This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: In thin-layer chromatography, the solvent migrates up the sorbent (i.e., alumina, silica gel, ... (Read 119 times)

yoroshambo

  • Hero Member
  • *****
  • Posts: 566
on: Aug 10, 2018
In thin-layer chromatography, the solvent migrates up the sorbent (i.e., alumina, silica gel, cellulose) by which action:
 
  A) Inert carrier gas such as argon
  B) Capillary action
  C) Suction
  D) Electromagnetic field
  E) Force applied by a battery

Question 2

In the clinical toxicology laboratory, it is common to use ___________ to measure drugs of abuse.
 
  A) Gas chromatography mass spectrometer
  B) Thin-layer chromatography
  C) Atomic absorption
  D) Electrophoresis


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mjenn52

  • Sr. Member
  • ****
  • Posts: 351
Reply #1 on: Aug 10, 2018
Answer to Question 1

Ans: B

Answer to Question 2

Ans: A


yoroshambo

  • Hero Member
  • *****
  • Posts: 566
Reply #2 on: Aug 10, 2018
Thanks


mjenn52

  • Sr. Member
  • ****
  • Posts: 351
Reply #3 on: Aug 10, 2018
Welcome :)


« previous next »
 

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

The meninges. This figure illustrates the location and structure of each layer of the meninges and t The meninges. This figure illustrates the location and structure of each layer of the meninges and t
Burn Degree By Tissue Layer Burn Degree By Tissue Layer
Common skin signs are often evidence of an illness or disorder. A scale is a thin, dry flake of ... Common skin signs are often evidence of an illness or disorder. A scale is a thin, dry flake of ...
Colloid-labeled immunochromatographic sandwich assay. The separating properties of chromatography ... Colloid-labeled immunochromatographic sandwich assay. The separating properties of chromatography ...
Place a towel or sheet over knee area. Use a thin barrier to protect skin from cold source. Place a towel or sheet over knee area. Use a thin barrier to protect skin from cold source.
A flat circular coil having 57 turns of very thin wire has a diameter of 9.5 cm and carries 7.2 ... A flat circular coil having 57 turns of very thin wire has a diameter of 9.5 cm and carries 7.2 ...
Video: Sigmoidoscopy

For a complete list of videos, visit our video library