| Index | 
						Pharmaceutical grade cp2005 | 
						Food grade 2023-2003 | 
					
					
						| Color(APHA) | 
						/ | 
						≤150 | 
					
					
						| Content % | 
						85-90 | 
						80-90 | 
					
					
						| Chloride% | 
						≤0.002 | 
						≤0.002 | 
					
					
						| Sulfate % | 
						≤0.01 | 
						≤0.005 | 
					
					
						| Iron salt% | 
						≤0.001 | 
						≤0.001 | 
					
					
						| Ignition residue% | 
						≤0.1 | 
						≤0.1 | 
					
					
						| Arsenic (mg/kg) | 
						≤1 | 
						≤1 | 
					
					
						| Heavy metal(in Pb)/(mg/kg) | 
						≤10 | 
						≤10 | 
					
					
						| Calcium salt | 
						Muddy is not allowed | 
						Qualified | 
					
					
						| Solubility in ether | 
						/ | 
						Qualified | 
					
					
						| Citric acid, oxalic acid, phosphoric acid, tartaric acid | 
						.Muddy is not allowed | 
						Qualified | 
					
					
						| Reducing sugar | 
						Red sediment is not allowed | 
						Qualified | 
					
					
						| Cyanidemg/kg | 
						/ | 
						≤5 | 
					
					
						| Readily carbonizable substance | 
						Darker than light yellow is not allowed | 
						/ | 
					
					
						| Packing | 
						25kg or 250kg plastic drum |