Detailed Description

Name of index	GB1886.214-2016	USP
ASSAY(CaCO3) Dry basis, %	98.0-100.5	98.0-100.5
Acid Insoluble substances, %	≤0.2	≤0.2
Magnesium and alkali salts, %	≤1.0	≤1.0
Iron, %	-	≤0.003
Fluoride , %	≤0.005	≤0.005
Loss on drying , %	≤2.0	≤2.0
Barium,%	≤0.03	≤0.03
Pb , %	≤0.0003	≤0.0003
Arsenic , %	≤0.0003	≤0.0003
Mercury,%	≤0.0001	≤0.0001
Cd , %	≤0.0002	-
Heavy metals,%	-	≤0.002
Free alkalinity	Pass test	-
Organic Volatile Impurities	-	Meets the requirement

All information is offered in good faith, without guarantee or obligation by the accuracy or sufficiency thereof, or the result obtained and is accepted at user’s risk. Nothing herein shall be construed as a recommendation for uses that infringe valid patents or as extending a license under valid patents.