Xov xwm

Yuav tsum tau calibrated nrog cov ntaub ntawv siv tom qab tau npaj?Cov kev npaj daws yog cov ntsiab lus ua ntej, thiab tus nqi concentration tseem tsis tau mus txog tus nqi tiag...

Muaj peb txoj hauv kev rau kev tsim khoom ntawm sodium hydroxide, uas yog caustic soda, causticization method, electrolysis method thiab ion exchange membrane method.

Cov txheej txheem tsim khoom: thawj zaug yaj calcium oxide hauv dej los ua cov kua txiv qaub CaO ntxiv rau H2O=Ca(OH)2; Cov txheej txheem no yog cov tshuaj tiv thaiv exothermic,...

Sodium hexametaphosphate yog siv los ua dej softener rau kev kho dej txias hauv chaw nres tsheb fais fab, chaw nres tsheb, boilers thiab chiv nroj tsuag, ua ib qho kev pabcuam r...

Sodium tripolyphosphate feem ntau yog siv los ua auxiliaries rau cov tshuaj detergents hauv kev lag luam. Nws yog ib qho tseem ceeb thiab zoo heev auxiliaries. Nws tsis tsuas yo...

Txhawm rau tiv thaiv nws los ntawm kev xau, ib zaug nws xau, nws yog ib qho tsim nyog yuav tsum tau cais tawm qhov chaw paug paug thiab txwv kev nkag mus. Thaiv qhov hluav taws ...

Ib hom khoom caustic soda (sodium hydroxide) khoom, tshuaj formula: NaOH. Raws li qhov loj me, nws tuaj yeem muab faib ua coarse-grained alkali thiab particulate alkali, ntawm c...

Sodium hydroxide tau ntev tau paub tias yog cov khoom alkaline. Xyoo 1787, tus kws kho mob Nicolas Leblanc (1762-1806) tau tsim cov txheej txheem tsim nyog rau kev npaj sodium h...

Cia peb saib ua ntej ntawm cov tshuaj formula ntawm sodium hydroxide, NaOH, feem ntau hu ua caustic soda, caustic soda, thiab caustic soda. Exothermic) thiab tsim cov tshuaj alk...