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Dissolved humic substances: A major source of error in fluorometric analyses involving lake waters 1
Author(s) -
Carlson Robert E.,
Shapiro Joseph
Publication year - 1981
Publication title -
limnology and oceanography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.7
H-Index - 197
eISSN - 1939-5590
pISSN - 0024-3590
DOI - 10.4319/lo.1981.26.4.0785
Subject(s) - fluorescence , dcmu , environmental chemistry , chlorophyll a , dissolved organic carbon , chlorophyll , environmental science , chemistry , chlorophyll fluorescence , photosynthesis , biochemistry , photosystem ii , organic chemistry , physics , quantum mechanics
Dissolved humic substances in lake waters fluoresce strongly and may cause a substantial proportion of the fluorescence usually ascribed to in vivo chlorophyll. Chlorophyll measurements and other allied measurements such as DCMU‐enhanced fluorescence may thus be in serious error.