Multi-Element Internal Standard Back Catalog number: 50160 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3208.17-K-IO 10-trans-Heptadecenoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 126761-43-1 Price on request 678015 Trichlorfon, 100 µg/ml, Toluene, 1ml Price on request 95490 EPA Method 524.3Gases Price on request