A Simple Method for Determining the Oil Content of Seeds and Other Oil-bearing Materials

Page Introduction ._ 1 Wesson's test (optical method) 2 Modification of the technic of the W^esson test. 2 E quipment necessary to make the test 4 How to make an oil test by the optical method. 5 Preparing the material for analysis 6 Extracting the vegetable oil 6 Reading the refractive indices 7 Page How to prepare a standard conversion table.._ 7 Comparison of results of the ether-extraction and the optical methods 11 Adaption of the method to plant breeding 12 Summary 13