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Results: 1-25 | 26-47
Results: 1-25/47
STUDY OF THE ACID-BASE PROPERTIES OF LEAF-LITTER EXTRACTS
Authors: DASILVA JCGE MACHADO AASC FERREIRA MA REY F
Citation: Jcge. Dasilva et al., STUDY OF THE ACID-BASE PROPERTIES OF LEAF-LITTER EXTRACTS, Fresenius' journal of analytical chemistry, 361(5), 1998, pp. 479-486
EFFECT OF PH ON COMPLEXATION OF FE(III) WITH FULVIC-ACIDS
Authors: DASILVA JCG MACHADO AASC OLIVEIRA CJS
Citation: Jcg. Dasilva et al., EFFECT OF PH ON COMPLEXATION OF FE(III) WITH FULVIC-ACIDS, Environmental toxicology and chemistry, 17(7), 1998, pp. 1268-1273
ACID-BASE PROPERTIES OF FULVIC-ACIDS EXTRACTED FROM AN UNTREATED SEWAGE-SLUDGE AND FROM COMPOSTED SLUDGE
Authors: DASILVA JCGE MACHADO AASC SILVA MABA
Citation: Jcge. Dasilva et al., ACID-BASE PROPERTIES OF FULVIC-ACIDS EXTRACTED FROM AN UNTREATED SEWAGE-SLUDGE AND FROM COMPOSTED SLUDGE, Water research, 32(2), 1998, pp. 441-449
UREA POTENTIOMETRIC BIOSENSOR BASED ON UREASE IMMOBILIZED ON CHITOSANMEMBRANES
Authors: MAGALHAES JMCS MACHADO AASC
Citation: Jmcs. Magalhaes et Aasc. Machado, UREA POTENTIOMETRIC BIOSENSOR BASED ON UREASE IMMOBILIZED ON CHITOSANMEMBRANES, Talanta, 47(1), 1998, pp. 183-191
FLUORESCENCE QUENCHING OF ANTHROPOGENIC FULVIC-ACIDS BY CU(II), FE(III) AND UO22+
Authors: DASILVA JCGE MACHADO AASC OLIVEIRA CJS PINTO MSSDS
Citation: Jcge. Dasilva et al., FLUORESCENCE QUENCHING OF ANTHROPOGENIC FULVIC-ACIDS BY CU(II), FE(III) AND UO22+, Talanta, 45(6), 1998, pp. 1155-1165
EFFECT OF THE PH ON THE COMPLEXATION OF CU(II), NI(II) AND FE(III) IONS BY A VINE LEAF-LITTER EXTRACT BY FLUORESCENCE QUENCHING
Authors: DASILVA JCGE HERRERO AI MACHADO AASC BARRADO E
Citation: Jcge. Dasilva et al., EFFECT OF THE PH ON THE COMPLEXATION OF CU(II), NI(II) AND FE(III) IONS BY A VINE LEAF-LITTER EXTRACT BY FLUORESCENCE QUENCHING, Mikrochimica acta (1966), 130(1-2), 1998, pp. 63-69
OPTIMIZATION OF A BIPOTENTIOMETRIC FLOW-INJECTION ANALYSIS SYSTEM FORSIMULTANEOUS DETERMINATION OF CALCIUM AND CHLORIDE-IONS IN NATURAL-WATERS
Authors: ALVARESRIBEIRO LMBC MACHADO AASC
Citation: Lmbc. Alvaresribeiro et Aasc. Machado, OPTIMIZATION OF A BIPOTENTIOMETRIC FLOW-INJECTION ANALYSIS SYSTEM FORSIMULTANEOUS DETERMINATION OF CALCIUM AND CHLORIDE-IONS IN NATURAL-WATERS, Analyst, 123(4), 1998, pp. 653-659
INFLUENCE OF SMALL ALCOHOL CONCENTRATIONS ON THE CONDUCTIMETRIC BEHAVIOR OF A NATURAL POLYELECTROLYTE (LAUREL, LAURUS NOBILIS)
Authors: REY F PEREZASENJO M MACHADO AASC FACAL P FERREIRA MA
Citation: F. Rey et al., INFLUENCE OF SMALL ALCOHOL CONCENTRATIONS ON THE CONDUCTIMETRIC BEHAVIOR OF A NATURAL POLYELECTROLYTE (LAUREL, LAURUS NOBILIS), Journal of electroanalytical chemistry [1992], 431(1), 1997, pp. 77-79
STUDY OF THE COMPLEXATION OF CU(II) BY FULVIC-ACIDS EXTRACTED FROM A SEWAGE-SLUDGE AND ITS COMPOST
Authors: DASILVA JCGE MACHADO AASC PINTO MSSDS
Citation: Jcge. Dasilva et al., STUDY OF THE COMPLEXATION OF CU(II) BY FULVIC-ACIDS EXTRACTED FROM A SEWAGE-SLUDGE AND ITS COMPOST, Fresenius' journal of analytical chemistry, 357(7), 1997, pp. 950-957
