Purity is equal or greater than 98.0%
Clarifying test Pass
Insolubles in acid % is equal or lesser than 0.005
Sulfate (SO4)% is equal or lesser than 0.01
Nitrate(NO3) is equal or lesser than 0.003
Ammonium(NH4)% is equal or lesser than 0.005
Pb % is equal or lesser than 0.002
Fe % is equal or lesser than 0.0005