Teknokroma Analitica SA GC Column TRB-20. 30 m x 0.25 mm x 0.25 μm

20% Diphenyl- 80% dimethyl polysiloxane Column of intermediate polarity without cyanopropyl groups in its structure Excellent confi rmation column Equivalent phases are: Varian: CP-SIL 13 CB Supelco: SPB-20 Quadrex: 007-502