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. |
| Subculturing | 1. According to the arrow sign of Xilin bottle cap, open the strain and dissolved liquid; 2. Pour the bacteria tablets into the dissolved liquid, cover the rubber stopper, shake and dissolve; 3. After being fully dissolved, it can be absorbed in proportion according to the test requirements; 4. Please use up immediately after opening, and do not store it; |
| Growth conditions | 37 ℃, aerobic, 18-24h |
| Storage conditions | -20 ℃, kept away from light |
| Safety level | 1 |
| Application | Pharmacopoeia test |
| Sharing mode | Public welfare sharing |
Fecal coliform positive control quality control sample (Membrane membrane method)
BNCC359576
Water quality fecal coliform positive quality control samples (Paper Rapid Method)
BNCC360408
Water Quality Total Coliform Standard Quality Control Sample (Paper Rapid Method)
BNCC360407
Standard quality control sample of total coliforms in drinking water (Membrane membrane method)
BNCC360416
Bacillus subtilis spore suspension
BNCC361463
Standard Sample of Total Colony in Cosmetics
BNCC361614