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

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??????,???

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