PSEUDOMONAS CN SELECTIVE

General description

The Pseudomonas CN 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

Pseudomonas CN Selective Supplement is an additive for the preparation of Pseudomonas CN Selective Agar for the detection and enumeration of Pseudomonas aeruginosa in 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.

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: Pseudomonas CFC/CN agar (base) acc. ISO 13720 and ISO 16266 (1.07620). storage temp.: 2-8°C. suitability: Pseudomonas spp.. Pictograms: GHS05,GHS07,GHS08,GHS09. Signal Word: Danger. Hazard Statements: H302 - H315 - H318 - H335 - H351 - H373 - H410. Precautionary Statements: 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 Code: 11 - Combustible Solids. WGK: WGK 3.