VARIATION OF THE STABILITY OF COMPLEXES OF AL(III) WITH A FULVIC-ACIDEXTRACTED FROM A HUMIC CAMBISOL SOIL IN THE PH RANGE 3 TO 5
Authors: DASILVA JCGE MACHADO AASC RAMOS MA ARCE F REY F
Citation: Jcge. Dasilva et al., VARIATION OF THE STABILITY OF COMPLEXES OF AL(III) WITH A FULVIC-ACIDEXTRACTED FROM A HUMIC CAMBISOL SOIL IN THE PH RANGE 3 TO 5, Environmental toxicology and chemistry, 16(9), 1997, pp. 1845-1850
THE COMPLEXATION OF CU(II) BY ANTHROPOGENIC FULVIC-ACIDS EXTRACTED FROM COMPOSTED URBAN AND LIVESTOCK WASTES
Authors: DASILVA JCGE MACHADO AASC PINTO MSSDS
Citation: Jcge. Dasilva et al., THE COMPLEXATION OF CU(II) BY ANTHROPOGENIC FULVIC-ACIDS EXTRACTED FROM COMPOSTED URBAN AND LIVESTOCK WASTES, Journal of environmental science and health. Part B. Pesticides, food contaminants, and agricultural wastes, 32(4), 1997, pp. 469-482
AN AUTOMATIC SYSTEM FOR DETERMINING THE EFFECTS OF TEMPERATURE ON THEHYSTERESIS CURVES OF ION-SELECTIVE ELECTRODES
Authors: MAGALHAES JMCS MACHADO AASC
Citation: Jmcs. Magalhaes et Aasc. Machado, AN AUTOMATIC SYSTEM FOR DETERMINING THE EFFECTS OF TEMPERATURE ON THEHYSTERESIS CURVES OF ION-SELECTIVE ELECTRODES, Journal of automatic chemistry, 19(2), 1997, pp. 39-44
USEFULNESS OF A RUGGEDNESS TEST IN THE VALIDATION OF FLOW-INJECTION ANALYSIS SYSTEMS
Authors: ALVARESRIBEIRO LMBC MACHADO AASC
Citation: Lmbc. Alvaresribeiro et Aasc. Machado, USEFULNESS OF A RUGGEDNESS TEST IN THE VALIDATION OF FLOW-INJECTION ANALYSIS SYSTEMS, Analytica chimica acta, 355(2-3), 1997, pp. 195-201
STUDY OF THE TEMPERATURE BEHAVIOR OF ALL-SOLID-STATE NONACTIN AMMONIUM ELECTRODES WITH PVC MEMBRANE APPLIED TO GRAPHITE-EPOXY SUPPORTS OF VARIED COMPOSITION
Authors: MAGALHAES JMCS CESPEDES F ALEGRET S MACHADO AASC
Citation: Jmcs. Magalhaes et al., STUDY OF THE TEMPERATURE BEHAVIOR OF ALL-SOLID-STATE NONACTIN AMMONIUM ELECTRODES WITH PVC MEMBRANE APPLIED TO GRAPHITE-EPOXY SUPPORTS OF VARIED COMPOSITION, Analytica chimica acta, 355(2-3), 1997, pp. 241-247
STUDY OF THE INTERACTION OF AL(III) WITH A SOIL FULVIC-ACID IN THE ACID PH RANGE BY SELF-MODELING MIXTURE ANALYSIS OF SYNCHRONOUS FLUORESCENCE SPECTRAL DATA
Authors: DASILVA JCGE MACHADO AASC OLIVEIRA CJS
Citation: Jcge. Dasilva et al., STUDY OF THE INTERACTION OF AL(III) WITH A SOIL FULVIC-ACID IN THE ACID PH RANGE BY SELF-MODELING MIXTURE ANALYSIS OF SYNCHRONOUS FLUORESCENCE SPECTRAL DATA, Analytica chimica acta, 349(1-3), 1997, pp. 23-31
PROCEDURE FOR THE CLASSIFICATION OF FULVIC-ACIDS AND SIMILAR SUBSTANCES BASED ON THE VARIATION WITH PH OF THEIR SYNCHRONOUS FLUORESCENCE-SPECTRA
Authors: DASILVA JCGE MACHADO AASC
Citation: Jcge. Dasilva et Aasc. Machado, PROCEDURE FOR THE CLASSIFICATION OF FULVIC-ACIDS AND SIMILAR SUBSTANCES BASED ON THE VARIATION WITH PH OF THEIR SYNCHRONOUS FLUORESCENCE-SPECTRA, Analyst, 122(11), 1997, pp. 1299-1305
OPTIMIZATION OF A FLOW-INJECTION DIFFERENTIAL POTENTIOMETRIC SYSTEM WITH 2 IDENTICAL ELECTRODES FOR THE DETERMINATION OF CALCIUM-ION IN WATER WITH IMPROVED SENSITIVITY
Authors: ALVARESRIBEIRO LMBC MACHADO AASC
