Potassium hydroxide is an inorganic compound with the chemical formula KOH. It is a common inorganic base with strong alkalinity and a pH of 13.5 in a 0.1mol/L solution. It is soluble in water, ethanol, and slightly soluble in ether, and easily absorbs moisture from the air to deliquesce and absorb carbon dioxide to form potassium carbonate. It is mainly used as a raw material for the production of potassium salts and can also be used in electroplating, printing, and dyeing.
|
TESTS |
STANDARD |
RESULTS |
|
APPEARANCE |
WHITE FLAKES |
WHITE FLAKES |
|
KOH |
90%MIN |
90.3% |
|
K2CO3 |
0.5%MAX |
0.31% |
|
CHLORIDE(CI) |
0.005%MAX |
LESS THAN 0.005% |
|
SULFATE(SO4) |
0.002%MAX |
LESS THAN 0.002% |
|
NITRATE NITRITE (N) |
0.0005%MAX |
LESS THAN 0.0005% |
|
PHOSPHATE(PO4) |
0.002%MAX |
LESS THAN 0.002% |
|
SILICA(SiO3) |
0.01%MAX |
0.001% |
|
Fe |
0.0002%MAX |
0.00004% |
|
Na |
0.5%MAX |
0.47% |
|
Ca |
0.002%MAX |
0.00004% |
|
AI |
0.001%MAX |
0.00001% |
|
Ni |
0.0005%MAX |
0.0005% |
|
Pb |
0.001%MAX |
LESS THAN 0.001% |
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