Vallejo-Pecharroman, B.; Izquierdo-Reina, A.; Luque de Castro, M. D.. Flow injection determination of chemical oxygen demand in leaching liquid. Analyst (Cambridge, United Kingdom) (1999), 124(8), 1261-1264.

Jimenez-Carmona, M. M.; Fernandez-Perez, V.; Gualda-Bueno, M. J.; Cabanas-Espejo, J. M.; Luque de Castro, M. D.. Acidified subcritical water extraction of major ash-forming elements from coal. Analytica Chimica Acta (1999), 395(1-2), 113-118.

Gamiz-Gracia, L.; Luque de Castro, M. D.. Determination of formaldehyde in liquid, solid and semisolid pharmaceuticals and cosmetics by flow injection-pervaporation. Analyst (Cambridge, United Kingdom) (1999), 124(7), 1119-1121.

Amador-Hernandez, J.; Fernandez-Romero, J. M.; Ramis-Ramos, G.; Luque de Castro, M. D.. Monitoring supercritical fluid extraction by thermal lens spectrometry with pulsed laser excitation. Analytica Chimica Acta (1999), 390(1-3), 163-173.

Sulistyarti, Hermin; Cardwell, Terence J.; Luque de Castro, M. D.; Kolev, Spas D. On-line determination of cyanide in the presence of sulfide by flow injection with pervaporation. Analytica Chimica Acta (1999), 390(1-3), 133-139.

Garcia-Ayuso, L. E.; Velasco, J.; Dobarganes, M. C.; Luque de Castro, M. D.. Accelerated Extraction of the Fat Content in Cheese Using a Focused Microwave-Assisted Soxhlet Device. Journal of Agricultural and Food Chemistry (1999), 47(6), 2308-2315.

Luque de Castro, M. D.; Fernaindez-Romero, J. M.; Ortiz-Boyer, F.; Quesada, J. M. Determination of vitamin D3 metabolites: state-of-the-art and trends. Journal of Pharmaceutical and Biomedical Analysis (1999), 20(1-2), 1-17.

Gamiz-Gracia, L.; Velasco-Arjona, A.; Luque de Castro, M. D.. Fully automated determination of vitamins A and E in milk-based products using a robotic station-HPLC arrangement. Analyst (Cambridge, United Kingdom) (1999), 124(5), 801-804.

Luque de Castro, M. D.; Velasco-arjona, A. Towards the most rational use of robotics within the overall analytical process. Analytica Chimica Acta (1999), 384(2), 117-125.

Garcia-Ayuso, L. E.; Luque de Castro, M. D.. A comparative study between chromatography and other techniques for quantification of triglycerides and fatty acids in dairy products. Seminars in Food Analysis (1999), 4(1), 39-52.

Ortiz Boyer, F.; Fernandez Romero, J. M.; Luque de Castro, M. D.; Quesada, J. M. Determination of vitamins D2, D3, K1 and K3 and some hydroxy metabolites of vitamin D3 in plasma using a continuous clean-up-preconcentration procedure coupled online with liquid chromatography-UV detection. Analyst (Cambridge, United Kingdom) (1999), 124(3), 401-406.

Garcia-Ayuso, L. E.; Luque de Castro, M. D.. A multivariate study of the performance of a microwave-assisted Soxhlet extractor for olive seeds. Analytica Chimica Acta (1999), 382(3), 309-316.