Mataix, E.; Luque de Castro, M. D.. Sequential determination of total and volatile acidity in wines based on a flow injection-pervaporation approach. Analytica Chimica Acta (1999), 381(1), 23-28.

Vallejo B; Munoz R; Izquierdo A; Luque de Castro M D Cement for stabilisation of industrial residues containing heavy metals. Journal of environmental monitoring : JEM (1999 Dec), 1(6), 563-8.

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 Jun), 47(6), 2308-15.

Gamiz-Gracia L; Luque de Castro M D Determination of formaldehyde in liquid, solid and semisolid pharmaceuticals and cosmetics by flow injection-pervaporation. Analyst (1999 Jul), 124(7), 1119-21.

Luque de Castro M D; Fernandez-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 Jun), 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 (1999 May), 124(5), 801-4.

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 on-line with liquid chromatography-UV detection. Analyst (1999 Mar), 124(3), 401-6.

Jimenez-Carmona M M; Ubera J L; Luque de Castro M D Comparison of continuous subcritical water extraction and hydrodistillation of marjoram essential oil. Journal of chromatography. A (1999 Sep 10), 855(2), 625-32.