grzyby.pl
kwas fyzodowy, physodic acid, Physodsäure
TLC, spot tests
class: β-Orcinol Depsides
Rf values in standard eluents systems: A: 25 · B: 35 · B': 35 ·
C: 18
Visibility: in natural light: —
· in UV-C (254nm): +
Visibility after H2SO4 spraying and 10 min in 110°C charring:
in natural light: pale orange
in UV-A (ca.360nm): purple
Spot tests: K — · C — · KC pale red · P —