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Merck
CN

17231

SPS Agar, modified

suitable for microbiology, NutriSelect® Plus

Synonym(s):

Sulfite Polymyxin Sulfadiazine Agar, modified

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About This Item

NACRES:
NA.74
UNSPSC Code:
41171609
Technical Service
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form

powder

shelf life

limited shelf life, expiry date on the label

composition

agar, 15 g/L , casein enzymic hydrolysate, 15 g/L , ferric citrate, 0.5 g/L , polymyxin B sulfate, 0.01 g/L , polysorbate 80, 0.05 g/L , sodium sulfite, 0.5 g/L , sodium thioglycollate, 0.1 g/L , sulfadiazine, 0.12 g/L , yeast extract, 10 g/L

manufacturer/tradename

NutriSelect® Plus

technique(s)

microbiological culture: suitable

final pH

7.0±0.2 (25 °C)

application(s)

bioburden testing
food and beverages, microbiology

shipped in

wet ice

storage temp.

2-8°C

suitability

selective and differential for Clostridium spp.

Quality Level

Application

For the selective isolation and enumeration of Clostridium perfringens from foods.

Preparation Note

Suspend 41.28 g in 1 litre distilled water. Heat to boiling to dissolve the medium completely. Sterilize by autoclaving at 121°C for 15 minutes. Cool to 50°C and pour in sterile petri plates containing inoculum. Allow to solidify and if desired, pour the cover layer using about 5 ml sterile medium. Incubate anaerobically.

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

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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Articles

Clostridia are relatively large, gram-positive, rod-shaped bacteria that can undergo only anaerobic metabolism.

Clostridium perfringens can cause contamination in undercooked or improperly sterilized canned foods and water. Learn to detect, identify, and differentiate this pathogen.

产气荚膜梭菌会导致未煮熟或未正确消毒的罐头食品和水受到污染。了解如何检测、鉴定和区分这种病原体。

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