pH Indicator from Kamias (Averrhoa bilimbi L.) Flower Extract

AUTHORS Shirley R. Jusayan ABSTRACT The acidic or basic nature of materials is usually determined using pH meter and commercially-sold or synthetic indicating means. In this study, an eco- friendly pH indicator was prepared from the aqueous and ethanolic extract of kamias (Averrhoa bilimbi L.) flowers containing anthocyanin pigment. The Kamias pH indicator paper was Read More …