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HT Histotechnician

Category - Staining

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In preparing the Schiff reagent through the Barger and Delamater method, what solution is added to the Schiff reagent?

Thionyl chloride
Sulfur dioxide gas
Sodium potassium metabisulfite
None of the above

Explanation

Answer: A - Thionyl chloride
In preparing the Schiff reagent through the Barger and Delamater method, the solution added to the Schiff reagent is Thionyl chloride. This is added to release sulfur dioxide. All the other options are not added in the Schiff reagent using such specific method.

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