| ≥1 piece |
Item | Unit | Special grade
| Normal grade
| |
Appearance | / | Clear, colorless volatile liquid | ||
Odor | / | No abnormal odor | ||
Taste | / | Pure, a little sweet | ||
Purity | % (vol) | 96 min. | 95 min. | |
Acid test | 5 max. | 60 max. | ||
Oxidation time | minute | 10 min. | 20 min. | |
Aldehydes | mg/L | 1 max. | 30 max. | |
Methanol | mg/L | 2 max. | 150 max. | |
IPA | mg/L | 1 max. | 30 max. | |
I-Ptopanol | mg/L | 2 max. | 100 max. | |
Acid (as acetic acid) | mg/L | 7 max. | 20 max. | |
Ester (as ethyl acetate) | mg/L | 10 max. | 25 max | |
Non-Volatatile residue | mg/L | 10 max. | 25 max | |
Heavy Metel (As Pb) | mg/L | 1 | ||