Zhan, X Q Sensitive fluorimetric determination of formaldehyde by the co-quenching effect of formaldehyde and sulfite on the fluorescence of tetra-substituted amino aluminium phthalocyanine. [electronic resource] - The Analyst Dec 2000 - 2330-4 p. digital Publication Type: Journal Article ISSN: 0003-2654 Standard No.: 10.1039/b005432l doi