Muaj Caustic Soda

Caustic soda, tseem hu ua caustic soda, caustic soda, tshuaj lub npe sodium hydroxide, yog cov khoom dawb ntawm chav tsev kub, muaj zog corrosiveness, yooj yim soluble hauv dej, thiab nws cov kua aqueous muaj zog alkaline, uas yog cov feem ntau siv alkali. . Muaj ob hom caustic soda muaj nyob rau hauv khw: khoom thiab kua: khoom yog dawb, nrog thaiv, flake, pas nrig, granular, thiab nkig; ntshiab kua caustic soda yog tsis muaj xim thiab pob tshab kua. Caustic soda yog dav siv nyob rau hauv ntau industries xws li tshuaj lom neeg kev lag luam, luam ntawv thiab dyeing, papermaking, ib puag ncig tiv thaiv, thiab lwm yam. Nws muab faib ua qib industrial thiab qib zaub mov (khoom noj khoom haus additive sodium hydroxide). Qhov sib txawv tseem ceeb ntawm ob tsis yog nws cov purity, tab sis txhuas, arsenic, mercury muaj qhov sib txawv ntawm cov ntsiab lus ntawm cov tshuaj lom neeg xws li qib kev lag luam, thiab qib kev lag luam tsis tuaj yeem siv rau hauv kev lag luam khoom noj vim lawv cov ntsiab lus siab ntawm cov tshuaj lom.

Qee cov neeg ua phem txhaum cai siv cov dej qab zib hauv kev tsim cov squid, hiav txwv dib, mis nyuj tshiab thiab lwm yam khoom noj. Qhov laj thawj tseem ceeb yog tias kev lag luam caustic soda yog tus nqi qis thiab tuaj yeem txhim kho cov tsos thiab saj ntawm cov khoom, xws li ua squid thiab hiav txwv dib ci dua, thiab ua kom lub ntim thiab qhov hnyav ntawm cov khoom hauv dej. Muaj caustic soda yog ntxiv rau cov mis nyuj nyoos ua ib qho tshuaj tiv thaiv los npog cov saj ntawm cov mis nyuj nyoos. Noj cov khoom noj uas muaj cov dej qab ntsev ntau dua tuaj yeem hlawv cov hnyuv thiab ua rau lub plab zom mov. Nyob rau tib lub sijhawm, cov dej qab zib ua kua muaj ntau cov hlau hnyav, cov ntsiab lus ntawm Pb, As, thiab Hg kuj siab, thiab cov hlau hnyav no muaj kev phom sij loj rau tib neeg lub cev. Raws li qhov no, thaum Lub Kaum Ob Hlis 15, 2008, Tuam Tshoj National Health thiab Family Planning Commission (yav tas los Ministry of Health) tau tshaj tawm "Cov Ntawv Teev Cov Khoom Siv Tsis Zoo Uas Yuav Tau Ua Tsis raug cai ntxiv rau hauv Khoom Noj (Thawj Batch)", uas qhia meej txog kev lag luam. caustic soda ua txhaum cai. Ntxiv cov tshuaj inedible.