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 …

Initial Impact of Certificate Program for Non-specialists Teachers in Chemistry: Implications to Reforms in Teachers’ Continuing Professional Development

AUTHORS Shirley R. Jusayan, Lorna A. Mandadero, Ricky M. Magno, and Elvira L. Arellano ABSTRACT This study examined the competencies and capabilities of teachers who are non-majors in Chemistry after attending the Certificate Program of two terms which. ran for 6 weeks for each term. The course content covered among others the least learned content Read More …