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07348

Millipore

m-Lauryl sulfate broth

suitable for microbiology, NutriSelect® Plus

Synonym(s):

Membrane lauryl sulfate broth

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About This Item

UNSPSC Code:
41171607
NACRES:
NA.85

sterility

non-sterile

Quality Level

form

powder

shelf life

limited shelf life, expiry date on the label

composition

lactose, 30 g/L
peptic digest of animal tissue, 39 g/L
phenol red, 0.2 g/L
sodium lauryl sulfate, 1 g/L
yeast extract, 6 g/L

manufacturer/tradename

NutriSelect® Plus

final pH

7.4±0.2 (25 °C)

application(s)

environmental
food and beverages
water monitoring

microbiology

suitability

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

Application

M-Lauryl sulfate broth is used for enumeration of Escherichia coli and coliforms in water, using membrane filter technique, replacing membrane enriched teepol broth. It is recommended by ISO Committee under the specification ISO 9308-1: 1990

Preparation Note

Suspend 76.2 g 1000 ml distilled water. Boil to dissolve the medium completely. Dispense as desired and sterilise by steaming for 30 min. on three consecutive days or by autoclaving at 121°C for 15 min.

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, Faceshields, Gloves, type N95 (US)


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