Brix Test Back Catalog number: 54261 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 23013 EPA Method 8260 - Purgeable Internal Standard Price on request B-250S-0.35X Dow FR-250, 35 µg/mL in Isooctane, 1ml Price on request 71340 1,1-Dimethylcyclopentane Price on request