Question

The possession of d-methamphetamine is a criminal offense prosecutable at different levels based on amount in possession. The following compounds may or may not be present in a sample confiscated from a suspected met lab. The other compounds are starting materials, fillers, or substitutes (for the purpose of defrauding buyers). The possible compounds in the mixture include: If the compounds above were separated using capillary GC, what would be the most appropriate detector for trace analysis? (A) FTIR (B) electron capture detector (C) flame ionization detector (D) thermal conductivity detector For the compounds above, if the separation was made using reversed phase HPLC, what type of mobile phase would you expect to yield the highest resolution? (A) Isocratic, polar (B) Isocratic, nonpolar (C) Gradient, nonpolar to polar (D) Gradient, polar to nonpolar

Answer 1