"Development of Colorimetric Type Passive Flux Sampler for Formaldehyde" 

Naohide Shinohara¹, Akiko Kidani², Takuo Kobayashi², Tomio Uchi², Seiji Ochiai³, Minoru Fujii⁴, Nobuo Nakano⁵, Yukio Yanagisawa³

¹National Institute of Advanced Industrial Science and Technology 
²Fukuwauchi Technologies Inc.
³The University of Tokyo
⁴National Institute for Environmental Studies
⁵Riken Keiki CO., LTD.

Indoor Air 2005 (Beijing 2005/9/6)

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Abstract

Colorimetric type of passive flux sampler (CPFS) was developed to find out the emission source of formaldehyde in the indoor environment; i.e. wall, flooring, closet, desk, etc. The sampler consists of a polyethylene terephthalate (PET) body and a test paper which turns into red by enzyme reaction in the presence of formaldehyde. At the beginning of sampling, this CPFS is placed on each of the indoor material and 30 minutes after then, the coloration can be measured by handy spectrophotometer.  

Keywords

Flux measurement, Colorimetric, Emission source, Formaldehyde, Enzyme