... acid Mainly used in food beverage,preservative,food additives,food flavor,sauce, vinegar, food acidity regular, etc.Process ... by re-distillation ,then got qualified acetic acid.CertificateGB/T28001-2001,GB/T24001-2004idtISO14001:2004,GB ... material to original container. food grade glacial acetic acid ItemStandardResultAppearanceColorless transparent liquidqualifiedChroma/(platinum-cobalt No./hazen units ...