Usage Acetic acid food additive mainlyusedinfood flavoring,vinegar,food acidity regulators,foodbeverage,preservative, foodflavor, sauce,etc. Process AccordingtoGB/1903_2008,byfermentationmethod,cornisfermentatedintoalchoholvapors.Afteroxidizationreaction, wegotacetaldehyde,thenitisfurtherputifiedbyre-distillation,thengotqualifiedacetic acid . Specifications aceticacid food additives Item Standard Appearance Colorlesstransparentliquid Color(platinum-cobaltcolorNumber/hazenunits) 10max Acidity,w% 99.5min Potassiumpermanganateexperimentminute 32min Evaporitesdeposits,w/% 0.005max Freezingpoint/°C 15.6min Naturaldegree/% 95min Theheavymetal(byPb),w/% 0.0002max Arsenic(As),w/% 0.0001max Freemineralacidtest qualified identification Meetthestandard The certifications: ISO9001:2008 ISO14001:2004 GB/T28001-2001.