Dyes extracted from natural sources and some of their applications | ||||
| البحوث التطبيقية في العلوم والانسانيات | ||||
| Volume 1, Issue 1, July 2024, Page 19-26 PDF (1.04 MB) | ||||
| Document Type: المقالة الأصلية | ||||
| DOI: 10.21608/aash.2024.375710 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| Aya Hafez Qutb; Basant Osama Sayed Ramadan; Eman Amr Alimi; man Wael Abdel Aziz Mohamed; Habiba Shawqi Abdel Sattar Awad; Rahma Khaled Saeed Mohamed; Ebtesam Mohamed | ||||
| Lecturer of inorganic chemistry, Chemistry department, Faculty of Education, Ain Shams University. Faculty of Education, Ain Shams University, Bachelor of Science and Education (primary) Sciences major (in Arabic). | ||||
| Abstract | ||||
| In this study, a group of natural dyes were extracted from plants (Such as turmeric, hibiscus, red cabbage, onion peel, pomegranate, And beets). The extracted anthocyanin dye has been used to dye cotton fabrics effectively using Vinegar and salt as a stabilizer. It has been also used as acid–base indicators which were compared with common indicators such as methyl orange and phenolphthalein. The results showed agreement in the extent of colour change. These extracts have also been used to prepare chromatography papers that resemble litmus papers. | ||||
| Keywords | ||||
| Anthocyanin dye; natural dyes; Indicators; Acid-Base | ||||
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