| NH4Cl (53.49) | 4.13 g (154 mM) |
| KHCO3 (100.1) | 500 mg (10 mM) |
| EDTA, tetrasodium salt (380.2) | 18.5 mg (0.1 mM) |
| Mix powders together, thoroughly | |
| Dispense equal amounts into 10, 50 ml centrifuge tubes (0.46 g/tube) | |
| On day of use, add 50 ml H2OMQ and mix until dissolved | |
| Discard any unused solution | |
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