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

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

???????????? ????? ????????????????????????? ?????:??? ??“????9598???”????

?? ?????????????? ?????????

????:1?????9598???:????

2???????

3?????vx

4???1960????

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

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