... carbon tetrachloride. Specifications: ItemTechnical Gradehigh-classFirst-classQualifiedGlacial Acetic Acid,%99.8min99.5min98.5minColor10 max20max30maxFormic acid content ,%0.15max0.20max--Acetaldehyde content, ... fe) ,%0.000 04max0.000 2max0.000 4max ItemFood GradeClacial Acetic Acid ,%99.5minColor20maxHeavy Metals (Pb) ,w/%0.000 2% ... and win-win cooperation with all customers. Glacial acetic acid