... standardLead≤1ppmAS≤1ppmMercury≤1ppmAluminium ≤0.2ppmBacteriaendotoxic ≤0.5IU/mgMain Usage:Citric Acid is mainly used as acidulant,flavoring agent, preservative and antistaling ... container, we can mix different items in one container.2. Quality control, before shipment, free sample for test. after shipment, ... and after loading into containerraw materials from chinese origin Citric acid mono BP98