?? ?????????????? ?????????
????:1?????:??95???
2????????
3????????
4?????2022
5??????????
??,“??”“????????”???????????????????????????????
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??????????,??????
??? ?????????????? ?????????????????? ??????????????:??????????