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Merck
CN

54232

Lactose TTC Agar with Tergitol™-7

NutriSelect® Plus, according to ISO, powder, for coliforms, pack of 500 g, suitable for microbiology

Synonym(s):

TTC-Tergitol-7 Agar, m-Tergitol-7 Agar with Meat Extract

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About This Item

NACRES:
NA.85
UNSPSC Code:
41171606
Manufacturer/tradename:
NutriSelect® Plus
Agency:
according to ISO
Form:
powder
Suitability:
coliforms, selective and differential for Citrobacter spp., selective and differential for Enterobacter spp., selective and differential for Escherichia coli, selective and differential for Proteus spp., selective and differential for Salmonella spp., selective and differential for Shigella spp.
Application(s):
agriculture
bioburden testing
environmental
food and beverages
water monitoring, microbiology

Key Documents

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Quality Level

200

agency

according to ISO

sterility

non-sterile

form

powder

shelf life

limited shelf life, expiry date on the label

composition

agar, 12.7 g/L , bromothymol blue, 0.05 g/L , lactose, 20.0 g/L , meat extract, 5 g/L , peptone, 10.0 g/L , tergitol-7, 0.1 g/L , yeast extract, 6.0 g/L

packaging

pack of 500 g

manufacturer/tradename

NutriSelect® Plus

final pH

7.2±0.2 (25 °C)

application(s)

agriculture
bioburden testing
environmental
food and beverages
water monitoring, microbiology

suitability

coliforms, selective and differential for Citrobacter spp., selective and differential for Enterobacter spp., selective and differential for Escherichia coli, selective and differential for Proteus spp., selective and differential for Salmonella spp., selective and differential for Shigella spp.

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General description

Lactose TTC Agar with Tergitol™-7 is recommended as a selective and differential medium for the recovery of injured coliform organisms from chlorinated water by membrane filter technique.

Application

for detection and enumeration of coliform organisms from chlorinated water by membrane filter technique

Preparation Note

Suspend 53.85 g in 1000 ml distilled water. Heat to boiling to dissolve the medium completely. Sterilize by autoclaving at 121°C for 15 minutes. Cool to 45-50°C. Aseptically add 2.5 ml of 1% 2,3,5 Triphenyl Tetrazolium chloride (TTC) solution (Cat. No. 17779).

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
TERGITOL is a trademark of The Dow Chemical Company ("Dow") or an affiliated company of Dow

Storage Class

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN4748
BCCL8849
BCCL2258
BCCF3689
BCCD5693

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Articles

Differentiation and Detection of Escherichia coli, Coliforms and Enterobacteriaceae

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

用于分化和检测大肠杆菌和其他大肠菌群的选择性生长培养基

有关用于分化和检测大肠杆菌和其他大肠菌群的选择性生长培养基的一篇文章。

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