Question Detail

BIO 101 BIO 101 Past Questions Objective Question

Question

In which solution should a pH electrode bulb be stored when not in use?
Options
A Deionized distilled water
B Dry paper towels
C Concentrated sulfuric acid
D Electrode storage solution (such as 3M KCl)
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

Storage in 3M KCl preserves hydration of the glass gel layer and prevents ion leaching from the internal electrolyte.

Hint

No hint available

Question Info