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

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

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

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