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1.07624

Millipore

Pseudomonas CN Selective Supplement

for Pseudomonas spp., pkg of 10 vials, for the preparation of Pseudomonas CN Selective Agar

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Synonym(s):
Pseudomonas Selective Supplement

Quality Level

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.

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This Item
1.076271.008881.00071
technique(s)

microbiological culture: suitable

technique(s)

microbiological culture: suitable

technique(s)

microbiological culture: suitable

technique(s)

microbiological culture: suitable

pH

8.2-8.8 (20 °C, 63 g/L in H2O)

pH

6.2-6.8 (20 °C, 26.2 g/L in H2O)

pH

-

pH

7.0-7.4 (25 °C, 40 g/L in H2O, suspension)

solubility

63 g/L

solubility

26.6 g/L

solubility

83 g/L

solubility

40 g/L

application(s)

food and beverages
microbiology

application(s)

food and beverages
microbiology

application(s)

food and beverages
microbiology

application(s)

food and beverages
microbiology

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

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.

Signal Word

Danger

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


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