Ntụ ntụ ntụ nke na-anaghị esi mmiri mmiri, Sodium Thiosulphate,
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sodium thiosulphate pentahydrate (CAS 10102-17-7) na sodium thiosulphate anhydrous (CAS 7772-98-7). Pentahydrate sodium thiosulphate na-apụta dị ka kristal monoclinic na-enweghị agba nwere ikuku na-enwu enwu n'ikuku kpọrọ nkụ, ebe sodium thiosulphate anhydrous bụ ntụ ntụ hygroscopic ọcha nke nwere ihe onwunwe kemịkalụ kwụsiri ike na okpomọkụ ụlọ. Ngwaahịa abụọ a nwere ezigbo mmiri na-agbaze ma na-ebelata arụmọrụ ha na-adịghị ike, nke bụ njirimara kemịkalụ ha bụ isi.
Ụlọ ọrụ anyị na-achịkwa usoro nhicha mmepụta nke ọma iji hụ na ihe ngosi ịdị ọcha kwụsiri ike. Pentahydrate sodium thiosulphate na-ejide ọdịnaya kacha nta nke 99%, ụdị anhydrous na-erukwa ịdị ọcha nke nkeji 98.5%. Anyị na-emepụta ọkwa ọkọlọtọ abụọ: ọkwa foto na ọkwa ụlọ ọrụ izugbe, yana ọdịnaya ígwè dị arọ na adịghị ọcha nke dabara na ụkpụrụ mbupụ mba ụwa.