Methods for the sampling and analysis of indoor air, Method 6: Determination of formaldehyde – Impinger sampling – Chromotropic acid method

Published by	Publication Date	Number of Pages
AS	09/05/1995		6

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AS 2365.6 – Methods for the sampling and analysis of indoor air, Method 6: Determination of formaldehyde – Impinger sampling – Chromotropic acid method

Sets out a spectrophotometric method for the determination of formaldehyde in indoor air using impinger collection. This method is applicable to indoor air in which the expected formaldehyde concentration is within the range of 0.01 ppm to 1 ppm. Sampling periods of 1 h to 4 h are normally used.