Authors: SCHMITTKOPPLIN P FISCHER K FREITAG D KETTRUP A

Citation: P. Schmittkopplin et al., CAPILLARY ELECTROPHORESIS FOR THE SIMULTANEOUS SEPARATION OF SELECTEDCARBOXYLATED CARBOHYDRATES AND THEIR RELATED 1,4-LACTONES, Journal of chromatography, 807(1), 1998, pp. 89-100

Authors: SCHMITTKOPPLIN P GARRISON AW PERDUE EM FREITAG D KETTRUP A

Citation: P. Schmittkopplin et al., CAPILLARY ELECTROPHORESIS IN THE ANALYSIS OF HUMIC SUBSTANCES - FACTSAND ARTIFACTS, Journal of chromatography, 807(1), 1998, pp. 101-109

Authors: AKIM LG SCHMITTKOPPLIN P BAILEY GW

Citation: Lg. Akim et al., REDUCTIVE SPLITTING OF HUMIC SUBSTANCES WITH DRY HYDROGEN IODIDE, Organic geochemistry, 28(5), 1998, pp. 325-336

Authors: SCHMITTKOPPLIN P HERTKORN N SCHULTEN HR KETTRUP A

Citation: P. Schmittkopplin et al., STRUCTURAL-CHANGES IN A DISSOLVED SOIL HUMIC-ACID DURING PHOTOCHEMICAL DEGRADATION PROCESSES UNDER O-2 AND N-2 ATMOSPHERE, Environmental science & technology, 32(17), 1998, pp. 2531-2541

Authors: SCHMITTKOPPLIN P HERTKORN N GARRISON AW FREITAG D KETTRUP A

Citation: P. Schmittkopplin et al., INFLUENCE OF BORATE BUFFERS ON THE ELECTROPHORETIC BEHAVIOR OF HUMIC SUBSTANCES IN CAPILLARY-ZONE-ELECTROPHORESIS, Analytical chemistry (Washington), 70(18), 1998, pp. 3798-3808