Method 1640 Tuning Standard Back Catalog number: 52147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1127.17-100-T 3-Nitrobenzanthrone, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 17117-34-9 Price on request 71015 Dibenzothiophene Price on request 94913 Volatile Mix # 2, in dimethylacetamide, 1ml Price on request