Potassium sorbate Functional use: preservative (food grade) Date of expiry: 2 years Product specification Specification fcc iv Assay (dry basis) % 98.0-101.0 Acidity(as sobic acid) passes test (about 1%) Free alkall (as k2co3)% passes test (about 1%) Loss on drying % less than 1 Heavy metals (as pb) % less than 0.001 Clarity --- Aldehyde (as hcho) % --- Chloride (as cl) % less than 0.018 Arsenic % --- Sulfate (as so4) % --- Certificate: kosher, iso9001.14001, gmp Packing: Bags with membrane, 25kg/bag; Cartons with membrane, 25kg/carton; Store in airtight, cool, and dry place