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29333 Millipore

Barritt’s Reagent A

for microbiology

Synonym: Naphtol, ethanolic solution, VP1 Reagent, Voges-Proskauer Test with Barritt’s Reagent A

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Properties

Related Categories Biochemical Reagents for Identification, Identification Tests & Reagents, Microbiology More...
grade   for microbiology
shelf life   limited shelf life, expiry date on the label
composition   absolute ethanol, 100 mL
  α-napthol (1-naphthol), 5.0 g
Featured Industry   Food and Beverages

Description

Application

This reagent is used in Voges-Proskauer test for detection of acetoin production by bacterial cultures along with Barritt Reagent B.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN1170 - class 3 - PG 2 - Ethanol, solution
WGK Germany 
1
Flash Point(F) 
57.2 °F
Flash Point(C) 
14 °C

Documents

Certificate of Analysis


Same Products - New Packaging
Protocols & Articles

Articles

Differentiation of Escherichia coli from coliforms

In August 2008, the discovery of E. coli-contaminated beef in the United States prompted a nationwide recall of beef. The source turned out to be one supplier that had a history of contamination of i...
Jvo Siegrist
AnalytiX Volume 8 Article 5
Keywords: Decarboxylations, Fermentation, Genetic, Indicators, Microbiology, Reductions

EZ-Product Family for Bioburden Testing

The EZ family has been designed to optimize and streamline your bioburden workflow. Ideal for microbiological water, beverage, and medical device testing using the membrane filtration method. The fam...
Keywords: Filtration

Identification of Microorganisms Based on Color

For microbiologists the most fundamental stain was developed in 1884 by the Danish bacteriologist Hans Christian Gram. The Gram Stain allows the determination of morphology, dividing bacteria into tw...
Jvo Siegrist
Microbiology Focus Edition 1.4, Product Manager Microbiology.... ivo.siegrist@sial.com
Keywords: Antibiotics, Enzyme activity, Fermentation, Gram stain, Help, Indicators, Reductions

Microbiology Introduction

An initial aim of all microbiologists is the reproducible growth of their microbial cultures, no matter whether the microorganisms are of natural origin or have been genetically engineered by man. Re...
Keywords: Absorption, Aerobic, Anaerobic, Antibiotics, Antimicrobials, Buffers, Culture media, Diffusion, Environmental, Filtration, Genetic, Growth factors, Metabolism, Phase transitions, Precipitation, Reductions, Respiration, Sample preparations, Vitamins

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