... ,food flavor,sauce, vinegar, food acidity regular, etc.Process According to GB/1903_2008,by fermentation method, corn is fermentated into alchohol ... to original container. food grade glacial acetic acid ItemStandardResultAppearanceColorless transparent liquidqualifiedChroma/(platinum-cobalt No./hazen units) 10max9Acidity,w% 99.5min99.6Potassium permanganate ...