????:1?????????9598:?????95????

2??????????

3???????wx

4??????????

5????95???

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

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

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