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Merck
CN

22520

China Blue Lactose Agar

suitable for microbiology, NutriSelect® Basic

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About This Item

NACRES:
NA.74
UNSPSC Code:
41171606
Technical Service
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Quality Level

sterility

non-sterile

product line

BioChemika

form

powder

shelf life

limited shelf life, expiry date on the label

composition

agar, 12 g/L , casein peptone, 5 g/L , china blue, 0.375 g/L , lactose, 10 g/L , meat extract, 3 g/L , sodium chloride, 5 g/L

manufacturer/tradename

NutriSelect® Basic

technique(s)

microbe id | utilization test: suitable, microbiological culture: suitable

final pH

7.0±0.2 (25 °C)

application(s)

bioburden testing
environmental
food and beverages
water monitoring, microbiology

suitability

nonselective and differential for Escherichia coli, nonselective and differential for Proteus spp., nonselective and differential for Salmonella spp., nonselective and differential for Staphylococcus spp., nonselective and differential for coliforms, nonselective and differential for enterobacteriaceae

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General description

China Blue Lactose Agar is a selective medium for differentiating lactose fermenting and lactose non-fermenting microorganisms.

Preparation Note

Dissolve 35.5 g in 1 litre distilled water. Sterilize by autoclaving at 121°C for 15 minutes.

Other Notes

Bacterial count in milk
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

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

动植物来源培养基
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E. Brandt et al.
Milchwiss. Ber., 13, 1-1 (1963)

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