Xov xwm

Txhua tus paub txog sodium gluconate. Sodium gluconate yog ib qho dawb crystalline particle lossis hmoov uas yooj yim soluble hauv dej lossis cawv, tab sis tsis yooj yim ether.

Citric acid muaj cov nyhuv tiv thaiv thiab tshem tawm cov pigmentation ntawm daim tawv nqaij. Cov tshuaj suav tshuaj suav hais tias cov txiv qaub yog qhov sov sov, iab hauv saj,...