Purity: 99%min
Ca(NO3)2: 68-71%
Ca: 16.6min
Fe: 0.0007max
HNO3: 0.006max
Heavy Metal (As PB): 0.0005max
Insoluble matter in water: 0.01max
PH Value: 4.0-7.0
Standard: HG/T 3787-2005
Protection:Operators should wear protective smock including respirator and rubber gloves, etc. Be careful not to inhale the powder of calcium nitrate to protect respiration apparatus. In the case of a fire, use water, soil or other fire extinguishing media but aqueous solution must be prevented to flow towards inflammable materials.