Parameter

Method

Reference

Dissolved Oxygen

Winkler titration, since 1957

Methods of Seawater Analysis, K. Grasshoff 1999, chapter 4

Phosphate

Photometer (ELKO II, Zeiss), since 1957

 

 

 

Segmented Continuous Flow Analysis (SCFA), since 1979

H. Wattenberg, Critical review of the determining nutrient salts and related constituents in salt water, Cons. Perm. Intern. Explor. Mer, Rapp. Et Proc.-Verb. 103, 1937

 

Methods of Seawater Analysis, K. Grasshoff 1999, chapter 10

BRAN + LUEBBE AutoAnalyzer Method No. G-175-96 Rev. 8, since 2002

Total phosphorus

Photometer (ELKO II, Zeiss), since 1957

 

 

 

 

Segmented Continuous Flow Analysis (SCFA), since 1979

K. Kalle, Ann. d. Hydrographie 63, 1935

H. Wattenberg, Cons. Perm. Intern. Explor. Mer, Rapp. et Proc.-Verb. 103, 1937

F. Koroleff, ICES, paper C.M./C. 33, since July 1970

 

Methods of Seawater Analysis, K. Grasshoff 1999, chapter 10

Nitrite

Segmented Continuous Flow Analysis (SCFA), since 1979

Methods of Seawater Analysis, K. Grasshoff 1999, chapter 10

Nitrate

Segmented Continuous Flow Analysis (SCFA), since 1979

Methods of Seawater Analysis, K. Grasshoff 1999, chapter 10

Ammonia

Segmented Continuous Flow Analysis (SCFA), since 1979

Methods of Seawater Analysis, K. Grasshoff 1999, chapter 10

Total nitrogen

Segmented Continuous Flow Analysis (SCFA), since 1979

Methods of Seawater Analysis, K. Grasshoff 1999, chapter 10

Silicate

 

Segmented Continuous Flow Analysis (SCFA), since 1979

Methods of Seawater Analysis, K. Grasshoff 1999, chapter 10

Chlorophyll a

Photometer (ELKO II, Zeiss), since 1957

 

 

Fluorometer, since 2009

J. Krey, Die Bestimmung des Chlorophylls in Meerwasser-Schöpfproben, J. Cons. Int. Explor. Mer 14, 1939

 

Nicholas A. Welschmeyer, Fluorometric analysis of chlorophyll a in the presence of chlorophyll b and pheopigments, Limnology and Oceanography, 1994, Vol. 39(8), pp. 1985 - 1992

Total Alkalinity (TA)

Versatile Instrument for the Determination of Titration Alkaliniity (VINDTA), since 2009

Mintrop, L., F. F. Perez, M. Gonzalez-Davila, M. J. Santana-Casiano, and A. Körtzinger, 2000:

Alkalinity determination by potentiometry: Intercalibration using three different methods. Cienc. Mar., 26, 23–37

Dissolved Inorganic Carbon (DIC)

Single-Operator Multiparameter Metabolic  Analyzer (SOMMA), since 2009

Johnson, K. M., K. D. Wills, D. B. Butler, W. K. Johnson, and C. S. Wong, 1993:

Coulometric total carbon dioxide analysis for marine studies: maximizing the performance of an automated gas extraction system and coulometric detector. Mar. Chem., 44, 167–187, doi:10.1016/0304-4203(93)90201-X

Trace elements

(Cd, Co, Cu, Fe,  Ni,  Pb, Zn)

AAS, since 2012

Methods of Seawater Analysis, K. Grasshoff 1999, chapter 12