17171

Mineral modified Glutamate Broth (Base)

suitable for microbiology, NutriSelect^® Plus

• UNSPSC Code: 41171607
• NACRES: NA.85

Properties

• agency: according to ISO 16649-3:2015
• Quality Level: 200
• sterility: non-sterile
• form: powder
• shelf life: limited shelf life, expiry date on the label
• composition: L-arginine, 0.04 g/L ; L-aspartic acid, 0.048 g/L ; bromocresol purple, 0.02 g/L ; calcium chloride, 0.02 g/L ; L-cystine, 0.04 g/L ; dipotassium phosphate, 1.8 g/L ; ferric ammonium citrate, 0.02 g/L ; lactose, 20 g/L ; magnesium sulfate, 0.2 g/L ; nicotinic acid, 0.002 g/L ; pantothenic acid, 0.002 g/L ; sodium formate, 0.5 g/L ; thiamine, 0.002 g/L
• manufacturer/tradename: NutriSelect^® Plus
• technique(s): microbiological culture: suitable
• final pH: 6.7±0.2 (25 °C)
• application(s): agriculture; agriculture; environmental; food and beverages; water monitoring; microbiology
• suitability: nonselective and differential for Escherichia coli; nonselective and differential for coliforms; nonselective and differential for enterobacteriaceae

Description

Application

For the enumeration of coliform bacteria in water and waste water samples.

Preparation Note

Suspend 22.7 g of Part A and 12.7 g of Part B in 1 litre distilled water containing 5 g of ammonium chloride. Heat is necessary to dissolve the medium completely. Dispense in tubes containing inverted Durham′s tubes. Sterilize by autoclaving at 115°C for 10 minutes. For single strength medium use 11.35 g of Part A and 6.35 g of Part B in 1 litre distilled water containing 2.5 g ammonium chloride.

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

Safety Information

• wgk_germany: WGK 2
• flash_point_f: Not applicable
• flash_point_c: Not applicable