Cd H2O
≥ ≤ ≤ ≤ ≤ ≤... |
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