Robert A. Simons

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An automated routine method was developed for the determination of trace metals using a flow injection system into a direct current plasma spectrometer. The characteristic emission in the 'Spectra- Metrics' three-electrode jet is channelled through an echelle grating to the detector of the instrument. The emission signal is continuously recorded, and, after(More)
In plant cell suspension cultures, the fastest growing cell type will eventually dominate the culture. This selection process is often proposed as the mechanism by which cultures become habituated to stressful conditions. Equations which model the selection hypothesis predict a sinusoidal transition from sensitive to tolerant cells. Culture growth during(More)
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