Ten n-paraffin hydrocarbons covering a molecular weight range of 72 to 900 were prepared by conventional synthetic methods. Most of the preparations were of high purity and their freezing points, refractive indices and densities (the last over the temperature range-10 to 300") were carefully determined as criteria of their purity. The viscosities of the hydrocarbons were measured with great precision from-10 to 300" for the purpose of testing the validity ...
