1,4-Naphthoquinone Back Catalog number: 79415 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94749 p-Cresidine Price on request S-4050-K-10IO Calibration Mixtures: Di-n-butyl sulfide in Isooctane Unit: 1x10mL screw-capped bottle Isooctane µgS/g (ppm) Wt.% S-4050-0-10IO 0 Blank 0 S-4050-1-10IO 1 0.0001 Etc. S-4050-10Kit Kit of above solutions Price on request S-4282 Internal Standard for GC-analysis of PAH compounds II S-4282 Compound Prod.no. Batch no. Purity CAS no. Grav. conc. 2,2'-Binaphthyl 0254,20 2951 99.9 % 612-78 Price on request