Sodium hydrosulfite los yog sodium hydrosulphite, muaj tus qauv ntawm 85%, 88% 90%. Nws yog cov khoom txaus ntshai, siv hauv textile thiab lwm yam kev lag luam.
Thov txim rau qhov tsis meej pem, tab sis sodium hydrosulfite yog ib qho sib txawv ntawm sodium thiosulfate. Cov tshuaj formula raug rau sodium hydrosulfite yog Na2S2O4. Sodium hydrosulfite, tseem hu ua sodium dithionite los yog sodium bisulfite, yog ib tug muaj zog txo tus neeg sawv cev. Nws yog feem ntau siv hauv ntau daim ntawv thov, suav nrog:
Kev lag luam textile: Sodium hydrosulfite yog siv los ua tshuaj dawb hauv kev lag luam textile. Nws muaj txiaj ntsig tshwj xeeb ntawm kev tshem cov xim ntawm cov ntaub thiab fibers, xws li paj rwb, linen, thiab rayon.
Pulp thiab ntawv kev lag luam: Sodium hydrosulfite yog siv los bleach ntoo pulp nyob rau hauv zus tau tej cov ntawv thiab ntawv cov khoom. Nws pab tshem tawm lignin thiab lwm yam impurities kom ua tiav cov khoom kawg ci dua.