University of North Florida
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Stuart Chalk, Ph.D.
Department of Chemistry
University of North Florida
Phone: 1-904-620-1938
Fax: 1-904-620-3535
Email: schalk@unf.edu
Website: @unf

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Willem D. Basson

Abbrev:
Basson, W.D.
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Department of Chemistry, University of Pretoria, Pretoria, South Africa
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Citations 2

"High Speed Continuous-flow Analysis On A Conventional Continuous-flow Instrument"
Lab. Pract. 1977 Volume 26, Issue 7 Pages 541-545
Basson, W.D.

Abstract: A short review of factors influencing sampling rate is given and it is shown that if the magnitudes of the lag phase (L) and half-wash time (W1/2) are reduced, sampling rate could be increased considerably. By using an nonsequential stream and a high flowrate, this principle is applied to the anal. of solutions for NH4+ and P at a rate of ~200/h.
Ammonia Nitrogen Phosphorus Spectrophotometry Theory Review

"Consecutive Determination Of Nitrogen, Phosphorus And Calcium In Animal Feeds On A Single Channel Flow Injection Analyzer With A Common Analytical Manifold"
Fresenius J. Anal. Chem. 1982 Volume 311, Issue 1 Pages 23-26
W. D. Basson

Abstract: A procedure is described for the consecutive determination of N, P and Ca in animal feeds by means of a single-channel flow injection analyzer with common manifold. The sample is decomposed with K2SO4, HgO and H2SO4 and is directly injected into the system after dilution. The following reagents are employed: phenol/hypochlorite for N (protein), molybdate/ascorbic acid for P and cresolphthalein complexone/aminomethylpropanol for Ca. Comparison with the results of the Kjeldahl, vanadate and AAS methods, respectively, revealed good agreement.
Calcium Nitrogen Phosphorus Feed Spectrophotometry