?? ????????? ??????????????
????:1??????????:??????
2????????????
3?????
4?95?98?????
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????,??
? ????? ? ??????????????:?????????????????