Quiz

Quiz
Common Chromatographic Issue of HPLC and Basic Troubleshooting of Chromatographic Issue

Multiple Choice

Which is the correct furrule connection?

Multiple Choice

What grade of solution should be used for preparing mobile phase?

• AR Grade

• u(HPLC) Grade

• Commercial Grade

Multiple Choice

What will the chromatogram look like if we use a low pH solution?

Multiple Choice

Match the void at the column head with the chromatogram

Multiple Select

What are the factors that cause RT shift?

• Temperature

• Column contamination

• System no leaks

Multiple Choice

Which is the formula for calculating column volume (CV)?

• CV = πrL

• CV = πr²L

• CV = πr³L

Multiple Select

What type of peak is caused by void volume?

Multiple Choice

What chromatograms should be compared to see ghost peaks?

• Diluent and Sample

• Standard and Sample

• Sample and LOQ

Multiple Select

What is the cause of a cyclic baseline?

• Room temperature change

• Bad UV lamp

• Contaminated mobile phase

Multiple Select

Which isn't the proper way to maintain columns?

• Store mobile phase in column

• Flush column with strong base

• Uncapped of both ends of column

• Store in solvent for long term shipping