Specifications Food Grade Precipitated Calcium Carbonate (PCC) 1.factory price 2.Purity: 98%min. 3.Appearance: white powder. Food Grade Precipitated Calcium Carbonate (PCC)? ?Test?? ItemSpecification?CharacteristicClean odorless, fine white powder2.AIdentification(Carbonate, CO32-)Effervesce with acids, evolving a colorless gas that when passed into Ca(OH)2, produces a white precipitate.2.BIdentification(Calcium salt, Ca2+)Moistened with HCL, impact a transient yellowish red color to a nonluminous flame3.Acid insoluble % ≤??????????????????????????????????????0.24.Loss on drying % ≤?????????????????????????????????????0.55.Barium saltNo green flame6.Magnesium and alkali metals % ≤??????????1.07.Iron % ≤?????????????????????????????????????????????????????????0.048.Heavy metals % ≤???????????????????????????????????????0.0029.Arsenic salt % ≤??????????????????????????????????????????0.000310.Fluoride % ≤?????????????????????????????????????????????????0.00511.Lead % ≤??????????????????? ????????????????????????????????????0.000312.Mercury % ≤??????????????????????????????????????????????????0.0000513.CaCO3?Content (Dry basis) %??????????????98.0-100.5????