abstract |
An immersion oil for use in microscopy having a high refractive index and a high principal dispersion factor without the inclusion of polychlorinated biphenyls (PCB's) and terpenyls. The immersion oil being a mixture of a low molecular weight hydrocarbon resin diphenyl isodecyl phosphite, and one or more of polybutylene, mineral oil, and trilauryl trithio phosphite. |