Weiyel Reference Materials
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| Subculture | Tryptone soybean medium (English name: TSA/TSB): tryptone 17.0g, soybean peptone 3.0g, sodium chloride 5.0g, dipotassium hydrogen phosphate 2.5g, glucose 2.5g, agar 20.0g (without liquid medium), distilled water 1.0L,pH 7.3±0.2. Sterilization at 121 ℃ for 15min. |
| Subculturing | This spore suspension is a pure spore suspension, which is obtained by cell separation and collection of spores. It can be used directly, and the corresponding volume can be added according to the test requirements. |
| Growth conditions | 30 ℃;18-24h; Aerobic; |
| Storage conditions | 2-8 ℃ |
| Safety level | 2 |
| Application | Ionizing radiation sterilization or disinfection of indicator bacteria, in accordance with the 2020 edition of the disinfection technical specifications, etc. |
| Sharing mode | Public welfare sharing |
Fecal coliform negative control quality control sample(Multi tube fermentation method)
BNCC359288
Helicobacter pylori reference (Chemically inactivated) (Strongly positive)
BNCC363101
Shigella quality control sample of sewage from medical institutions
BNCC362175
Quality control samples by enzyme substrate method for drinking water
BNCC360392
BNCC362181
Bacillus coagulans spore suspension
BNCC361969