?? > ???? > ??

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

????:2024-11-24 14:30:13 ??:????

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

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

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?,???????????????????

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

????

  • ????
  • ????