Payne B, Galton D J, Moul D J
Experientia. 1979 Mar 15;35(3):424-5. doi: 10.1007/BF01964389.
A fast simple method for assay of total blood lipids has been devised by precipitating blood proteins with methanol and extracting lipids into diethyl ether. The change in refractive index of the methanol-ether due to dissolved lipids is measured in a refractometer.