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

2????????

3???????

4???????????

5???????

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

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

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