| abstract |
An "in situ" detection device for formaldehyde in the gas phase, comprising the reagents: - a primary beta-arylethylamine having alkoxy groups, hydroxyl groups or combinations of both in positions 3 and 4, - an amino acid glycine and - a reducing sugar arranged on a support of a material, selected from paper, a hydrophobic polymer, a hydrophilic polymer, metal, glass and plastic. |