Authors: BOSQUESENDRA JM VALENCIA MC BOUDRA S

Citation: Jm. Bosquesendra et al., SPECIATION OF VANADIUM (IV) AND VANADIUM (V) WITH ERIOCHROME-CYANINE-R IN NATURAL-WATERS BY SOLID-PHASE SPECTROPHOTOMETRY, Fresenius' journal of analytical chemistry, 360(1), 1998, pp. 31-37

Authors: VALENCIA MC BOUDRA S BOSQUESENDRA JM

Citation: Mc. Valencia et al., SIMULTANEOUS DETERMINATION OF ALUMINUM AND BERYLLIUM AT THE SUBNANOGRAM PER MILLILITER LEVEL BY SOLID-PHASE DERIVATIVE SPECTROPHOTOMETRY, Analytica chimica acta, 327(1), 1996, pp. 73-82

Authors: BOUDRA S BOSQUESENDRA JM VALENCIA MC

Citation: S. Boudra et al., DETERMINATION OF VANADIUM BY SOLID-PHASE SPECTROPHOTOMETRY AFTER ITS PRECONCENTRATION AS AN ERIOCHROME-CYANINE-R COMPLEX ON A DEXTRAN-TYPE EXCHANGER, Talanta, 42(10), 1995, pp. 1525-1532

Authors: BOSQUESENDRA JM VALENCIA MC BOUDRA S

Citation: Jm. Bosquesendra et al., DETERMINATION OF TRACE AMOUNTS OF ALUMINUM IN WATER BY SOLID-PHASE SPECTROPHOTOMETRY, Analytical letters, 27(8), 1994, pp. 1579-1594

Authors: VALENCIA MC BOUDRA S BOSQUESENDRA JM

Citation: Mc. Valencia et al., DETERMINATION OF TRACE AMOUNTS OF BERYLLIUM IN WATER BY SOLID-PHASE SPECTROPHOTOMETRY, Analyst, 118(10), 1993, pp. 1333-1336