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70194

Millipore

Tryptonwasser

suitable for microbiology, NutriSelect® Plus

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About This Item

UNSPSC-Code:
41171607
NACRES:
NA.74

Sterilität

non-sterile

Qualitätsniveau

200

Produktlinie

BioChemika

Form

powder

Haltbarkeit

limited shelf life, expiry date on the label

Zusammensetzung

sodium chloride, 5.0 g/L
tryptone (tryptic hydrolysate of casein), 10.0 g/L

Hersteller/Markenname

NutriSelect® Plus

Methode(n)

microbe id | specific enzyme detection: suitable
microbiological culture: suitable

pH-Endwert

7.5±0.2 (25 °C)

Anwendung(en)

environmental
food and beverages
sample preparation
water monitoring
microbiology

Eignung

nonselective for Enterobacter spp.
nonselective for Escherichia coli
nonselective for Proteus spp.
nonselective for Salmonella spp.
nonselective for Staphylococcus spp.
nonselective for bacteria (General Media)
nonselective for coliforms
nonselective for enterobacteriaceae

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Anwendung

A liquid medium for the detection of indole-forming microorganisms due to its high content of tryptophan, it is more reliable than peptone water for this purpose.
Tryptone water is primarily used for the cultivation and maintenance of fastidious aerobic and facultative microorganisms such as Escherichia coli and Pseudomonas species.

Angaben zur Herstellung

Add 15 g to 1 litre of distilled water. Mix well, distribute into final containers and sterilize by autoclaving at 121°C for 15 minutes.

Sonstige Hinweise

Direct plating method for enumeration of E. coli in water

Fußnote

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.

Rechtliche Hinweise

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

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)

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Analysenzertifikate (COA)

Lot/Batch Number
BCCG5252
BCCB4467
BCBT2244
BCBR8552V
BCBR5641V

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Die Dokumentenbibliothek aufrufen

A H Havelaar et al.
The Journal of applied bacteriology, 64(1), 89-98 (1988-01-01)
The direct plating (DP) method for enumerating Escherichia coli in food was adapted for water analysis by membrane filtration and a standardized protocol was described. The DP method was found to give equal or better recoveries of E. coli than
Handbook of Microbiological Media (2004)

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