R2A-Agar (R2A)
Shorthand symbol: | R2A |
Item number: | 40-1297 |
Format: | Petri dish, 90mm |
Colour: | Clear. whitish colored. |
Storage conditions: | Dry, closed at 4-10°C |
Shelf-life: | 6 Months |
pH: | 7.2 ± 0.2 at 25°C |
For testing water for injections.
in g per 1l Medium | |
---|---|
Yeast extract | 0.5 |
Casein hydrolyzate | 0.5 |
Proteose-Peptone | 0.5 |
Dextrose | 0.5 |
Starch | 0.5 |
Dipotassium | 0.3 |
Magnesium sulfate | 0.024 |
Sodium pyruvate | 0.3 |
Agar | 15 |
*Adjusted as required to meet performance standards |
The microbial performance test is carried out in conformity with the requirements of the Pharm. Eur. (Microbiological testing of non-sterile products according to Chapter 2.6.13).
Produktivität
Incubation conditions: 2 - 3 days at 30 - 35°C; Inoculation concentration: 10 – 100 CFU
Organism | Test strain | Specification | Colony morphology | |
---|---|---|---|---|
Pseudomonas aeruginosa | ATCC 9027 / WDCM 00026 | 50 - 200% | whitish to greenish colonies | |
Bacillus subtilis | ATCC 6633 / WDCM 00003 | 50 - 200% | Whitish colonies |
Mikrobielle Kontamination
Incubation conditions: 5 – 7 days at 20 – 25 °C and 5 – 7 days 30 – 35 °C
Specification |
---|
No microbial contamination |