Questions from Crime and Investigation

Q: What two goals must laboratory testing accomplish to positively identify a drug

What two goals must laboratory testing accomplish to positively identify a drug?

Q: Police investigating an apparent suicide collect the following items at the scene

Police investigating an apparent suicide collect the following items at the scene: a note purportedly written by the victim, a revolver bearing very faint fingerprints, and traces of skin and blood un...

Q: Investigator Terry Martin arrives at an assault scene and finds a cast

Investigator Terry Martin arrives at an assault scene and finds a cast-off pattern consisting of tiny drops of blood in a very narrow linear arc pattern on a wall near the victim. What does this tell...

Q: How does a color test work? What is the main limitation

How does a color test work? What is the main limitation of a color test for identifying drugs?

Q: Describe how a microcrystalline test works. Name two advantages of microcrystalline

Describe how a microcrystalline test works. Name two advantages of microcrystalline tests.

Q: Briefly describe the basic chromatographic process. Be sure to explain how

Briefly describe the basic chromatographic process. Be sure to explain how motion is important to the process.

Q: Under what class of drugs is cocaine listed according to U.

Under what class of drugs is cocaine listed according to U.S. federal drug laws? Explain why this classification is pharmacologically incorrect.

Q: What two chromatographic processes are most applicable for solving analytical problems typically

What two chromatographic processes are most applicable for solving analytical problems typically encountered in the crime laboratory? What is the main advantage of each?

Q: What is the most important drawback to gas chromatography?

What is the most important drawback to gas chromatography?

Q: How are ultraviolet spectrophotometry and infrared spectrophotometry used in drug analysis?

How are ultraviolet spectrophotometry and infrared spectrophotometry used in drug analysis?