J. Turkstra

The quantitative analysis of sixteen elements in normal human enamel and dentine by neutron activation analysis and high-resolution gamma-spectrometry

D.H. Retief, Peter Cleaton‐Jones, J. Turkstra et al. · Archives of Oral Biology · 1971 · 79 citations

Normal Human Enamel, Sixteen Elements, Oral Cavity +6

Nondestructive determination of platinum metals in ores, matte, and lead assay beads by reactor activation analysis and high resolution gamma spectrometry

J. Turkstra, P.J. Pretorius, W.J. De Wet · Analytical Chemistry · 1970 · 19 citations

Engineering, Reactor Activation Analysis, Platinum Metals +18

The influence of seasonal changes in the concentration of trace elements in liver tissue of various wild animals determined by instrumental neutron activation analysis

J. Turkstra, A. M. Harthoorn, P.J.L. Beukes et al. · Journal of Radioanalytical and Nuclear Chemistry · 1977 · 15 citations

Animal Physiology, Trace Element Geochemistry, Animal Science +12

Nondestructive neutron activation analysis of small samples of Witwatersrand ore for gold

Peter Lange, W.J. De Wet, J. Turkstra et al. · Analytical Chemistry · 1968 · 13 citations

Ore Exploration, Engineering, Nuclear Data +17

Simultaneous determination of palladium, platinum and rhodium in crude platinum samples by activation analysis and high-resolution gamma spectrometry

J. Turkstra · Talanta · 1969 · 12 citations

Chemical Engineering, Engineering, Spectroscopy +10