Clinical Chemistry
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Clinical Chemistry 24: 344-347, 1978;
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Clinical Chemistry, Vol 24, 344-347, Copyright © 1978 by American Association for Clinical Chemistry

High-speed automated atomic absorption spectrophotometry

CH McMurray and WJ Blanchflower

We describe an integrated automated system for the atomic absorption spectrophotometer. The system makes use of a light-dependent resistor to detect the presence of a marker ion which is present along with the sample ion in the flame. An electronic circuit has been developed which enables the marker ion to trigger the read signal of the spectrophotometer. The system has been tested by determining magnesium and calcium in serum. Alternative modes of operation and different potential applications are discussed.




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Copyright © 1978 by the American Association for Clinical Chemistry.