Usage Mainlyusedinfoodbeverage,preservative,foodadditives,foodflavor,sauce,vinegar, food acidity regular,etc. acetic acid in chemicals Process AccordingtoGB/1903_2008,byfermentationmethod,cornisfermentatedintoalchoholvapors.Afteroxidizationreaction, wegotacetaldehyde,thenitisfurtherputifiedbyre-distillation,thengotqualifiedacetic acid in chemicals. Specifications acetic acid in chemicals Item Standard Appearance Colorlesstransparentliquid Color(platinum-cobaltcolorNumber/hazenunits) 10max Acidity,w% 99.5min Potassiumpermanganateexperimentminute 32min Evaporitesdeposits,w/% 0.005max Freezingpoint/°C 15.6min Crude scale/% 95min Theheavymetal(byPb),w/% 0.0002max Arsenic(As),w/% 0.0001max Freemineralacidtest qualified Identification Meetthestandard Certificate GB/T28001-2001,GB/T24001-2004idtISO14001:2004,GB/T19001-2008/ISO9001:2008.