Sigma-Aldrich Pseudomonas Cn Selective S

Quality Level

200

Form

solid

Composition

Cetrimide, 100 mg per vial
Nalidixic acid, 7.5 mg per vial

Packaging

pkg of 10 vials

Technique(S)

microbiological culture: suitable

pH

8.2-8.8 (20 °C, 63 g/L in H₂O)

Solubility

63 g/L

Application(S)

food and beverages
microbiology

Compatibility

PseudomonasCFC/CN agar (base) acc. ISO 13720 and ISO 16266 (1.07620)

Storage Temp.

2-8°C

Related Categories

Microbial Culture Media

Supplements for Cell Culture

General Description

ThePseudomonasCN Selective Supplement is a mixture of 2 different inhibitors in lyophilized form. Cetrimide and Nalidixic acid inhibit the accompanying Gram-positive and Gram-negative flora.

Application

PseudomonasCN Selective Supplement is an additive for the preparation ofPseudomonasCN Selective Agar for the detection and enumeration ofPseudomonas aeruginosain water by the membrane filter technique.

Linkage

Replaces: 1.07624.0001

Analysis Note

Recovery on test medium
- Pseudomonas aeruginosa ATCC 27853 (WDCM 00025):
≥ 70 %
- Aeromonas hydrophila ATCC 7966 (WDCM 00063): ≤ 0.01 %
- Klebsiella pneumoniae ATCC 13883 (WDCM 00097): ≤ 0.01 %
- Proteus mirabilis ATCC 14153: ≤ 0.01 %
- Providencia rustigianii ATCC 13159: ≤ 0.01 %
Colonies (Pseudomonas aeruginosa ATCC 27853 (WDCM 00025)): greenish
Growth (Pseudomonas fluorescens ATCC 13525 (WDCM 00115)): inhibited
Incubation: 44 hrs.; 35 °C; aerobic.
Reference: blood-agar (24 hrs.; 30 °C; aerobic).

Supplement tested in Pseudomonas selektiv agar (base) art. no. 1.07620.

Pictograms

GHS05,GHS07,GHS08,GHS09

Signalword

Danger

Hcodes

H302 - H315 - H318 - H335 - H351 - H373 - H410

Pcodes

P273 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338 - P308 + P313

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Eye Dam. 1 - Skin Irrit. 2 - STOT RE 2 Oral - STOT SE 3

Target_Organs

Gastrointestinal tract, Respiratory system

Storage Class

11 - Combustible Solids

Wgk_Germany

WGK 3