Ruwan Acid

Hermeta Acid Dyes yawanci ana amfani da su akan yadi a ƙananan pH.An fi amfani da su don rina ulu, ba kayan auduga ba.

Rinyun acid ɗin anionic ne, mai narkewa a cikin ruwa kuma ana shafa su da gaske daga wanka mai acidic.Waɗannan rini suna da ƙungiyoyin acidic, kamar SO3H da COOH kuma ana shafa su akan ulu, siliki da nailan lokacin da aka kafa haɗin ion tsakanin protonated –NH2 ƙungiyar fiber da rukunin rini.Gabaɗaya saurin wankewa ba shi da kyau ko da yake saurin haske yana da kyau sosai.Kamar yadda rini da fiber ke ɗauke da sabanin yanayin lantarki, yawan yajin aiki da ɗaukar rini na acid akan waɗannan zaruruwa yana da sauri;Ana ƙara electrolyte a mafi girman maida hankali don ɗaukar rini na baya da kuma samar da inuwa masu daidaitacce.Acid yana haifar da cation akan fiber kuma zafin jiki yana taimakawa maye gurbin mummunan ɓangaren acid tare da ƙwayoyin rini na anionic.