Citation: Lmbc. Alvaresribeiro et Aasc. Machado, OPTIMIZATION OF A FLOW-INJECTION DIFFERENTIAL POTENTIOMETRIC SYSTEM WITH 2 IDENTICAL ELECTRODES FOR THE DETERMINATION OF CALCIUM-ION IN WATER WITH IMPROVED SENSITIVITY, Analyst, 122(11), 1997, pp. 1435-1443
STUDY OF THE INTERACTION OF A MARINE FULVIC-ACID WITH CU(II) AT LOW CONCENTRATION BY MOLECULAR FLUORESCENCE AND CHEMOMETRICS
Authors: DASILVA JCGE MACHADO AASC
Citation: Jcge. Dasilva et Aasc. Machado, STUDY OF THE INTERACTION OF A MARINE FULVIC-ACID WITH CU(II) AT LOW CONCENTRATION BY MOLECULAR FLUORESCENCE AND CHEMOMETRICS, Anales de quimica, 92(5), 1996, pp. 306-311
EFFECT OF THE CONCENTRATION ON THE COMPLEXATION AT COPPER[II]-ION BY A SOIL FULVIC-ACID
Authors: VASCONCELOS MTSD MACHADO AASC REY F
Citation: Mtsd. Vasconcelos et al., EFFECT OF THE CONCENTRATION ON THE COMPLEXATION AT COPPER[II]-ION BY A SOIL FULVIC-ACID, Anales de quimica, 92(4), 1996, pp. 243-248
CHARACTERIZATION OF THE BINDING-SITES FOR AL(III) AND BE(II) IN A SAMPLE OF MARINE FULVIC-ACIDS
Authors: DASILVA JCGE MACHADO AASC
Citation: Jcge. Dasilva et Aasc. Machado, CHARACTERIZATION OF THE BINDING-SITES FOR AL(III) AND BE(II) IN A SAMPLE OF MARINE FULVIC-ACIDS, Marine chemistry, 54(3-4), 1996, pp. 293-302
MONITORING OF MOLECULAR-TRANSFORMATIONS IN ACID-BASE REACTIONS BY EVOLVING FACTOR-ANALYSIS OF FOURIER-TRANSFORM INFRARED-SPECTRA DATA
Authors: DASILVA JCG MACHADO AASC OLIVEIRA CJS
Citation: Jcg. Dasilva et al., MONITORING OF MOLECULAR-TRANSFORMATIONS IN ACID-BASE REACTIONS BY EVOLVING FACTOR-ANALYSIS OF FOURIER-TRANSFORM INFRARED-SPECTRA DATA, Talanta, 43(9), 1996, pp. 1443-1456
QUANTITATIVE STUDY OF BE(II) COMPLEXATION BY SOIL FULVIC-ACIDS BY MOLECULAR FLUORESCENCE SPECTROSCOPY
Authors: DASILVA JCGE MACHADO AASC RAMOS MA ARCE F REY F
Citation: Jcge. Dasilva et al., QUANTITATIVE STUDY OF BE(II) COMPLEXATION BY SOIL FULVIC-ACIDS BY MOLECULAR FLUORESCENCE SPECTROSCOPY, Environmental science & technology, 30(11), 1996, pp. 3155-3160
EFFECT OF CONCENTRATION, PH, AND IONIC-STRENGTH ON THE VISCOSITY OF SOLUTIONS OF A SOIL FULVIC-ACID
Authors: REY F FERREIRA MA FACAL P MACHADO AASC
Citation: F. Rey et al., EFFECT OF CONCENTRATION, PH, AND IONIC-STRENGTH ON THE VISCOSITY OF SOLUTIONS OF A SOIL FULVIC-ACID, Canadian journal of chemistry, 74(3), 1996, pp. 295-299
INTERACTION OF FULVIC-ACIDS WITH AL(III) STUDIED BY SELF-MODELING CURVE RESOLUTION OF 2ND-DERIVATIVE SYNCHRONOUS FLUORESCENCE-SPECTRA
Authors: DASILVA JCGE MACHADO AASC
Citation: Jcge. Dasilva et Aasc. Machado, INTERACTION OF FULVIC-ACIDS WITH AL(III) STUDIED BY SELF-MODELING CURVE RESOLUTION OF 2ND-DERIVATIVE SYNCHRONOUS FLUORESCENCE-SPECTRA, Applied spectroscopy, 50(4), 1996, pp. 436-443
CLASSIFICATION OF BINDING-SITES FOR AL(III) IN FULVIC-ACIDS EXTRACTEDFROM LEAF LITTERS AND SOILS BY SYNCHRONOUS FLUORESCENCE SPECTROSCOPY AND MULTIDIMENSIONAL CHEMOMETRIC ANALYSIS
Authors: DASILVA JCGE FERREIRA MA MACHADO AASC REY F
Citation: Jcge. Dasilva et al., CLASSIFICATION OF BINDING-SITES FOR AL(III) IN FULVIC-ACIDS EXTRACTEDFROM LEAF LITTERS AND SOILS BY SYNCHRONOUS FLUORESCENCE SPECTROSCOPY AND MULTIDIMENSIONAL CHEMOMETRIC ANALYSIS, Analytica chimica acta, 333(1-2), 1996, pp. 71-82
Risultati: 1-25 | 26-47