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 |
Quality control sample of total bacterial count in drinking water
BNCC360334
8099 Escherichia coli carrier (cloth)
BNCC361997
Bacillus pumilus nucleic acid reference (Heat inactivated) (Strongly positive)
BNCC362021
Standard quality control samples of mold and yeast
BNCC360584
Fecal coliform negative control quality control sample(Multi tube fermentation method)
BNCC359288
Shigella quality control sample of sewage from medical institutions
BNCC362175