Potassium sulfate

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