Since 1982 Pickering Laboratories has been offering an integrated approach to Post-Column Derivatization applications that includes instrumentation, chemistry and support. Post-column derivatization systems, made in the USA, are available in multiple configurations, optimized for your application. We also offer: cation-exchange and reversed-phase columns, High-purity reagents, chemicals and solutions. Our newest line of products are our artificial body fluids, called Product Testing Solutions. Some of the solutions offered include: artificial perspiration, artificial saliva, artificial urine, custom formulations for testing textile, electronics, medical devices and other consumer products. Expertise and support with method development, method performance and troubleshooting are our specialties and we invite you to contact us with any questions.