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HT Histotechnician

Category - Staining

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What substance is added to Scharlach R to prevent the deterioration of the staining solution?

Picric acid
Acid alcohol
70% alcohol
Benzoic acid

Explanation

Answer: D - Benzoic acid

The substance that is added to Scharlach R to prevent the deterioration of the staining solution is Benzoic acid. It also intensifies the resulting color of the stain. The other choices are not added to Scharlach R to prevent its deterioration.

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