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  1. No Access

    Article

    Fermentation alcoolique

    The control of alcoholic fermentation is necessary to obtain a quality wine.

    N. Chiaramonti, B. Khoumeri, N. Balbi, J. H. Balbi in Journal of thermal analysis (1997)

  2. No Access

    Article

    Diagramme de phases du systeme binaire LiNO3-NaNO3

    Phase diagram of the binary system LiNO3-NaNO3 has been obtained by using direct and differential thermal analysis between 323 and 623 K. This system is characterized by an eutectic plateau at 467 K. The eutectic...

    N. Bélaïd-Drira, H. Zamali, M. Jemal in Journal of thermal analysis (1996)

  3. No Access

    Article

    Etude a 25°C du diagramme de solubilite constitue a partir des ions K+, Ca2+, H+/ SO 4 2− , PO 4 3− , OH−, H2O

    The aim of the study was to investigate the solubility properties of the phosphogypsum a sideproduct of phosphor industry. Phase diagrams of potassium, calcium, hydrogen phosphates, sulphates and water are pre...

    Mme N. Guerfel, Mr. M. Dogguy in Journal of thermal analysis (1996)

  4. No Access

    Article

    Modelisation de la dynamique de fermentation alcoolique

    The control of the alcoholic fermentation is necessary to obtain a wine having good organoleptic properties.

    N. Balbi, J. H. Balbi, N. Chiaramonti, B. Khoumeri in Journal of thermal analysis (1995)

  5. No Access

    Article

    Etude du diagramme d’equilibre du systeme NaPO3−Pr(PO3)3

    The NaPO3−Pr(PO3)3 system was studied by microdifferential thermal analysis (DTA), IR and X-ray diffraction spectroscopies. The only new compound observed in the system is NaPr(PO3)4, which melts incongruently at...

    M. Férid, D. Ben Hassen-Chehimi, N. Kbir-Ariguib… in Journal of thermal analysis (1994)

  6. No Access

    Article

    Modele dynamique a coefficients variables de la reaction acide acetique — triethylamine

    The reaction of acid-triethylamin in liquid phase is known. The study has been carried out in classical calorimetry (Tian-Calvet) and the enthalpy is determined. This work is accomplished in dynamycal model wi...

    J. H. Balbi, N. Balbi in Journal of thermal analysis (1990)

  7. No Access

    Article

    Etude de la transition de phase du compose Sb.405Te.595 entre 630 K et 665 K

    The present study was performed in an attempt to confirm the existence of the Sb.405Te.595 phase transition by employing drop calorimetric method and high temperature X-ray diffractometry. Heat capacity of Sb.405

    Y. Feutelais, N. B. Chanh, B. Legendre, J. R. Didry in Journal of thermal analysis (1989)

  8. No Access

    Article

    Analyse thermique dynamique d'un systeme physico-chimique

    The system is constituted of a glass reactor containing the reagents acetic acid-triethylamine. The formation of the addition complex is accompanied by an exothermic reaction

    N. Balbi in Journal of thermal analysis (1989)

  9. No Access

    Article

    Transitions de phases du pDCB et diagrammes de phases pDCB-pDBB et pDCB-pBCB

    The phase diagrams of two organic binary systems [p-dichlorobenzene (pDCB) — p-bromochlorobenzene (pBCB)] and [p-dichlorobenzene—p-dibromobenzene (pDBB)] have been determined by X-ray diffraction and thermal m...

    M. Labrador, E. Tauler, M. A. Cuevas-Diarte, J. R. Housty… in Journal of thermal analysis (1988)

  10. No Access

    Article

    Microthermographie infrarouge et decomposition des solides

    Infrared microthermography was used to study dynamically the decomposition of single cristalline platelets (surface 1 cm2) of copper sulfate pentahydrate. The measurement of the local self cooling allows to plot ...

    M. Guerin, M. Lallemant, N. Roudergues, A. Assire in Journal of thermal analysis (1985)

  11. No Access

    Article

    Etablissement du diagramme binaire hydroxy.2 naphtalene-chloro.2 naphtalene par differentes analyses thermiques

    The phase diagram of the 2-chloronaphthalene-2-hydroxynaphthalene binary system has been established in three thermal investigations (calorimetric, crystallographic and optical methods). This diagram is fairly...

