?? > ???? > ??

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

????:2024-11-24 18:31:16 ??:????

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

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

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??,????

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

????

  • ????
  • ????