Percolation
Percolation
Percolation
Percolation
Continuous Extraction
(95% alcohol)
Benzoin
Rhubarb
(50% alcohol)
(90% alcohol)
Asafoetida
(90% alcohol)
Ginger
(60% alcohol)
Valerian
(45% alcohol)
Vanilla
A substance’s ability to rotate the plane of polarization of polarized electromagnetic radiation, usually visible light.
Rotatory Power
Refractive index