Alternative Analysis of Formaldehyde-DNPH and Other Carbonyl-DNPH Derivatives by Capillary GC

Application Note 71 Screening for Drugs of Abuse on Wide Bore Capillary GC Columns Nonpolar, bonded phase SPB-1 columns offer fast, effective, and economical sample screening for acidic-neutral drugs (e.g., barbiturates) or basic drugs (amphetamines, cocaine, codeine, heroin, methadone, morphine,…

Application Note 108 GC Analyses of Polynuclear Aromatic Hydrocarbons Polynuclear aromatic hydrocarbons (PAHs) can be separated by packed column or capillary column gas chromatography. An SPB-5 bonded phase fused silica capillary column separates the 16 PAHs considered priority pollutants in…

Application Note 103 Polyurethane Foam as an Effective Adsorbent for Pesticides in Air (GC Analysis) Polyurethane foam (PUF) is a lightweight, easy-to-use material for sampling pesticides in air. Low back pressure allows sampling rates of 1-5 liters/minute, ensuring short sampling…

Application Note 86 Analyzing Stack Gas Semivolatiles, Using Supelpak-2 Adsorbent and Capillary GC (Modified Method 5, US EPA SW-846) The demanding detection limits required for air sampling by Modified Method 5 (US EPA SW-846, Method 0010) necessitates extensive cleaning and…