Determination of total nitrogen in seawater by spectrophotometric/PLS regression method in UV region and ion chromatographic method after oxidative digestion with potassium peroxodisulfate in alkaline medium

Bunseki Kagaku

Volumn 53, Issue 12, 2004, Pages 1455-1461

  Hashida, Gou ^a   Yokoyama, Yukio ^a   Sato, Hisakuni ^a  

^a YOKOHAMA NATIONAL UNIVERSITY   (Japan)

Author keywords

Anion chromatography; Peroxodisulfate digestion in borate buffer; PLS regression; Total nitrogen in seawater and brackish water; Ultravioret absorption spectrum

Indexed keywords

ALKALI; ALUMINUM; BORIC ACID; BROMATE; BROMIDE; BUFFER; NITRITE; NITROGEN; PEROXYDISULFATE POTASSIUM; SEA WATER;

ABSORPTION SPECTROSCOPY; ANION EXCHANGE; ANION EXCHANGE CHROMATOGRAPHY; ARTICLE; CALIBRATION; CONCENTRATION (PARAMETERS); DIGESTION; DISSOLUTION; HEATING; ION PAIR CHROMATOGRAPHY; OXIDATION; REGRESSION ANALYSIS; SIMULATION; SPECTROPHOTOMETRY; ULTRAVIOLET SPECTROPHOTOMETRY; WATER ANALYSIS; WATER SAMPLING;

EID: 13844265991     PISSN: 05251931     EISSN: None     Source Type: Journal    
DOI: 10.2116/bunsekikagaku.53.1455     Document Type: Article

References (11)

1. ISO 11905-1 "Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate" (1997).
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3. M. Adams: "Chemometrics in Analytical Spectroscopy", (1995), (The Royal Society).
4. (Bunseki), 2002, 168.
5. F. Koroleff: "Determination of total nitrogen after persulfate oxidation" in "Methods of seawater analysis", Edited by K. Grasshoff, M. Ehrhardt, K. Kremling, 2nd. ed., (1983), (Verlag Chemie, Weinheim).
6. F. Nydahl: Water Research, 12, 1123 (1978).