Now showing items 1-10 of 15
An investigation of the repeatability of calibration factors in gamma-ray spectrometry of geological materials
A NaI(Tl)-based gamma spectrometer for the analysis of geological materials was calibrated using the IAEA reference materials RGU-1, RGTH-1 and RGK-1. To simulate typical geological samples, two additional standards were ...
Optimization Of X-ray Fluorescence Elemental Analysis: An Example From Kenya
(University of Nairobi, 1998-07)
A systematic study and application of a radioisotope excited energy dispersive X-ray fluorescence analysis method to multi-elemental determination in Kenyan rock samples whose supporting matrices are of light elements is ...
The Paleomagnetism of Granites from Kenya
(University of Nairobi,, 1980)
New antitrypanosomal tetranotriterpenoids from Azadirachta Indica
(University of Nairobi, 1972-07)
Organic extracts of the leaves of Azadirachta indica A. Juss. yielded ten antitrypanosomal terpenoids. Three of these (1 – 3), are novel and are derivatives of nimbolide and nimbin. They were extracted from chloroform fraction ...
Trace Elements in Thermal Fluids of the Rift Valley, Kenya and its effects on Environment
(University of Nairobi,, 1993)
Magnetic and Paleomagnetic Results of Nippising diabase, Canada
(University of Nairobi,, 1971)
Structure of the Kenya rift from seismic refraction
(University of Nairobi,, 1987)
Paleomagnetic of the Still Water Complex , Beartooth Mountains, Montana, U.S.A.,
(University of Nairobi,, 1983)