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Differential-thermal and thermogravimetric analysis of some gagates from Bulgaria

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Abstract

The thermal behaviour of three gagates (Bulgaria) was investigated by DTA and TG. The characteristic endo- and exoeffects and the sequence of the thermal stabilities are established.

Zusammenfassung

Das thermochemische Verhalten von drei Gagaten (Bulgarien) wurde mittels DTA und TG untersucht. Die charakteristischen endo- und exothermen Effekte und die Reihenfolge der thermischen Stabilitäten wurden ermittelt.

Резюме

Методом ДТА и ТГ изуче но термическое поведение трех образ цов гагатов (Болгария). Определены характеристические эндо- и экзотермические эфф екты и последователь ность их термоустойчивост и.

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References

  1. C. W. Gümbel, Beiträge zur Kenntnis der Texturverhältnisse der Mineralkohlen, München, Sitz.-Ber. K. Bayer Akad. Wiss., (1883), 111.

    Google Scholar 

  2. W. Gothan, Naturw. Wochenschr., 21 (1906) 17.

    Google Scholar 

  3. D. Minčev, Annuaire de l'Université de Sofia, Faculté de Géologie et Géographie, Livre 1, Géologie, Vol. 70 (1978) 193.

    Google Scholar 

  4. D. Minčev, Annuaire de l'Université de Sofia, Faculté de Géologie et Géographie, Livre 1, Géologie, Vol. 70 (1) (1979) 193.

    Google Scholar 

  5. D. Minčev, Annuaire de l'Université de Sofia, Faculté de Géologie et Géographie, Livre 1, Géologie, 70 (1) (1982) 247.

    Google Scholar 

  6. D. Minčev, Annuaire de l'Université de Sofia, Faculté de Géologie et Géographie, Livre 1, Géologie, 76 (1982) 69.

    Google Scholar 

  7. K. Markova and D. Minčev, Annuaire de l'Université de Sofia, Faculté de Géologie et Géographie, Livre 1, Gé ologie, 70 (1) (in press).

  8. D. Rouschev, Chimie Analytique, 45 (11) (1963) 572.

    Google Scholar 

  9. D. Rouschev and V. Konstantinova, C. R. Acad. bulg. Sci., 16 (3) (1963) 281.

    Google Scholar 

  10. G. Šiškov and K. Markova, Annuaire de l'Université de Sofia, Faculté de Géologie et Géographie, Livre 1, Géologie, 70 (1) (1980) 215.

    Google Scholar 

  11. G. Heinze, Bergbau-Archiv., 19 (1/2) (1958) 1.

    Google Scholar 

  12. K. Markova, R. Petrova and D. Minčev, Annuaire de l'Université de Sofia, Faculté de Géologie et Géographie, Livre 1, Géologie, 79 (in press).

  13. G. Šiškov, V. Sallabaševa and S. Valčeva, Geologica Balcanica, 12 (3) (1982) Sofia, Sept. 59.

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Authors and Affiliations

  1. Sofia University “Kliment Ohridski”, Sofia, Bulgaria

    K. Markova & D. Minčev

  2. Higher Institute of Chemical Technology, Sofia, Bulgaria

    D. Rustschev & O. Atanasov

Authors
  1. K. Markova
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  2. D. Minčev
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  3. D. Rustschev
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  4. O. Atanasov
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Markova, K., Minčev, D., Rustschev, D. et al. Differential-thermal and thermogravimetric analysis of some gagates from Bulgaria. Journal of Thermal Analysis 34, 65–69 (1988). https://doi.org/10.1007/BF01913371

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  • DOI: https://doi.org/10.1007/BF01913371

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