?????????????? ?????????

????:?????95??98??:?????

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

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?????,??

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