Potassium Hydroxide

Cas:1310-58-3 
H. S code:28152000 
Un:1813 class 8 pkg II 

Specification: 
Appearance white flakes 
Koh 90.0%min 
K2co3 0.5%max
Chloride (cl) 0.005%max 
Fe 0.0005%max
Sulfate (so4) 0.005%max
Nitrate (n) 0.0005%max
Na 0.8%max
Phosphate (po4)0.005%max
Silicate (sio3)0.01%max 
AL 0.002%max
Ca 0.005%max
Ni 0.0005%max
Heavy metal(as pb)0.002%max