????:2024-11-24 16:09:22 ??:????
????:?????:????
????????,“?????”“???”????????????????????????????????????
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??,?????????????
?? ?????? ? ????????:???
????