PCB-Mix 21, 10µg/mL in Cyclohexane, 10ml Back Catalog number: L20032100CY Manufacturer: DR. EHRENSTORFER Availability: In the manufacturer's stock Price on request - + Recommended S-4005-5K-ACX5 3,4-Dimercaptotoluene 5000µg/mL in acetone, 5x1mL Price on request 14800-0085-50ME5 6:2 FTOH, 50μg/ml in MeOH, 5ml Price on request 30003 EPA Method 500 Series Internal Std #4 Price on request