ʻO ka mea hana Kina Sodium Thiosulphate Raw Salt, ʻo Sodium Thiosulphate, i hoʻopōkole pinepine ʻia ʻo Hypo, he paʻakai sulfur inorganic koʻikoʻi me ʻelua mau kikoʻī kālepa nui: sodium thiosulphate pentahydrate (CAS 10102-17-7) a me ka sodium thiosulphate anhydrous (CAS 7772-98-7). ʻIke ʻia ka sodium thiosulphate Pentahydrate ma ke ʻano he mau kristal monoclinic aniani ʻole me ka efflorescence kūlohelohe i ka ea maloʻo, ʻoiai ʻo ka sodium thiosulphate anhydrous he pauka hygroscopic keʻokeʻo maikaʻi me nā waiwai kemika paʻa i ka mahana o ka lumi. Loaʻa i nā huahana ʻelua ka solubility wai maikaʻi loa a me ka hana hōʻemi nāwaliwali, ʻo ia ko lākou ʻano kemika koʻikoʻi.
Hoʻomalu pono kā mākou hale hana i ke kaʻina hana hoʻomaʻemaʻe e hōʻoia i nā hōʻailona maʻemaʻe paʻa. Mālama ka Pentahydrate sodium thiosulphate i ka liʻiliʻi he 99% o ka nui, a hiki i ke ʻano anhydrous ke hōʻea i ka 98.5% min maʻemaʻe. Hana mākou i ʻelua mau papa maʻamau: ke papa kiʻi a me ke papa ʻoihana maʻamau, me ka metala kaumaha a me ka nui o ka haumia e kūlike piha ana me nā kūlana hoʻokuʻu aku honua.