31432 Sigma


for microbiology

Synonym: Lactose Fuchsin Sulfite Agar



Related Categories A - M, All Solid Media/Agars, Escherichia coli & Coliforms, Media, Media by Application,
grade   for microbiology
shelf life   limited shelf life, expiry date on the label
composition   agar, 20.0 g/L
  fuchsin, 0.5 g/L
  lactose, 10.0 g/L
  meat extract, 10.0 g/L
  meat peptone, 10.0 g/L
  sodium chloride, 5.0 g/L
  sodium sulfite, 2.5 g/L
final pH   7.3±0.2 (25 °C)
suitability   selective and differential for Escherichia coli and Coliforms



In accordance with DIN-Norm 38411 for the examination of water

Selective agar for the isolation and differentiation of E. coli acc. to the "Deutschen Einheitsverfahren" for the bacteriological control of drinking water.

Price and Availability

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


Certificate of Analysis

Protocols & Articles


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

Microbiology Theory: Media Preparation

Microorganisms need nutrients, a source of energy and certain environmental conditions in order to grow and reproduce. In the environment, microbes have adapted to the habitats most suitable for thei...
Keywords: Culture media, Digestions, Environmental, Filtration, Growth factors, Indicators, Microbiology, Phase transitions, Precipitation, Vitamins

Selective growth media for differentiation and detection of Escherichia coli and other coliforms

Normal constituents of the intestinal flora of animals, coliforms are rod-shaped, Gram-negative, non-spore forming facultative anaerobes. They ferment lactose with the production of acid and gas when...
Jvo Siegrist
AnalytiX Volume 8 Article 4
Keywords: Biochemistry, Clinical, Culture media, Electron capture detector, Fermentation, Immunology, Indicators, Microbiology, Molecular biology

Related Products

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?