Podcast
Questions and Answers
What is the typical internal diameter range of a capillary column in gas chromatography?
What is the typical internal diameter range of a capillary column in gas chromatography?
- 0.1 - 0.53 cm
- 0.1 - 0.53 mm (correct)
- 0.1 - 0.5 cm
- 0.1 - 0.5 mm
Which chemical compound is commonly analyzed using a DB-5MS stationary phase in gas chromatography?
Which chemical compound is commonly analyzed using a DB-5MS stationary phase in gas chromatography?
- Barbiturates
- Blood alcohol
- Cannabinoids (correct)
- Opiates
When might a narrow-bore column be used in gas chromatography?
When might a narrow-bore column be used in gas chromatography?
- For cannabinoid analysis
- When a fast capillary column is required (correct)
- For blood alcohol analysis
- When analyzing inhalants
What is the primary disadvantage of gas chromatography compared to other analytical techniques?
What is the primary disadvantage of gas chromatography compared to other analytical techniques?
Which application area commonly uses DB-1 as the stationary phase in gas chromatography?
Which application area commonly uses DB-1 as the stationary phase in gas chromatography?
What is the advantage of using a 0.25 mm i.d. capillary column in gas chromatography?
What is the advantage of using a 0.25 mm i.d. capillary column in gas chromatography?
What is the purpose of the polymer coating on a capillary GC column?
What is the purpose of the polymer coating on a capillary GC column?
Which parameter is critical for a scientist to consider when selecting a column for capillary GC?
Which parameter is critical for a scientist to consider when selecting a column for capillary GC?
What role does the internal diameter of the column play in gas chromatography?
What role does the internal diameter of the column play in gas chromatography?
What is a disadvantage associated with using a capillary GC column?
What is a disadvantage associated with using a capillary GC column?
Which feature distinguishes capillary GC columns from packed GC columns?
Which feature distinguishes capillary GC columns from packed GC columns?
What advantage does capillary GC offer over packed GC columns?
What advantage does capillary GC offer over packed GC columns?
What are the main instrumental components of a gas chromatograph?
What are the main instrumental components of a gas chromatograph?
What is a key aspect that determines the performance of a gas chromatography system?
What is a key aspect that determines the performance of a gas chromatography system?
Why is nitrogen commonly used as the carrier gas in gas chromatography with a flame ionization detector?
Why is nitrogen commonly used as the carrier gas in gas chromatography with a flame ionization detector?
What is the main advantage of using helium as the carrier gas with a mass spectrometer detector?
What is the main advantage of using helium as the carrier gas with a mass spectrometer detector?
Which plot can be used to assess the efficiency of a gas chromatograph?
Which plot can be used to assess the efficiency of a gas chromatograph?
Besides integration and display of peak area and peak height, what are some other variables typically available in gas chromatography instrumentation?
Besides integration and display of peak area and peak height, what are some other variables typically available in gas chromatography instrumentation?
Flashcards are hidden until you start studying
