Study Set Content:
Detection of prism
 Digital handheld refractometer
Uses of a refractometer?
• Help identify or confirm the identity of a sample by comparing its refractive index to known values
• Assess the purity of sample by comparing its refractive index to the value for the pure substance.
• Determine the concentration of a solute in a solution by comparing the solution’s refractive index to a standard.
Corn oil
1.465-1.468
Sunflower oil
1.461-1.468
Mustard oil
1.461-1.469
Sesame oil
1.465-1.469
Soybean oil
1.466-1.470
Palm oil
1.458-1.460
Peanut oil
1.460-1.465
eyepiece
Thermometer in casing
Compensating Amici prism adjust drum
Coarse scale adjust knob and fine scale adjust knob
upper and lower sample prism
Recirculating water inlet and outlet
Movable light source
Movable light source pivot with slot for dime
Press and hold to read scale button
Telescope
