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Rapid determination of milligram amounts of uranium in organic complexes with pyridine-2,6-dicarboxylic acid as titrant and arzenazo I as indicator after oxygen-flask combustion.

Celon, E; Degetto, S; Marangoni, G; Baracco, L.

Talanta ; 26(2): 160-2, 1979 Feb.

Article in English | MEDLINE | ID: mdl-18962403

ABSTRACT

A method is described which allows the determination of uranium in organic complexes following decomposition by the oxygen-flask procedure. Uranium is quantitatively determined by a direct titration with 0.01M pyridine-2,6-dicarboxylic acid, arsenazo I being used as the indicator. The end-point is sharp and the equilibrium is rapidly attained, so the titration can be carried out rapidly. The method is simple, rapid and highly reproducible.

[Influence of diazepam on arterial blood pressure behavior and urinary elimination of epinephrine and norepinephrine under stress conditions in stabilized essential hypertension]. / Influenza del Diazepam sul contegno della pressione arteriosa e sulla eliminazione urinaria di adrenalina e di noradrenalina in situazione di stress nella ipertensione essenziale stabilizzata

D'Amelio, G; Dalla Volta, S; Celon, E.

Minerva Med ; 65(45): 2459-62, 1974 Jun 13.

Article in Italian | MEDLINE | ID: mdl-4845655

Subject(s)

Blood Pressure/drug effects , Diazepam/therapeutic use , Epinephrine/urine , Hypertension/drug therapy , Norepinephrine/urine , Stress, Physiological/urine , Adult , Diazepam/administration & dosage , Drug Evaluation , Female , Humans , Hypertension/physiopathology , Hypertension/urine , Male , Middle Aged , Stress, Physiological/physiopathology

On the use of aluminum capsules in the microdetermination of carbon and hydrogen in highly air-sensitive solid compounds.

Celon, E.

Farmaco Sci ; 27(10): 893-6, 1972 Oct.

Article in English | MEDLINE | ID: mdl-5085739

Subject(s)

Carbon/analysis , Hydrogen/analysis , Aluminum , Atmosphere , Drug Stability , Humidity , Indicators and Reagents , Microchemistry

[Relationship between urinary volume and the excretion of adrenaline and noradrenaline]. / Correlazioni tra volume urinario ed eliminazione di adrenalina e noradrenalina.

Celon, E; Menozzi, L; Furlanello, F; D'Amelio, G.

Minerva Med ; 63(51): 2765-7, 1972 Jul 04.

Article in Italian | MEDLINE | ID: mdl-5048432

Subject(s)

Diuresis , Epinephrine/urine , Norepinephrine/urine , Adolescent , Adult , Aged , Catecholamines/urine , Chromaffin System/physiology , Circadian Rhythm , Fluorometry , Humans , Hypertension/urine , Middle Aged , Secretory Rate , Stress, Physiological/urine

Detection and quantitative micro-determination of nitro-2-pyridyl amino acids by thin-layer chromatography on precoated sheets.

Celon, E; Biondi, L; Bordignon, E.

J Chromatogr ; 35(1): 47-52, 1968 May 21.

Article in English | MEDLINE | ID: mdl-5656427

Subject(s)

Amino Acids/analysis , Chromatography, Thin Layer , Methods , Microchemistry , Spectrophotometry

Chromatographic behaviour of ureas, thioureas, biuret derivatives and related compounds.

Di Bello, C; Celon, E.

J Chromatogr ; 31(1): 77-81, 1967 Nov.

Article in English | MEDLINE | ID: mdl-5585801

Subject(s)

Heterocyclic Compounds/analysis , Thiourea/analysis , Urea/analysis , Chemical Phenomena , Chemistry , Chromatography

[Urinary elimination of adrenaline and noradrenaline in essential arterial hypertension]. / Eliminazione urinaria dell'adrenalina e nor-adrenalina nell'ipertensione arteriosa essenziale.

D'Amelio, G; Celon, E P.

Minerva Med ; 57(59): 2623-7, 1966 Jul 28.

Article in Italian | MEDLINE | ID: mdl-5942382

Subject(s)

Dysautonomia, Familial , Epinephrine , Hypertension/physiopathology , Norepinephrine , Humans , Urine

[Changes in urinary elimination of catecholamines, 17-hydroxycorticoids and 17-ketosteroids in stress caused by vestibular stimulation]. / Modificazioni della eliminazione urinaria delle catecolamine dei 17-idrossicorticoidi e dei 17-chetosteroidi, nello stress da stimolazione vestibolare.

D'Amelio, G; Marchiori, C; Usonera, G; Celon, E.

Endocrinol Sci Cost ; 29(1): 57-63, 1966.

Article in Italian | MEDLINE | ID: mdl-5989592

Subject(s)

17-Hydroxycorticosteroids/urine , 17-Ketosteroids/urine , Catecholamines/urine , Ear, Inner/innervation , Stress, Physiological/physiopathology , Vestibular Function Tests , Adolescent , Adult , Humans

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