| Amphetamine (Speed) | ||
|---|---|---|
| Product | Color change Time → | Comments |
| Marquis | Fast reaction. | |
| Mecke | None | |
| Mandelin | Slow color change, takes 30 - 60 sec. or more. | |
| Liebermann | Fast reaction. | |
| Froehde | None | |
| Ehrlich | None | |
| Hofmann | None | |
| Hofmann | None | |
| Simon's | None | |
| Folin | Fast reaction. | |
Substance categories: stimulant