colorless crystal or powder usage: making potassium salt; biochemical test of serum protein; catalyst
colorless crystal or powder
AR grade:
assay >=99%
substances insoluable in water <=0.005%
pH(50g/L,25 degree): 5.0∼8.0
chloride <=0.0005%
clarity of solution: passes test
heavy metals(as Pb) <=0.0005%
total nitrogen(N) <=0.0005%
As <=0.0001%
Ca <=0.01%
Fe <=0.0002%
Na <=0.03%
CP grade:
assay >=98.5%
substances insoluable in water <=0.01%
pH(50g/L,25 degree): 5.0∼8.0
chloride <=0.001%
clarity of solution: passes test
heavy metals(as Pb) <=0.001%
total nitrogen(N) <=0.001%
As <=0.0005%
Ca <=0.02%
Fe <=0.0005%
Na <=0.01%
usage: making potassium salt; biochemical test of serum protein; catalyst
Potassium sulfate
