Description
Specifications Table
Product Name – BARRITT’S REAGENT ‘B’ FOR VP TEST
Quantity/Pack Size – 125 ml
Form – Liquid
Grade – Laboratory Grade
Application – Voges-Proskauer (VP) Test
Product Overview
Barritt’s Reagent B is a specialized laboratory reagent designed for the Voges-Proskauer (VP) test, a critical biochemical assay used to differentiate bacterial species based on their metabolic byproducts. This reagent contains alpha-naphthol, which reacts with acetoin—a product of glucose fermentation—to produce a distinctive red color, confirming a positive VP result. The formulation is optimized for clarity and consistency, ensuring accurate and reproducible test outcomes. Its laboratory-grade purity minimizes interference, making it a reliable choice for precise microbial identification. The reagent is stable under standard lab conditions, though proper storage is recommended to maintain its efficacy. Whether used in routine diagnostics or research applications, Barritt’s Reagent B delivers dependable performance, supporting confident decision-making in microbiological analysis.
FAQs
1. What is the shelf life of Barritt’s Reagent B for VP Test?
The reagent typically remains stable for 12–24 months when stored in a cool, dark place with the cap tightly sealed. Always check the label for the exact expiry date.
2. Can this reagent be used with automated VP test systems?
Barritt’s Reagent B is primarily designed for manual VP testing. Compatibility with automated systems depends on the specific equipment—consult the system’s guidelines for reagent requirements.
3. Are there any safety precautions to follow while handling this reagent?
Alpha-naphthol, the active component, can cause skin and eye irritation. Wear gloves, goggles, and a lab coat, and work in a well-ventilated area or fume hood to avoid exposure.
4. How should I dispose of unused or expired Barritt’s Reagent B?
Dispose of the reagent as hazardous chemical waste according to local laboratory safety protocols. Do not pour it down drains or mix it with other waste.
5. What alternatives exist if Barritt’s Reagent B is unavailable?
Kovacs’ reagent (for indole tests) is not a substitute, but some labs use modified VP reagents with similar compositions. Always verify compatibility with your specific test protocol before switching.
