Skip to Content
Merck
CN

Key Documents

View All Documentation

07348

m-Lauryl sulfate broth

suitable for microbiology, NutriSelect® Plus

Synonym(s):

Membrane lauryl sulfate broth

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

NACRES:
NA.85
UNSPSC Code:
41171607
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

sterility

non-sterile

Quality Segment

200

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.

Other Notes

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

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type N95 (US)

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.

If you need assistance, please contact Customer Support

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library