Chlorophyll Determination SUMMARY: Chlorophyll a is extracted in an acetone solution. Chlorophyll and phaeopigments are then measured fluorometrically using an acidification technique. 1. Principle Seawater samples of a known volume…

DISSOLVED OXYGEN   SUMMARY: The amount of dissolved oxygen in seawater is measured using the Carpenter modification of the Winkler method. Carpenters modification (1965) was designed to increase the accuracy…