237
edits
GMU:DIY Biolab “Driver’s License”/Yang Li (view source)
Revision as of 16:22, 10 January 2018
, 10 January 2018no edit summary
No edit summary |
No edit summary |
||
| Line 15: | Line 15: | ||
==References== | ==References== | ||
* https://ellieirons.com/projects/two-meadows/ | * https://ellieirons.com/projects/two-meadows/ | ||
I use red cabbage to make pH indicator. The pH solution from 2 to 13. | I use red cabbage to make pH indicator. The pH solution from 2 to 13. | ||
The red cabbage solution | |||
[[File:WechatIMG440.jpeg|400px]] | [[File:WechatIMG440.jpeg|400px]] | ||
| Line 58: | Line 61: | ||
Next step: | Next step: | ||
1. Rate of colour change | 1. Rate of colour change | ||
2. Reversibility of colour change | 2. Reversibility of colour change | ||