????:1?????????:??????

2?????????

3???????

4?????????

5???spa???

?????,“????”“?????????????”?????????????????????????

11????21??,“??????????????”????,??????????,11?18???“???????????”?????????????????3920%?

??,?????????,????????????????????,2025??,?????????????,????????

??????????“?”

“???”??????

???????????,?????????????????????,??????????????,???

??????????????,????,?????????????«????»???????«GB/T8939-2018?????????????????(??????)»??????????????????????,?????pH?????????????????;???GB15979«?????????????»???????????????

«?»???????????????????,?????????,???????????????????????????????????????????

???????????????«GB/T8939-2018?????????????(??????)»??????????,?????“±4%”??,????,???????????????????,??,??????????“??????”?

?pH??????????,?4.0~9.0??,??????????????,????????????????,pH????????4.0~9.0???????????????????pH?????????????4.0~8.5,?????4.0~7.5??,????,?????????????pH??????

“????????? ”“?????,????????C????????????”???????????????????????,?“?????????????”??,???????,???“???????????????????”?????

??«????????????»,????????????

«T/NAHIEM 003-2017?????????????????????(?????????????)»???????????2017??????10???18??,???????“???”???????«?????»????????????????

11?????21?????????????????,“?”????????????????????????,“?????”???????

?

?????????????“????”

?????«??????????»??,??,????,??????????????????“??????????????????”??????????,???????“?????????????”??,??“?”??????????????,??,????????16????1?????????????,????????????,?????????????????,???????????,??

?“??”???????????,????????????“?”,????????????“????????????”?

11?????????22???????????,???????????,«???(?????????)»??????????“????????????”??“??????”,????“??????????????????????”?

??????????????????????,??,??????????“?????”,???,????????«????????????????????»??????????????????????????????

?????,??????????,?????????????,???“?”?????????2017?????????????????,?????,??????,?????“???????”??????????????,???

?????

??????

??????????,??????????2025?????????

11??21?,“???”??????????????????????????????,?????20241954-T-607???????????«??(?)»??????????,??2024??6??????????????28????????????,?????16???????

21??????,?,???????“???,???????,??????????????????,?????????,???”??,?????????????,????,“???,???????”

???,2024??????????6?????????????????????????25????????????????,?????(?)?????????2024??????????????????????????12???????,???????????GB15979-2024«????????????????????»?GB15979-2002«?»,????????????????2025???7?????????????1????????

??????,???????,????????,2025?????????,«?????(????????)»???????????????,????????????,???????????????????,????????2025?????,????

????? ??????????? ????????? ????:???????????????