Calibration Standard PAH III 20mg skal her vare 20ug Compound Prod.no. CAS no. Batch no. Purity Grav. conc.µg/ml Naphthalene 0711,10 90-20-3 0353 99.8 % 20 n-Hexylbenzene 0393,12 1077-16-3 1661 98.4 % 20 1-Methylnaphthalene 0712,11 90-12-0 0354