Method 1640 Tuning Standard Back Catalog number: 52147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2924.9-100-IO Cyanazine-d5 (N-ethyl-d5), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1190003-29-2 Price on request 1089.22-K-T Benzo[ghi]perylene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 93951-66-7 Price on request X11340100DO Chlormequat chloride 1,1,2,2-D4, 100 ng/µl, 10ml Price on request