Specification Analysis Method DPT Comment Acetone,wt% ≤0.002 See O-M-232L Acidity (as acetic acid), wt% ≤0.0015 See GB 338 Alkalinity (as NH3) wt% ≤0.0002 See GB 338 Appearance No opalescence, suspended matter or sediment See O-M-232L Carbonisable impurities, colour Pt-Co ≤30 ASTM E346 Carbonyls (as HCHO), wt% ≤0.002 GB / T 6324.6 Colour, Pt-Co ≤5 GB / T 3143 Distillation range ( 0 ° C, 101.3kPa, between 64.0 ° C ~ 65.5 ° C, including 64.6± 0.1 ° C), ° C ≤0.8 GB 7534 Ethanol, wt% ≤0.001 ASTM E346 Non-volatile matter, mg/100ml ≤10 ASTM D1353 Looser spec than one below. can delete Non-volatile mater , wt% ≤0.001 GB / T 6324.2 Odour Characteristic, nonresidual ASTM D1296 Can be replaced by TMA spec/method Permanganate time, min ≥50 GB / T 6324.3 Longer time is tighter spec Purity, wt% ≥99.85 Specific gravity at 20/20°C, range 0.791 ~ 0.792 GB / T 4472 Water mass fraction, wt ％ ≤0.1 GB / T 6283 Water miscibility test Passing test (1+3 ） GB / T 6324.1 TMA <50 ppb ASTM E 346 谢谢大家了。 显示全部