PH indicator
A pH indicator is a chemical compound that is added in small amounts to a solution so that the pH (acidity or alkalinity) of the solution can be determined easily. Hence a pH indicator is a chemical detector for protons (H+). Normally, the indicator causes the color of the solution to change depending on the pH.
Natural pH indicators
- Beets
- Blueberries
- Carrots
- Cherries
- Curry Powder
- Delphinium Petals
- Geranium Petals
- Grapes
- Horse Chestnut Leaves
- Morning Glories
- Onion
- Pansy Petals
- Petunia Petals
- Poison Primrose
- Poppy Petals
- Purple Peonies
- Red cabbage http://chemistry.about.com/library/weekly/aa012803a.htm
- Red Radish
- Rhubarb
- Rose Petals
- Strawberries
- Tea
- Thyme
- Turmeric
- Tulip Petals
- Violet Petals
~ Table of Content ~
| ► | Introduction |
| ► | Natural pH indicators |
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