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

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???????95????

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

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