Quality Segment
agency
ISO (13720), ISO (16266)
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
for use with Pseudomonas CFC/CN agar (base) acc. ISO 13720 and ISO 16266 (1.07620)
storage temp.
2-8°C
suitability
Pseudomonas spp.
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 (Base) (1.07620) for the detection and enumeration of Pseudomonas aeruginosa in water by the membrane filter technique.
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.
- 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.
Other Notes
Replaces: 1.07624.0001
警示词
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
靶器官
Gastrointestinal tract, Respiratory system
存储类别
11 - Combustible Solids
怎么回事？
WGK 3
