矿物质改良谷氨酸盐肉汤(基础)

NA.85

用于水和废水样品中大肠菌的计数。

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℃ 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.

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.

GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany
NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany

200

according to ISO 16649-3:2015

non-sterile

powder

limited shelf life, expiry date on the label

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

NutriSelect^® Plus

microbiological culture: suitable

6.7±0.2 (25 ℃)

agriculture
agriculture
environmental
food and beverages
water monitoring
microbiology

nonselective and differential for Escherichia coli
nonselective and differential for coliforms
nonselective and differential for enterobacteriaceae

10 - Combustible liquids

WGK 2