1.0M NaOH Standard Reagent Back Catalog number: 52400 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1800.12-K-IO 2,8-Dibromodibenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 31574-87-5 Price on request 0731.12-K-IO 2,7-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 582-16-1 Price on request 83551 Isobutyraldehyde-DNPH Price on request