Kev phom sij ntawm sulfate rau tib neeg

Sulfate concentrations nyob rau hauv tej yam ntuj tso dej sib txawv, los ntawm ob peb mg / L mus rau txhiab mg / L (nyob rau hauv seawater).
Sulfate feem ntau muaj nyob rau hauv cov dej haus. Nws qhov chaw tseem ceeb yog sulfate ntawm kev tsim cov zaub mov, feem ntau nyob rau hauv daim ntawv ntawm calcium sulfate thiab magnesium sulfate; dissolution ntawm gypsum thiab lwm yam sulfate sediments; dej hiav txwv intrusion, sulfite thiab thiosulfate. oxidation ntawm sulfates nyob rau hauv tag nrho aerated av dej, nrog rau cov dej phwj hauv tsev, tshuaj chiv, sulfur-muaj nyob rau hauv dej kub, mining wastewater, tanning, ntawv manufacturing, industrial wastewater siv sulfates los yog sulfuric acid, thiab lwm yam, yuav ua rau sulfates nyob rau hauv cov dej haus. . cov ntsiab lus nce.
Qhov tseem ceeb tshaj plaws physiological cuam tshuam tom qab noj cov sulfate ntau yog raws plab, lub cev qhuav dej thiab plab hnyuv. Cov neeg feem ntau siv dej nrog magnesium sulfate cov ntsiab lus siab tshaj 600mg / L ua laxative. Thaum cov ntsiab lus ntawm calcium sulfate thiab magnesium sulfate nyob rau hauv dej mus txog 1000mg / L thiab 850mg / L raws li, 50% ntawm cov neeg teb xav tias qhov saj ntawm cov dej tsis kaj siab thiab tsis txaus siab.