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 gas environment; |
| 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
BNCC359084
Escherichia coli nucleic acid reference (Heat inactivated) (Strongly positive)
BNCC362019
Reference material of escherichia coli in milk powder
BNCC360265
Shigella quality control sample of sludge from medical institutions
BNCC362176
Clostridium sporogenes spore suspension
BNCC362136
Standard quality control sample of coliform bacteria (MPN counting method)
BNCC360590