gcms Articles

  • UCT Derivatizing Reagents Cited in ATS Study

    Amphetamines Type Substances (ATS), which include amphetamine (AMP), methamphetamine (MA), 4-methylamphetamine (4-MA), 3,4-methylenedioxyamphetamine (MDA), 3,4-methylenedioxymethamphetamine (MDMA), 3,4-methylenedioxy-N-ethylamphetamine (MDEA), cathinone (CAT), and ephedrine (EPH), are widely acknowledged as common identified drugs of abuse.  Alternative, new-age synthetic cathinones such as ...

  • Sand & Gravel - Case Study

    Creating a Borehole Database A series of exploration boreholes were drilled. Samples were taken every five feet and sieved in order to determine the relative percentages of sand, gravel and clay (or other non-sand/gravel material). These samples were restricted to the interval below the base of the soil profile and the top of the bedrock. The borehole locations, stratigraphy (see Table 1), ...

    By RockWare, Inc.

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