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Sodium Hydrosulfite 90%
Sodium hydrosulfite kapena sodium hydrosulfite, ili ndi muyezo wa 85%, 88% 90%. Ndi katundu woopsa, wogwiritsidwa ntchito mu nsalu ndi mafakitale ena.
Pepani chifukwa cha chisokonezochi, koma sodium hydrosulfite ndi chinthu chosiyana ndi sodium thiosulfate. Fomula yoyenera ya sodium hydrosulfite ndi Na2S2O4. Sodium hydrosulfite, yomwe imadziwikanso kuti sodium dithionite kapena sodium bisulfite, ndi mankhwala amphamvu ochepetsa. Amagwiritsidwa ntchito kwambiri m'njira zosiyanasiyana, kuphatikizapo:
Makampani Opanga Nsalu: Sodium hydrosulfite imagwiritsidwa ntchito ngati chotsukira nsalu m'makampani opanga nsalu. Ndi yothandiza kwambiri pochotsa utoto pa nsalu ndi ulusi, monga thonje, nsalu, ndi rayon.
Makampani Opanga Zamkati ndi Mapepala: Sodium hydrosulfite imagwiritsidwa ntchito kuyeretsa zamkati zamatabwa popanga mapepala ndi mapepala. Zimathandiza kuchotsa lignin ndi zinyalala zina kuti pakhale chinthu chowala kwambiri.
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Asidi wa Oxalic 99%
Oxalic acid, yomwe imadziwikanso kuti ethanedioic acid, ndi crystalline solid yopanda mtundu yokhala ndi formula ya mankhwala C2H2O4. Ndi mankhwala achilengedwe omwe amapezeka mu zomera zambiri, kuphatikizapo sipinachi, rhubarb, ndi mtedza wina.
