????:1???????:400??3????

2?????????

3???150?????

4?????vx

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

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