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

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???,??

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

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

????:1????????????:2023??????

2??????????

3???98?

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???,??

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