Weiyel Reference Materials
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| Subculture | Nutritional gravy medium (NA/NB): beef paste 3.0g, peptone 10.0g,NaCl 5.0g, agar 20.0g (without liquid medium), distilled water 1.0L,pH 7.0. Sterilization at 121 ℃ for 15min. [Note] Adding 5 mgMnSO4 · H2O to culture Bacillus is beneficial to produce spores. |
| 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 | 55 ℃, aerobic, 18-24h |
| Storage conditions | 2-8 ℃ |
| Safety level | 1 |
| Application | Resistance Testing Dry heat sterilization control Efficacy testing Ethylene oxide sterilization control Media testing Steam sterilization control Sterility assurance Sterilization control Pharmaceutical and Personal Care Resistance test dry heat sterilization control efficacy test ethylene oxide sterilization control medium inspection sterilization control> drugs and personal care |
| Sharing mode | Public welfare sharing |
Quality control samples of fecal coliforms in medical institutions
BNCC362169
BNCC362181
Seawater total coliform positive control quality control sample (Multi-tube fermentation method)
BNCC363180
Water quality fecal coliform positive quality control sample (Membrane membrane method)
BNCC360396
Candida albicans nucleic acid reference (Heat inactivated) (Strongly positive)
BNCC362018
Seawater total bacterial colony count quality control sample
BNCC363184