Authors: KOPPEN B SPLIID NH

Citation: B. Koppen et Nh. Spliid, DETERMINATION OF ACIDIC HERBICIDES USING LIQUID-CHROMATOGRAPHY WITH PNEUMATICALLY ASSISTED ELECTROSPRAY-IONIZATION MASS-SPECTROMETRIC AND TANDEM MASS-SPECTROMETRIC DETECTION, Journal of chromatography, 803(1-2), 1998, pp. 157-168

Authors: BOSSI R KOPPEN B SPLIID NH STREIBIG JC

Citation: R. Bossi et al., ANALYSIS OF SULFONYLUREA HERBICIDES IN SOIL-WATER AT SUB-PART-PER-BILLION LEVELS BY ELECTROSPRAY NEGATIVE IONIZATION MASS-SPECTROMETRY FOLLOWED BY CONFIRMATORY TANDEM MASS-SPECTROMETRY, Journal of AOAC International, 81(4), 1998, pp. 775-784

Authors: SPLIID NH KOPPEN B

Citation: Nh. Spliid et B. Koppen, OCCURRENCE OF PESTICIDES IN DANISH SHALLOW GROUND-WATER, Chemosphere (Oxford), 37(7), 1998, pp. 1307-1316

Authors: KOPPEN B

Citation: B. Koppen, DETERMINATION OF ETHEPHON IN PESTICIDE FORMULATIONS BY HEADSPACE GAS-CHROMATOGRAPHY, Journal of AOAC International, 80(2), 1997, pp. 289-293

Authors: SPLIID NH KOPPEN B

Citation: Nh. Spliid et B. Koppen, DETERMINATION OF POLAR PESTICIDES IN-GROUND WATER USING LIQUID-CHROMATOGRAPHY MASS-SPECTROMETRY WITH ATMOSPHERIC-PRESSURE CHEMICAL-IONIZATION, Journal of chromatography, 736(1-2), 1996, pp. 105-114

Authors: KOPPEN B

Citation: B. Koppen, LIQUID-CHROMATOGRAPHIC DETERMINATION OF PYRETHROIDS AS ACTIVE INGREDIENTS IN PESTICIDE FORMULATIONS, Journal of AOAC International, 77(4), 1994, pp. 810-814