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Author Question: The oxygen analyzer that is no longer commonly used is the ____ analyzer. a. Paramagnetic c. ... (Read 115 times)

KWilfred

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on: Jul 16, 2018
The oxygen analyzer that is no longer commonly used is the ____ analyzer.
 
  a. Paramagnetic c. Electrical
  b. Galvanic d. Polarographic

Question 2

Which oxygen analyzer uses a semipermeable polytetrafluoroethy lene membrane to separate ox-ygen from a potassium hydroxide bath containing a gold cathode and a lead anode?
 
  a. Paramagnetic c. Electrical
  b. Galvanic d. Polarographic


Carliemb17

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: A
The paramagnetic oxygen analyzer, such as a Beckman D-2, is no longer commonly used.

Answer to Question 2

ANS: B
Within the galvanic cell there is a semipermeable membrane that separates the gas sample from a hydroxide solution with a gold cathode and a lead anode. The polarographic cell uses a platinum cathode and a silver anode immersed in a potassium hydroxide bath.


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