Separate aliquots of the homogenate were either freeze-dried for the analysis of carbon and nitrogen contents or digestedwithHNO3 (4.57Mfinal concentration) for MMHg determination. MMHg was measured by flow-injection gaschromatographic.
Separate aliquots of the homogenate were either freeze-dried for the analysis of carbon and nitrogen contents or digestedwithHNO3 (4.57Mfinal concentration) for MMHg determination. MMHg was measured by flow-injection gaschromatographic.