Preparation of Crystal Violet for the Gram Stain - Biology Notes Online

Preparation of Crystal Violet for the Gram Stain

• Published on May 15, 2024 • 1 min readby Editorial Team

Preparation of Crystal Violet (Recipe for Crystal Violet)

This is the recipe for the crystal violet stain used in the Gram stain and other staining procedures.

Ingredients of Crystal Violet

Ingredients	Amount
crystal violet	2 g
95% ethyl alcohol	20 ml
ammonium citrate monohydrate	0.8 g
deionized water	80 ml

Dissolve 2 g crystal violet in 20 ml of 95% ethyl alcohol.
Dissolve 0.8 g ammonium oxalate monohydrate in 80 ml deionized water.
Mix the crystal violet and ammonium oxalate monohydrate solutions to make the crystal violet stain. Filter the stain if necessary.

Generate flashcards, quizzes, and ask questions to deepen your understanding