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 total bacterial count in food
BNCC359091
Klebsiella aerogenes Tindall et al nucleic acid standard quality control product
BNCC361459
Water quality fecal coliform positive quality control sample (Membrane membrane method)
BNCC360396
Bacillus subtilis spore suspension
BNCC358969
Bacillus subtilis spore suspension
BNCC358980
Standard quality control samples of Escherichia coli in drinking water (multi-tube fermentation method)
BNCC360415