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