Merck
All Photos(1)

88151

Millipore

Tetrathionate Broth

suitable for microbiology, NutriSelect® Plus

Synonym(s):
TT Broth, TB
NACRES:
NA.74

Quality Level

sterility

non-sterile

form

powder

shelf life

limited shelf life, expiry date on the label

composition

bile salts, 1 g/L
calcium carbonate, 10 g/L
mixed peptone, 5 g/L
sodium thiosulfate, 30 g/L

manufacturer/tradename

NutriSelect® Plus

technique(s)

microbiological culture: suitable

final pH

7.8±0.2 (25 °C)

application(s)

environmental
food and beverages
pathogen testing
sample preparation

microbiology

suitability

selective for Salmonella spp.

Application

For the selective enrichment of Salmonella from various sources.

Preparation Note

Dissolve 46 g in 1 litre distilled water and heat carefully till boiling (do NOT sterilize). Cool to below 45°C then add 20 ml iodide solution (5 g potassium iodide (Cat. No. 60400) and 6 g iodine (Cat. No. 57650) in 20 ml distilled water) and 10 ml 0.1% brilliant green (Cat. No. 16020; 10 mg/l) solution. Mix and fill containers so that any insoluble material is evenly distributed. This broth should be prepared on the day of use.

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

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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