| Appearance | opalescent and reddish violet |
| Number of viable spores per ampoule | 5.0E+05 - 1.0E+07 |
| Growth (35 °C) | no growth |
| Growth (60 °C) | growth |
| Performance test (6 min, 121 °C) | Survival time 6 min/121 °C |
| Performance test (15 min, 121 °C) | Kill time 15 min/121 °C |
| D value (121 °C) | 1.5 - 2.0 min |
| Z value | 7.0 - 10.0 °C |
| Identity | Geobacillus stearo-
thermophilus ATCC 7953 |
The determination of the D-value is based on the Stumbo-Murphy-Cochran method. The identity control is carried out via MicroSeq-System. |
Organism: Geobacillus stearothermophilus ATCC 7953 (sporulation optimized). Ampoules: 2 ml. Storage temperature: +2° to +8°C. |