Test Items |
units |
Standard |
Measured value |
Guarantee reagent |
Analytical reagent |
Chemical reagent |
Chemical reagent |
Ethanol content |
% |
≥99.8 |
≥99.7 |
≥99.5 |
99.97 |
Density (20oC) |
g/ml |
0.789-0.791 |
0.789-0.791 |
0.789-0.791 |
0.790 |
Water mixture test |
-- |
Qualified |
Qualified |
Evaporites residues mass fraction |
% |
≤0.0005 |
≤0.001 |
≤0.001 |
0.0003 |
Acid degree (counted with H+) |
mmol/100g |
≤0.02 |
≤0.04 |
≤0.1 |
0.01 |
Moisture mass fraction |
% |
≤0.2 |
≤0.3 |
≤0.5 |
0.018 |
Carbinol mass fraction |
% |
≤0.02 |
≤0.05 |
≤0.2 |
0.008 |
Isopropanol mass fraction |
% |
≤0.003 |
≤0.01 |
≤0.05 |
Not detected |
Carbonyl compounds mass fraction |
% |
≤0.003 |
≤0.003 |
≤0.005 |
<0.005 |
Easy carbonized material |
-- |
Qualified |
Qualified |
Material reduction of potassium permanganate (counted with O) mass fraction |
% |
≤0.00025 |
≤0.00025 |
≤0.0006 |
<0.0006 |
Test result: Pass GB/T678-2002standard |