?? ?????????????? ?????????
????:1???????:??????
2???100????????
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??????,???????
???? ????????????? ????? ?????????????????????:??