San Rafael Chemical Services
specializes cheap ray ban sunglasses in HPLC analysis of biological material. For
instrumentation we use Hewlett Packard's 1090 series II / L HPLCs with
photodiode array detectors to an HP 5989 A – Mass Spectrometer engine.
For certain compounds and for method development the HPLC is interfaced
through either thermospray or a particle beam. We also have the HP 5890
series II Gas Chromatograph for GC/MS determinations (Volatiles,
Semi-Volatiles, etc.) along with other devices.
Professional associations include the American
Chemical Society (ACS) discount ray bans and discount ray ban sunglasses, the American Society for Mass Spectrometry
(ASMS and the Association of Official Analytical Chemists (AOAC).