WS Turbidity Back Catalog number: 55021 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 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 53115 ICP-MS Interference Check Solution B Price on request 53303 LFS Solution 1 Price on request