?? ?????????????? ?????????
????:1???????:?????95??
2???????????
3?????95????
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????????????,??????????????
?????????????? ????????????? ???????????????????? ??????????????:?????????????????