... , without suspending impurities Chromaticityin HazenPt-Co,≤ 20 Acetic acid content,≥ 99.5 Moisture,≤ - Formic acid content,≤ 0.15 Aldehyde content, ≤ 0.05 ... as Vinyl acetate, acetic anhydride, diketene, acetate ester, acetate, acetate fiber and chloroactic acid etc. It is an important raw material for ...