Four-rod carbon rod atomizer

1982 ◽  
Vol 54 (9) ◽  
pp. 1659-1663 ◽  
Author(s):  
Darryl D. Siemer
Keyword(s):  
Carbon Rod Atomizer

Biological Applications of the Carbon Rod Atomizer in Atomic Absorption Spectroscopy. 2. Determination of Copper in Small Samples of Tissue

1972 ◽  
Vol 18 (11) ◽  
pp. 1379-1384 ◽  
Author(s):  
Brian J Stevens
Keyword(s):  
Neutron Activation Analysis ◽  
Atomic Absorption ◽  
Copper Content ◽  
Simple Technique ◽  
Small Samples ◽  
Biological Applications ◽  
Flame Atomic Absorption ◽  
Determination Of Copper ◽  
Carbon Rod Atomizer

Abstract A simple technique is presented for the analysis for copper in small fragments of tissue. Dissolution of the tissue in concentrated nitric acid is the only preparative step required. Copper content is then determined by comparison with standards, by using the carbon rod atomizer previously described. Sample volumes of less than 2 µl are used for each measurement. The method gives results that compare well with both colorimetric and flame atomic absorption methods, and also with neutron activation analysis, and appears to be applicable to the analysis of other metals in tissue.

Carbon Rod Atomizer Applied to Measurement of Lead in Whole Blood by Atomic Absorption Spectrophotometry

1972 ◽  
Vol 18 (5) ◽  
pp. 410-412 ◽  
Author(s):  
N P Kubasik ◽  
M T Volosin ◽  
M H Murray
Keyword(s):  
Atomic Absorption ◽  
Whole Blood ◽  
Atomic Absorption Spectrophotometry ◽  
Rapid Analysis ◽  
Small Sample ◽  
Absorption Method ◽  
Lead In Blood ◽  
Absorption Spectrophotometry ◽  
Carbon Rod Atomizer ◽  
Whole Blood Sample

Abstract An atomic absorption method is described for determining lead in blood by means of the carbon rod atomizer. With the procedure, only a dilution of the whole blood sample is required, and results are comparable to those obtained by the more generally used atomic absorption flame technique. Advantages of the carbon rod include rapid analysis, simple sample preparation, and small sample volumes.

A High Speed Method of Continuous Background Correction in Atomic Absorption Spectrometry. III. Direct Determination of Trace Metals in Sea Water Using the Varian Techtron Carbon Rod Atomizer Model 63

1975 ◽  
Vol 29 (2) ◽  
pp. 158-163 ◽  
Author(s):  
T. H. Donnelly ◽  
J. Ferguson ◽  
A. J. Eccleston
Keyword(s):  
Atomic Absorption Spectrometry ◽  
Atomic Absorption ◽  
Sea Water ◽  
Direct Method ◽  
Direct Determination ◽  
Absorption Spectrometry ◽  
Background Correction ◽  
Flame Atomic Absorption ◽  
Carbon Rod Atomizer

A newly developed method of background correction for atomic absorption spectrometry combined with the Varian Techtron carbon rod atomizer, model 63, has been applied to the direct determination of Pb, Zn, Fe, Cu, Ni, Co, and Cd in sea water. The background-corrected absorption measurements are reproducible and have a linear relationship to increasing additions of the metal over the ranges examined for the direct determination of metals in sea water. The values are comparable to those obtained by the accepted ammonium tetramethylenedithiocarbamate-methyl isobutyl ketone flame atomic absorption spectrometry method, within the limits of precision expected. However, except for Fe and Zn, the method is not sensitive enough to allow measurements at the lower concentration ranges of the metals in sea water. The direct method is a rapid technique for analyzing marine waters enriched in metals.

Use of the Carbon Rod Atomizer for Analysis of Lead in Blood: Three Methods Compared

1975 ◽  
Vol 21 (13) ◽  
pp. 1986-1987 ◽  
Author(s):  
Michael T Volosin ◽  
Norman P Kubasik ◽  
Harrison E Sine
Keyword(s):  
Whole Blood ◽  
Extraction Procedure ◽  
Surfactant Solution ◽  
Direct Analysis ◽  
Atomic Absorption Spectrophotometry ◽  
Matrix Composition ◽  
Dilution Method ◽  
Precision Data ◽  
Coefficients Of Variation ◽  
Carbon Rod Atomizer

Abstract Measurement of lead in whole blood by use of the carbon rod atomizer and atomic absorption spectrophotometry was investigated for three methods: (a) a simple dilution (one volume of whole blood to two volumes of surfactant solution; (b) direct analysis of whole blood (no sample preparation); and (c) a standard chelation extraction procedure in which sodium diethyldithiocarbamate and methyl isobutyl ketone (isopropylacetone) are used. Within-run precision data for normal and abovenormal pools favored the Triton dilution method, for which coefficients of variation were less than 5%. Recoveries of added lead ranged from 94-107% for all three methods. We saw no change in the standard curves for any of the procedures on addition of ethylenediaminetetraacetate to samples. The method of additions was necessary to prepare standards of a matrix composition identical to that of the unknowns.

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