PTC TEST PAPERS
vendor-unknown
$ 3.95
SKU: PTC
PTC (phenylthiocarbamide)Teststripstastes bland, bitter or utterly vile depending your how sensitive your taste buds are to this chemical.
How to use:
- Place strip on tongue
- 3 possible results: no response; slight bitter taste; revolting
- Vial of 100 strips
or
Control Strips
- Place strip on tongue
- results: no response
- Vial of 100 strips
