kwas fyzodalowy, physodalic acid, Physodalsäure
TLC, spot tests
class: β-Orcinol Depsides
Rf values in standard eluents systems: A: 10 · B: 31 · B': 33 ·
C: 19 · G: 46
Visibility: in natural light: —
· in UV-C (254nm): +
Visibility after H2SO4 spraying and 10 min in 110°C charring:
in natural light: grey
in UV-A (ca.360nm): purple
Spot tests: K pale brown, yellow-red · C — · P orange, red