Practice Quiz

HT Histotechnician

Category - Staining

Start a Study Session Sign up for Question of the Day
The development of a reddish purple color when few drops of the Schiff reagent are added to 10 mL of 37-40% formaldehyde indicates which of the following?
  1. Schiff reagent is still good and usable
  2. Schiff reagent is not effective
  3. Schiff reagent should be discarded
  4. None of the above
Explanation
Answer: A - Schiff reagent is still good and usable
The development of a reddish purple color when few drops of Schiff reagent are added to 10 mL of 37-40% formaldehyde indicates that Schiff reagent is still good and usable. When it develops a color such as a deep blue-purple color, then it means that the solution is breaking down and is not good for staining already. All the other options are incorrect and inaccurate.
Was this helpful? Upvote!
Login to contribute your own answer or details
Start a Study Session Sign up for Question of the Day

Top questions

Related questions

Most popular on PracticeQuiz