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 |
Reference material of bacillus subtilis spores count
BNCC359087
Klebsiella aerogenes Tindall et al nucleic acid standard quality control product
BNCC361459
Quality control sample of total bacterial count in drinking water
BNCC360334
Bacillus subtilis var. niger spore carrier (steel plate)
BNCC362002
Reference material of total bacterial count in food
BNCC362999
Water quality fecal coliform negative quality control sample (Membrane membrane method)
BNCC360397