Cov Khoom Siv Raw Tshuaj
Peb lub tuam txhab muaj lub tuam txhab ntev thiab tsim nyog kev koom tes nrog cov khoom siv sib txawv uas cov khoom siv ntxhua khaub ncaws thiab kua xab npum ua kua. Kev muab khoom loj ntawm stpp, dej tshauv, zawvolite, zeropite, sodium silicate, anhydrous sodium sulium sulium, labsa, thiab lwm yam.
Cim npe nrov: Sodium sulphate, Tuam Tshoj sodium sulphate cov chaw tsim khoom, cov chaw muag khoom, Hoobkas
