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05038 Sigma-Aldrich

Agar

for microbiology

Synonym: Agar-agar, Gum agar

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Properties

Related Categories Agars, Base Ingredients for Media, Microbiology More...
grade   for microbiology
form   powder
shelf life   limited shelf life, expiry date on the label
ign. residue   ≤1.5%
loss   ≤10% loss on drying
pH   5.5-7.5 (25 °C)
mp   ≥85 °C
transition temp   gel point 32-35 °C
gel strength   >900 g/cm2
solubility   H2O: soluble1.5%, clear to almost clear (100 °C/15 min.)
cation traces   Ca: ≤2500 mg/kg
  Fe: ≤100 mg/kg
  Mg: ≤900 mg/kg
  Pb: ≤5 mg/kg

Description

General description

This agar is recommended for gelling the microbiological culture media where a great transparence and brightness is required. Especially useful in immuno-electrophoretic procedures, nutritional studies (Vitamin Assay Media) or sensitivity testing procedures, where high purity and good diffusion of substances is essential. It is essentially free of impurities.

Other Notes

Same product — same quality — now Sigma-Aldrich brand

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.



Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
2
RTECS 
AW7950000

Documents

Certificate of Analysis

Protocols & Articles

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

Peer-Reviewed Papers
15

References

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