????:1?95?98??????:??95?98?????

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??,???????

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