Chromatography

Descrição

Undergraduate Forensic Science Quiz sobre Chromatography, criado por rachaelmccue em 17-03-2014.
rachaelmccue
Quiz por rachaelmccue, atualizado more than 1 year ago
rachaelmccue
Criado por rachaelmccue mais de 10 anos atrás
95
1

Resumo de Recurso

Questão 1

Questão
In liquid chromatography, molecules that interact strongly with the solvent will move quickly through the stationary phase.
Responda
  • True
  • False

Questão 2

Questão
Which of the following is the most polar bond?
Responda
  • Carbon-Hydrogen
  • Nitrogen-Hydrogen
  • Oxygen-Hydrogen

Questão 3

Questão
Which of the following is NOT true concerning high performance liquid chromatography?
Responda
  • The columns contain small particles of stationary phase.
  • The stationary phase is always more polar than the mobile phase.
  • The technique is suitable for in-volatile samples.

Questão 4

Questão
Which of the following is NOT true concerning Gas Chromatography?
Responda
  • Gas Chromatography is not suitable for analytes with high boiling points.
  • Capillary columns are longer and thinner than packed columns.
  • Ultra-Violet absorption is the commonest detection method in Gas Chromatography.

Questão 5

Questão
Qualitative analysis in high performance liquid and gas chromatography is based on the measurement of what?
Responda
  • Retention time
  • Resolution
  • Charge

Questão 6

Questão
What kind of column has a diameter of 1cm?
Responda
  • Packed Column
  • Capillary Column

Questão 7

Questão
In high performance liquid chromatography, hydrocarbons are chemically bonded to silica particles and used as a stationary phase.
Responda
  • True
  • False

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