1. n-Hexane
Test standard: GB 1886.258
Test items: Appearance, n-hexane content, Distillation range, Saybolt color, Bromine index, Residue on evaporation, Sulfur, Benzene, Polycyclic aromatic hydrocarbons, Lead, Nitrogen.
Test standard: GB 29202
Test items: Nitrogen, Oxygen
Carbon dioxide, Carbon monoxide
Moisture
Three, glacial acetic acid
Test standard: GB 1886.10
Test items: Acetic acid content, Potassium permanganate test, Residue on evaporation, Crystallization point, Ratio of acetic acid produced by fermentation, Heavy metals, Arsenic, Free mineral acid, Color, Propylene glycol
Test standard: GB 30610
Test items: Propylene glycol content, Distillation range, Residue on evaporation, Relative density, Ketones and other alcohols, Acidity, Lead, Test for carbonizable substances, Any impurities, Ethanol
Test standard: GB 30610
Test items: Ethanol, Acidity, Alkalinity, Residue on evaporation, Lead, Ketones and other alcohols, Methanol, Impurity alcohol test, Test for carbonizable substances, Test for oxidizability, Any impurity, Glycerol
Test standard: GB 29950
Test items: Glycerol content, Relative density, Color, Fatty acids and lipids, Chloride, Carbonizable substances, Ash, Lead
