Medium data
Search for medium no. = [815].
Unless otherwise stated, sterilize media by autoclaving at 121°C for 15 min.
815 ACIDIC DILUTED ASM MEDIUM
| NH4Cl | 0.1 | g |
| MgSO4·7H2O | 0.1 | g |
| CaCl2·2H2O | 0.02 | g |
| Trace element solution (see below) | 0.1 | ml |
| Iron stock solution (see below) | 0.1 | ml |
| Distilled water | 1.0 | L |
Mix components and autoclave. After cooling, add the following solution (autoclaved) to the medium:
| Phosphate buffer stock solution | 2.0 | ml |
To complete medium, adjust pH to 3.0 with sterile 1 N HCl solution. Then, distribute 20 ml-aliquots of the medium into sterile 120 ml-serum bottles and seal with butyl rubber stoppers. Add 100 ml methane gas (filter-sterilized) into the head space of the culture bottle through a syringe.
Trace element solution:
| ZnSO4·7H2O | 0.4 | g |
| EDTA·2Na | 0.25 | g |
| MnCl2·4H2O | 0.02 | g |
| H3BO3 | 0.015 | g |
| Na2MoO4·2H2O | 0.04 | g |
| NiCl2·6H2O | 0.01 | g |
| CuSO4·5H2O | 0.2 | g |
| CoCl2·6H2O | 0.05 | g |
| Distilled water | 1.0 | L |
Iron stock solution:
| EDTA·Fe(III) | 4.5 | g |
| Distilled water | 1.0 | L |
Phosphate buffer stock solution:
| KH2PO4 | 37.425 | g |
| Na2HPO4·2H2O | 48.950 | g |
| Distilled water | 1.0 | L |
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