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Determination of formaldehyde in air by flow injection using pararosaniline and spectrophotometric detection

✍ Scribed by Mu�oz, Mar�a Pedrero; de Villena Rueda, F. Javier Manuel; D�ez, Luis M. Polo

Book ID
119972087
Publisher
Royal Society of Chemistry
Year
1989
Tongue
English
Weight
430 KB
Volume
114
Category
Article
ISSN
0003-2654

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✍ A. Safavi; A.A. Ensafi 📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 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