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  • Ammonia etching  (1)
  • 1980-1984  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 433-436 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary, glass ; Persilylation ; Polar phases ; Ammonia etching ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Static ammonia etching has been used to effect regular surface roughening of glass capillaries. Following such treatment, polar phases could be coated after persilylation with varioussilylation agents such as hexamethyl-, tetramethyldiphenyl-, and tetra- phenyldimethyldisilazane, respectively. This method produces columns of high thermostability, which is limited only by the maximum applicable temperature for the phase itself.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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