Test Kits and Chemicals Microbiology and Histology

Testonic® Crystal Violet Solution (A) for Gram Staining

Crystal Violet Solution (A) is an essential primary stain for microbiological analysis, staining Gram-positive bacteria purple in the Gram staining protocol.

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Product Code: 419
Barcode: 8680131854196
Last update: 28 Haziran 2025 , Cumartesi

Crystal Violet Solution (A) is a solution used as a primary stain, which is the first and most important step of the Gram staining protocol. It ensures that Gram-positive bacteria take on a purple color by retaining the dye in their cell walls, thus distinguishing them from Gram-negative bacteria. It is an indispensable product for the classification and identification of bacteria in microbiological analyses.


Features

  • Primary Staining Ability: Provides a clear view by creating a purple color in Gram-positive bacteria.

  • High Purity: Pure and high-quality formula suitable for microbiological applications.

  • Fast Effect: Provides fast results compatible with Gram staining protocol.

  • Stability: It has a stable formulation that maintains its effectiveness for a long time.

  • Ease of Use: In ready-made solution form, it saves time in laboratory procedures.


Areas of Use

  • Gram Staining Protocols:
    It is preferred in the first staining stage used in the classification of Gram-positive and Gram-negative bacteria.

  • Microbiological Analyses:
    It is used in the microscopic examination of bacteria in medical, clinical, veterinary and research laboratories.

  • Education and Research:
    It is widely used in microbiology courses and research projects, in teaching and applying Gram staining techniques.

  • Food and Water Analysis:
    Ideal for determining microbiological contamination and determining the type of bacteria.


Storage Conditions

  • Should be stored at room temperature between 15-25°C.

  • Should be protected from direct sunlight and high humidity.

  • After use, the lid should be tightly closed and stored in a cool environment.

  • ÇShould be kept out of reach of children and away from sources of fire/sparks.


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