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By certification 
Test Item Specification Results
Purity ≥99.90% 99.950%
Moisture ≤0.1% 0.03%
Density 0.789-0.791 0.791
Methanol ≤0.05% Not found
Isopropanol ≤0.01% 0.005%
Easy carbonized material Qualified Qualified
Restore potassium permanganate ≤0.00025% 0.0002%
Purity ≥99.90% 99.950%
Moisture ≤0.1% 0.03%
Density 0.789-0.791 0.791
Methanol ≤0.05% Not found
Isopropanol ≤0.01% 0.005%
Easy carbonized material Qualified Qualified
Restore potassium permanganate ≤0.00025% 0.0002%
