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The acidic visualization methods most often used for steroids have been optimized and compared. Sulfuric acid at three different concentrations, phosphomolybdic acid, and phosphoric acid, with different heating temperatures for different times, have been examined as reagents for visualization of seven steroids separated by OPLC on HPTLC silica gel as adsorbent. For sulfuric and phosphoric acids the chromatograms were evaluated by inspection under long-wavelength UV light (366 nm). For phosphomolybdic acid the chromatograms were evaluated in daylight. It was found that visualization at higher temperatures for shorter periods usually results in greater sensitivity, although heating for longer periods at lower temperatures results in a more stable, robust visualization.

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Editor(s)-in-Chief: B. Spangenberg

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  • T.H. Dzido (Lublin, Poland)
  • Á. M. Móricz (Budapest, Hungary)
  • C.F. Poole (Detroit, MI, USA)
  • E. Reich (Muttenz, Switzerland)
  • B. Renger (Radolfzell, Germany)
  • I. Vovk (Ljubljana, Slovenia)

 

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  • U. A. TH. BRINKMAN (Amsterdam, The Netherlands)
  • I. CHOMA (Lublin, Poland)
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  • W. DAMMERTZ (Kressbronn, Germany)
  • K. FERENCZI-FODOR (Budapest, Hungary)
  • G. INDRAYANTO (Surabaya, Indonesia)
  • R. E. KAISER (Bad Dürkheim, Germany)
  • I. KLEBOVICH (Budapest, Hungary)
  • T. KOWALSKA (Katowice, Poland)
  • L. LEPRI (Florence, Italy)
  • E. MINCSOVICS (Budapest, Hungary)
  • D. NUROK (Indianapolis, IN, USA)
  • B. RENGER (Radolfzell, Germany)
  • J. K. RÓŻYŁO (Lublin, Poland)
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  • M. WAKSMUNDZKA-HAJNOS (Lublin, Poland)
  • D. WEDGE (Mississippi, USA)

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Address: P.O. Box 245. H-1519 Budapest, Hungary
Fax: +36 1 464 82 95
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Journal of Planar Chromatography - Modern TLC
Language English
Size A4
Year of
Foundation
1988
Volumes
per Year
1
Issues
per Year
6
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0933-4173 (Print)
ISSN 1789-0993 (Online)

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