Ringerlösung (RIL)
| Shorthand symbol: | RIL |
| Item number: | 60-1550 |
| Format: | Tube, 9ml |
| Colour: | clear, colourless |
| Storage conditions: | Dry, closed at 4-25°C |
| Shelf-life: | 12 Months |
| pH: | 6.9 ± 0.5 bei 25°C |
Ringer's Solution is for the isolation and cultivation of susceptible bacteria. It's composition prevents the microorganisms suffering from osmotic shock or being damaged when they are taken out of their usual environment.
| in g per 1 Litre of Nutrient Medium | |
|---|---|
| Sodium Hydrogen Carbonate | 0.01 |
| Calcium Chloride | 0.12 |
| Potassium Chloride | 0.105 |
| Sodium Chloride | 2.25 |
The microbial performance test is carried out in accordance with the requirements of DIN EN ISO 11133.
Productivity
Incubation Conditions: max. 45 min - 1 hour at 25°C, then transfer on TSA, 40-48h at 37°C; Inoculum Concentration: 104 CFU
| Organism | Type Strain | Specification | Colony morphology | |
|---|---|---|---|---|
| Escherichia coli | ATCC 25922/WDCM 00013 | - | White/grey colonies on TSA | |
| Staphylococcus aureus | ATCC 25923/WDCM 00034 | - | White/grey colonies on TSA |
Incubation conditions: 48 ± 4h at 30 ± 1°C
| Specification |
|---|
| No microbial contamination |