?,“???”“????????”??????????????????

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???499

?,“???”“????????”??????????????????

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

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