About this document
Turmeric as a pH Indicator Guide by Riza Estrera is a document available to read on EtoBox.
This document describes how to make and use natural pH indicators from common plants. Red cabbage extract is made by slicing cabbage leaves and steeping them in alcohol or water. It changes color from red in acids to purple in bases. More stable indicators include turmeric powder (yellow to red), radish peels (colors with pH), and elderberry (makes litmus-like paper). Household items like baking soda and lipstick can also indicate pH. Students can extract pigments from plants like blueberries or grapes to t
- Author
- Riza Estrera
- Language
- EN