Raws li National Food Safety Standard for Drinking Natural Mineral Water (GB 8537-2018), haus dej ntxhia dej yog hais txog cov dej uas ib txwm ntws los ntawm qhov tob hauv av los yog sau los ntawm kev drilling, muaj qee yam minerals, kab kawm, lossis lwm yam khoom, thiab tsis muaj kab mob hauv ib cheeb tsam tshwj xeeb nrog kev tiv thaiv kev tiv thaiv kom tsis txhob muaj kuab paug. Nws yuav tsum tau ntim ncaj qha rau ntawm qhov chaw dej, thiab tsawg kawg yog ib qho ntawm cov ntsuas dej txwv yuav tsum ua kom tau raws li lub teb chaws tus qauv tus nqi teev. Tsuas yog cov pa roj carbon dioxide raug tso cai ua cov khoom xyaw ntxiv.
Cov txheej txheem no faib cov ntsuas dej zoo rau hauv ob pawg tseem ceeb: txwv ntsuas thiab ntsuas ntsuas ntsuas. Kev txwv qhov ntsuas yog qhov ntsuas qhov tseem ceeb uas paub qhov txawv ntawm cov dej ntxhia hauv dej los ntawm lwm cov dej haus; tsawg kawg yog ib qho yuav tsum tau ntsib kom pom tau tias yog dej ntxhia ntuj. Cov kev txwv tsis pub muaj xws li lithium, strontium, zinc, selenium, iodide, metasilicic acid, dawb carbon dioxide, thiab tag nrho cov yaj yaj. Piv txwv li, cov ntsiab lus metasilicic acid yuav tsum siab dua lossis sib npaug li 25.0 mg / L, thiab cov ntsiab lus strontium yuav tsum siab dua lossis sib npaug li 0.20 mg / L (thaum cov ntsiab lus nyob rau hauv thaj tsam ntawm 0.20-0.40 mg / L, dej kub yuav tsum siab tshaj 25 degree).
Cov kev txwv qhia txog qhov siab tshaj plaws uas tso cai rau cov pa phem, thiab txhua qhov kev txwv yuav tsum ua kom tiav. Cov no suav nrog fluoride <2.00 mg/L thiab nitrate <45.0 mg/L.
