... ,fiber,pharmaceutical,dyestuff,vinegar Usage food grade glacial acetic acid Mainly used in food beverage,preservative,food additives,food ... further putified by re-distillation ,then got qualified acetic acid.CertificateGB/T28001-2001,GB/T24001-2004idtISO14001:2004,GB/T19001-2008 ... 0.005max0.004Freezing point/°C 15.6min15.6Crude scale 95min97The heavy metal(by Pb),w/% 0.0002max0.0001Arsenic(As),w/% ...