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Journal of Liquid Chromatography & Related Technologies Volume 23, 2000 - Issue 20
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Original Articles

SIMULTANEOUS DETERMINATION OF THE CYANOTOXINS ANATOXIN A, MICROCYSTIN DESMETHYL-3-RR, LR, RR AND YR IN WATER USING LIQUID CHROMATOGRAPHY-MASS SPECTROMETRY

Victor Hormazábal Division of Food Hygiene, The Norwegian School of Veterinary Science, P.O. Box 8146-Dep., N-0033, Oslo 1, Norway
,
Øyvin Østensvik Division of Food Hygiene, The Norwegian School of Veterinary Science, P.O. Box 8146-Dep., N-0033, Oslo 1, Norway
,
Bjarne Underdal Division of Food Hygiene, The Norwegian School of Veterinary Science, P.O. Box 8146-Dep., N-0033, Oslo 1, Norway
&
Olav M. Skulberg Norwegian Institute for Water Research, P.O. Box 173 Kjelsås, N-0411, Oslo, Norway
Pages 3155-3164 | Received 10 Jun 2000, Accepted 04 Jul 2000, Published online: 02 Nov 2011
 
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Abstract

A liquid chromatographic-atmospheric pressure ionization ion spray method for the determination of anatoxin-a, microcystin desmethyl-3-RR, LR, RR and YR in water, is described. The method involves no sample pre-filtration to separate cyanobacteria from the water. The water sample was added to sodium 1-heptanesulfonate and cleaned-up using LMS solid phase extraction columns. The method is simple, specific, and requires small quantities of chemical reagents. The lower limits of quantification were 0.4 μg/L for anatoxin-a, microcystin desmethyl-3-RR and RR, and 0.5 μg/L for LR and YR.

ACKNOWLEDGEMENT

We are grateful to Dr. Hans Utkilen, National Institute of Public Health, for providing the D-3 standard.

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