?? > ???? > ??

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

????:2024-11-24 20:35:52 ??:????

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

??,“?????”“???”?????????????

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??,??????

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

????

  • ????
  • ????