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高濃度硫酸

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Technical requirements for industrial grade sulfuric acid products

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Technical requirements for industrial grade sulfuric acid products

Date:2017-04-07 Author:盛?;?/span> Click:

Technical requirements for industrial grade sulfuric acid products:


Industrial sulfuric acid should meet the following requirements


Project indicators


Special sulfuric acid, concentrated sulfuric acid, fuming sulfuric acid


Excellent products, first-class products, qualified products, first-class products, qualified products


Sulfuric acid (H2SO4) content,% ≥ 92.5 or 98.0


Free sulfur trioxide (SO3) content,% ≥ 20.0 20.0 20.0


Ash content,% ≤ 0.02 0.03 0.03 0.10 0.03 0.10


Iron (Fe) content,% ≤ 0.005 0.010 0.010 0.010 0.010 0.030


Arsenic (As) content,% ≤ 8 * 10-5 0.0001 0.005 0.0001 0.0001


Lead (Pb) content,% ≤ 0.001 0.01 0.01 0.01


Mercury (Hg) content,% ≤ 0.0005


Nitrogen oxide (calculated as N) content,% ≤ 0.0001


Sulfur dioxide (SO2) content,% ≤ 0.01


Chlorine (Cl) content,% ≤ 0.001


Transparency, mm ≥ 160 50 50


Chromaticity, ml ≤ 1.0 2.0 2.0


Industrial grade sulfuric acid

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