You are looking for
Fluorimetric determination of mercury with a water-soluble porphyrin and porphyrin-doped sol-gel films
Author:
Plaschke, M.
Journal:
Analytica chimica acta
ISSN:
0003-2670
Date:
03/1995
Volume:
304
Issue:
1
Page:
107-113
DOI:
10.1016/0003-2670(94)00568-7