Item

Specification

Result

Potassium Hydroxide

≥90.0%

90.4%

Potassium Carbonate(as K2CO3)

≤0.5%

0.4%

Chloride (as Cl)

≤0.005%

0.002%

Fe

≤0.0005%

0.0001%

Sulfate( SO4)

≤0.005%

0.002%

Nitrate and nitrite(n)

≤0.0005%

0.0002%

Na

≤0.8%

0.25%

Phosphate(PO4)

≤0.005%

0.001%

Silicate(SiO3)

≤0.01%

0.005%

Al

≤0.002%

0.0002%

Ca

≤0.005%

0.0002%

Ni

≤0.0005%

0.0001%

Heavy metals

≤0.002%

0.001%