| Methamphetamine (Meth, Crystal, Glass, Tweak, Yaba) | ||
|---|---|---|
| Product | Color change Time → | Comments |
| Marquis | Quick orange to red. Eventually turns brown. | |
| Mecke | The color change to yellow may take place slowly. | |
| Mandelin | Slow color change to green, can take a few minutes. | |
| Liebermann | Fast color change to red and then dark red. | |
| Froehde | None | Our testing shows some fizzing but no major color change with Froehde. You might see a gradual change to pinkish yellow. |
| Ehrlich | None | |
| Hofmann | None | |
| Simon | Turns blue quickly. | |
| Folin | ||
| Morris | None | |
Substance categories: stimulant
For general information about methamphetamine, please see the meth/amphetamine info page.