?? > ???? > ??

?????????????? ?????????

????:2024-11-24 15:40:52 ??:????

????:????????:????95?

?????????????,“???”“????????????????”??????????????????????????????????

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?,??????

??? ? ????????? ?????????:??????????????????????????

????

  • ????
  • ????