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

2??????????

3?????????2023

4???????80?

5????????95?98?

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

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

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