Weiyel Reference Materials
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| Subculture | Nutritional gravy medium (English name: NA/NB): beef paste 3.0g, peptone 10.0g,NaCl 5.0g, agar 20.0g (not included in 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. |
| Growth conditions | 30 ℃;18-24h; Aerobic; |
| Storage conditions | 2-8 ℃ |
| Safety level | 1 |
| Application | With talcum powder that meets the standard requirements as the carrier, the microbial material Bacillus atrophy ATCC is selected to 9372 spores and refined according to the standard requirements. Each batch of talcum powder products have been tested for spore content to ensure stable quality. This product is suitable for the experimental method of evaluating the penetration of barrier materials against bacteria carrying particles, and is suitable for the national medical industry surgical gown standard "surgical gown, surgical gown and clean clothing for patients, medical personnel and instruments" (YY/T 0506-2009), and the international standard ISO 22612:2005 Clothing for protection against infectious agents -- Test method for resistance to dry microbial penetration (protective clothing for infectious medium-test method for preventing infiltration of dry microorganisms). |
| Sharing mode | Public welfare sharing |
Standard quality control sample of fecal coliform (MPN counting method)
BNCC360589
Water quality fecal coliform standard quality control sample (Membrane membrane method)
BNCC360398
Standard quality control samples of mold and yeast
BNCC360584
Bacillus subtilis var. niger spore carrier (steel plate)
BNCC362002
Bacillus stearothermophilus spore suspension
BNCC360467
Fecal coliform standard quality control sample (Multitube fermentation method)
BNCC359289