Refractive Index List of Common Household Liquids
|cedar wood oil||1.51|
|cod liver oil||1.46-1.48|
|glycerol (glycerin oil)||1.47|
|rape seed oil||1.47-1.48|
Editor’s Note: This list was compiled from information provided by Donald Clark, CSM IMG, Dr. Gerald Wykoff, Dr. Clive Washington, Roy Kersey, and others.
Vegetable Oil Variations
Be aware that vegetable oils have variable properties. Even oils made from the same species of plant vary in chemical composition depending on things like plant varieties, where the plant grew, how much sun it got, etc. Nevertheless, most plant triglyceride oils (castor, corn, olive, soybean, for example) have fairly similar RIs. Tung oil is a little higher, but make sure it’s not adulterated. …