Buffer A (store at 4°C): | ||
Final Concentration | Stock concentration | Amount used from stock |
15 mM Tris-Cl, pH 8.0 | 1 M Tris-Cl, ph 8.0 | 15 ml |
15 mM NaCl | 5 M NaCl | 3 ml |
60 mM KCl | 1 M KCl | 60 ml |
1 mM EDTA, pH 8.0 | 0.5 M EDTA, pH 8.0 | 2 ml |
0.5 mM EGTA, pH 8.0 | 500 mM EGTA, pH 8.0 1 ml |
add sterile ddH2O to a final volume of 1 liter.
make fresh Buffer A+: to 10ml buffer A add the following