The Baltic Sea Research Institute Warnemuende performs nutrient analys
is in the frame of HELCOM over a long period of time. Since 1993, manu
al methods and an autoanalyser system have been used alternatively. Ex
amples are given that show that both methods provide comparable result
s under the complicated conditions in the Baltic Sea. (C) 1997 Publish
ed by Elsevier Science Ltd. All rights reserved.