1.01295

Coliforms 50

ReadyCult^®, granular, sterile; γ-irradiated, for coliforms

• UNSPSC Code: 41106212
• NACRES: NA.74

Propiedades

• sterility: sterile; γ-irradiated
• Quality Level: 200
• form: granular
• manufacturer/tradename: ReadyCult^®
• technique(s): microbiological culture: suitable
• pH: 6.6-7.0 (25 °C, 17 g/L in H₂O)
• solubility: 17 g/L
• application(s): food and beverages; microbiology
• storage temp.: 15-25°C
• suitability: Escherichia coli; coliforms

Descripción

Analysis Note

Appearance
- clearness:
clear
- colour: yellowish
pH-value (25 °C): 6.6 - 7.0
Inoculum on reference medium
- Escherichia coli ATCC 11775 (WDCM 00090):
10 - 100
- Citrobacter freundii ATCC 8090: 10 - 100
- Klebsiella pneumoniae ATCC 31488: 10 - 100
- Salmonella typhimurium ATCC 14028 (WDCM 00031): 10 - 100
- Pseudomonas aeruginosa ATCC 10145 (WDCM 00024): ≥ 1000
Growth
- Escherichia coli ATCC 11775 (WDCM 00090):
+
- Citrobacter freundii ATCC 8090: +
- Klebsiella pneumoniae ATCC 31488: +
- Salmonella typhimurium ATCC 14028 (WDCM 00031): +
colour change to blue-green
- Escherichia coli ATCC 11775 (WDCM 00090):
+
- Citrobacter freundii ATCC 8090: +
- Klebsiella pneumoniae ATCC 31488: +
- Salmonella typhimurium ATCC 14028 (WDCM 00031): -
- Pseudomonas aeruginosa ATCC 10145 (WDCM 00024): -
Fluorescence
- Escherichia coli ATCC 11775 (WDCM 00090):
+
- Citrobacter freundii ATCC 8090: -
- Klebsiella pneumoniae ATCC 31488: -
- Salmonella typhimurium ATCC 14028 (WDCM 00031): -
- Pseudomonas aeruginosa ATCC 10145 (WDCM 00024): -
Indole formation
- Escherichia coli ATCC 11775 (WDCM 00090):
+
- Citrobacter freundii ATCC 8090: -
- Klebsiella pneumoniae ATCC 31488: -
- Salmonella typhimurium ATCC 14028 (WDCM 00031): -
Incubation: 24 hrs.; 35 °C; aerobic.

Legal Information

READYCULT is a registered trademark of Merck KGaA, Darmstadt, Germany

Información de seguridad

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 2