Tetraethyl pyrophosphate (TEPP) — Formulation Stability and Intervendor Comparison

Environmental Tetraethyl pyrophosphate (TEPP) — Formulation Stability and Intervendor Comparison L. Phifer, Chem Service, Inc., West Chester, PA, USA J. Walbridge, Chemical Standards, Supelco, Bellefonte, PA, USA Several years ago, my wife and I were in Jamaica and had the…

Application Note 137 Formulation Stability and Intervendor Comparison of Tetraethylpyrophosphate (TEPP) and Analysis by GC Supelco and Chem Service Inc. conducted independent studies to monitor the decomposition of TEPP in solution. The realtime study made by Chem Service supported the…

Bulletin 824C Resolving Industrial Solvent Mixtures on Packed and Capillary GC Columns Nonpolar SPB-1 and polar SUPELCOWAX 10 capillary columns separate complex mixtures of most commonly used solvents with good resolution. Resolution on 0.53mm ID columns is similar to that…

Bulletin 841C Chlorinated Pesticides Analysis by Capillary GC: Alternative Approaches We manufacture and test SPB-608 capillary columns specifically for analyses of chlorinated pesticides. 30m x 0.25mm ID columns can be used in capillary GC systems; 15m x 0.53mm ID columns…