A collection (from various sources) of some common stock solutions for use in bio labs.
Index
0.5 M Na2-EDTA Stock
| 0.5 M Na2-EDTA Stock | 0.2 L | 0.4 L | 0.5 L | 1 L | M |
|---|---|---|---|---|---|
| Na2-EDTA Na2-C10H16N2O8 mw = 372.24 g/mol Ethylenediaminetetraacetic acid disodium | 37.22 | 74.44 | 93.1 g | 186.1 g | 0.5 |
| NaOH pellets to adjust to pH 8.0 | – | – | – | ~20 g | – |
| ddH2O to final volume | – | – | – | – | – |
- EDTA will not dissolve until pH is adjusted
- Autoclave before use.
- 0.2 L and 0.4 L fits well into 0.25 and 0.5 L bottles respectively
5 M NaCl Stock
| 5 M NaCl Stock | 0.5 L | 1 L | M |
|---|---|---|---|
| NaCl mw = 58.44 g/mol Sodium Chloride | 146.1 g | 292.2 g | 5 |
| ddH2O to final volume | – | – | – |
- Autoclave before use
1 M MgCl2 Stock
| 1 M MgCl2 Stock | 0.5 L | 1 L | M |
|---|---|---|---|
| MgCl2 mw = 95.211 g/mol Magnesium dichloride | 47.60 g | 95.21 g | 1 |
| ddH2O to final volume | – | – | – |
- Autoclave before use
1 M MgSO4 Stock
| 1 M MgSO4 Stock | 0.5 L | 1 L | M |
|---|---|---|---|
| MgSO4 mw = 120.366 g/mol Magnesium Sulphate | 60.18 g | 120.366 g | 1 |
| ddH2O to final volume | – | – | – |
- Autoclave before use
1 M KCl Stock
| 1 M KCl Stock | 0.5 L | 1 L | M |
|---|---|---|---|
| KCl mw = 74.5513 g/mol Potassium chloride | 37.3 g | 74.6 g | 1 |
| ddH2O to final volume | – | – | – |
- Autoclave before use
