1.05285

Tetrathionate broth (base)

for microbiology

• Synonym(s): Tetrathionate enrichment broth

Properties

• Quality Level: 200
• form: medium granules (dehydrated (DCM))
• manufacturer/tradename: GranuCult^®
• technique(s): microbiological culture: suitable
• pH: 6.8-7.2 (25 °C, 46 g/L in H₂O)
• solubility: 46 g/L
• application(s): microbiology; pathogen testing; pharmaceutical
• storage temp.: 15-25°C
• suitability: Salmonella spp.

Description

Analysis Note

Appearance (clearness): milky-turbid
Inoculum on reference medium (Salmonella typhimurium ATCC 14028 (WDCM 00031)): 10 - 100
Inoculum on reference medium (Escherichia coli ATCC 25922 (WDCM 00013)): ≥ 1E+04
Enrichment from a mixed inoculum after 24 hours (Escherichia coli ATCC 25922 (WDCM 00013)): ≤ 5 %
Enrichment from a mixed inoculum after 24 hours (Salmonella typhimurium ATCC 14028 (WDCM 00031)): ≥ 95 %
Growth (Salmonella typhimurium ATCC 14028 (WDCM 00031)): +
Growth (Escherichia coli ATCC 25922 (WDCM 00013)): inhibited
Inoculum on reference medium (Salmonella typhimurium ATCC 13311 (WDCM 00121)): 10 - 100
Inoculum on reference medium (Salmonella Abony NCTC 6017): 10 - 100
Growth (Salmonella typhimurium ATCC 13311 (WDCM 00121)): +
Growth (Salmonella Abony NCTC 6017): +
Detection with Brolacin agar.

Footnote

We offer two media types: the superior granulated GranuCult^® and the cost-efficient powdered NutriSelect^® culture media, depending on your needs.
The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance.

Legal Information

GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany

NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3