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17349

Millipore

Lauryl sulfate Broth

suitable for microbiology, NutriSelect® Plus

Synonym(s):

Lauryl Tryptose Broth

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About This Item

UNSPSC Code:
41171607
NACRES:
NA.74

agency

according to ISO 4831:2006
according to ISO 7251:2005

Quality Level

sterility

non-sterile

form

powder

shelf life

limited shelf life, expiry date on the label

composition

dipotassium hydrogen phosphate, 2.75 g/L
lactose, 5 g/L
potassium dihydrogen phosphate, 2.75 g/L
sodium chloride, 5 g/L
sodium lauryl sulfate, 0.1 g/L
tryptose, 20 g/L

manufacturer/tradename

NutriSelect® Plus

technique(s)

microbiological culture: suitable

final pH

6.8±0.2 (25 °C)

application(s)

agriculture
bioburden testing
environmental
food and beverages
water monitoring

microbiology

suitability

selective for Enterobacter spp.
selective for Escherichia coli
selective for Salmonella spp.
selective for coliforms

Application

Selective medium acc. to Mallmann and Darby (1941) for the presumptive testing for coliform and their selective enrichment in the examination of water, dairy products and food.
The difference to Cat. No. 61749 is that Tryptose is used instead of Casein peptone.

Preparation Note

Dissolve 35.6 g in 1 litre water. Sterilize by autoclaving at 121°C for 15 minutes.

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

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Articles

Microbiological assessment of bacteria found in spices, a potent source for food spoilage and pathogens.

An article concerning selective growth media for differentiation and detection of Escherichia coli and other coliforms.

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