Ke ʻano: ke aniani keʻokeʻo a i ʻole ka pauka crystalline keʻokeʻo.
Maʻiʻo:≥99.50 %
Ka helu hehee: 184.0-187.0°C
Sulphate(SO42-):0.02 %
Metala kaumaha (e like me Pb2+):0.001 %
ʻO ka mea hoʻemi o ka potassium permanganate (ml): ≤2.0%
ʻAʻole hiki ke hoʻoheheʻe ʻia i ka wai: ≤0.02%