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

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

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

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???,??????

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