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 Chromatogram
of a ahelating compound 2,2'-bipyridyl(Rt=5.44) and 4,4'-bipyridyl(Rt=5.44)
and 4,4'-bipyridyl(Rt=3.93) for Kromasil and another commercial
material. The test is performed in metal-free system and column(Peek).
conditions
: Samples and loadings: 2,2'-bipyridyl(2 µg) and 4,4'-bipyridyl(0.5
µg) Eluent : MeOH.H2 : 60/40 · Column size :
250 x 4.6 mm · Flow : 1 ml/min. Wavelength : 254 nm
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