Flow-injection determination of traces o
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A. Safavi; A.A. Ensafi
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Article
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1991
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Elsevier Science
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English
β 554 KB
A flow-injection system is proposed for the rapid determination of trace amounts of formaldehyde based on its inhibition of the Brilliant Green-suiphite reaction at pI1 7. Formaldehyde in the range 40-3000 ng ml-' can be determined at a rate of 35 f 5 samples h -I. The limit of detection was 20 ng m