    N. B. Chanh, Y. Haget, A. Maiga, A. Meresse in Journal of thermal analysis (1985)

  12. No Access

    Article

    Analyse par activation et numismatique

    In this communication we show that two nuclear methods permit a non-destructive determination of major, minor and trace elements in three important “archaeological” metals: gold, silver, copper and alloys. Wit...

    J. N. Barrandon in Journal of Radioanalytical Chemistry (1980)

  13. No Access

    Article

    Interaction entre les anions dodécylsulfate et chlorure et la sérum albumine humaine. Etude par autodiffusion de l'effet de compétition

    Nous avons déterminé la liaison du dodécylsulfate (SDS) à la sérum albumine humaine (SAH) à pH neutre, à la température de 25 °C.

    J. Sandeaux, N. Kamenka, B. Brun, B. Lindman in Colloid and Polymer Science (1980)

  14. No Access

    Article

    Etude calorimetrique de l'absorption de l'hydrogene sulfure dans des solutions aqueuses d'ethanolamines

    Absorption heats of hydrogen sulphide in aqueous solutions of monoethanolamine, diethanolamine and triethanolamine were determined by calorimetry. The measured enthalpies were compared to those calculated on t...

    L. Elegant, P. C. Maria, N. Ziari-Chalmani in Journal of thermal analysis (1979)

  15. No Access

    Article

    Etude par viscosité et autodiffusion de solutions aqueuses de divers n-alkyl-benzènesulfonates

    Les propriétés physico-chimiques de solutions aqueuses de différents alkyl-p-benzènesulfonates de pureté contrôlée ont été déterminées par diverses méthodes: solubilité, viscosité, autodiffusions. Les micelles fo...

    N. Kamenka, M. Chorro, H. Fabre, B. Lindman, J. Rouviere… in Colloid and Polymer Science (1979)

  16. No Access

    Article

    Radiolyse des solutions aqueuses du complexe cerium(III)-acide triethylene tetraaminehexaacetique

    Irradiation of cerium III-triethylenetetraaminehexaacetic acid (TTHA) solutions was done. The degradation of the metal chelate was determined. A radiolytic mechanism has been proposed where it has been showed ...

    M. B. Hafez, W. Higazi, N. Hafez in Journal of Radioanalytical Chemistry (1979)

  17. No Access

    Article

    Sur le choix d'un critère de determination de la vitesse de corrosion d'un acier au carbone dans une solution à 3% de chlorure de sodium aérée et agitée

    A l'aide d'une électrode à disque tournant en acier au carbone, on a effectué des tracés potentiostatiques de courbes courant-potentiel cathodiques et des mesures de résistance de polarisation, dans une soluti...

    M. Duprat, N. Bui, F. Dabosi in Journal of Applied Electrochemistry (1978)

  18. No Access

    Article

    Identification de submicroquantités d'ions Iodure

    On peut déceler des submicroquantités d'ions iodure á l'aide de bathophénantroline.

    N. Gantchev, A. Kireva in Microchimica Acta (1977)

  19. No Access

    Article

    Utilisation de réactifs organiques dans la détermination volumétrique de microquantités d'iode

    On a élaboré une méthode titrimétrique de détermination de microquantités d'iode à l'aide des réactifs organiques — Chrompyrazol I (CrPyr I) et le bleu de méthylène (BM).

    N. Gantchev, A. Kiréva in Microchimica Acta (1975)

  20. No Access

    Article

    Analyse de la fraction monophénolique des condensats de fumée de cigarettes par association de méthodes chromatographiques

    Monophenols are separated from tobacco smoke condensates by thin-layer chromatography on Kieselgel G using a 3∶1 mixture of cyclohexane and ethylacetate. The monophenolic fraction is recovered from the support...

    M. Malaterre, J. Lohéac, N. Sellier, G. Guiochon in Chromatographia (1975)

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