(GB/T 2449-2006) Technical indicators of industrial sulfur
First-class product Qualified product
The mass fraction of sulfur (S) ≥99.95%; ≥99.5%; ≥99.0%
Moisture (solid sulfur); ≤2.00%; ≤2.00%; ≤2.00%
Moisture (liquid sulfur); ≤0.10%; ≤0.50%; ≤1.00%
GB/T 2449-2006
GB/T 2449-2006
Acidity (calculated as H2SO4) ≤0.003%; ≤0.005%; ≤0.02%
The mass fraction of ash content ≤0.03%; ≤0.10%; ≤0.20%
The mass fraction of organic matter; ≤0.03%; ≤0.30%; ≤0.80%
The mass fraction of arsenic (As); ≤0.0001% ≤0.01%; ≤0.05%
The mass fraction of iron (Fe); ≤0.003%; ≤0.005%; ——
Residue on sieve (particle size greater than 150μm) 0 0 ；≤3.00%
Residue on sieve (particle size greater than 150μm) ≤0.50% 1.0% 4.0%
Note: The sieve residue index is only for powdered sulfur.