Wash Buffers [10 mL]

KCl (74.55 g/mol)	1 M	745.5 mg	Store at 4°C
Na2CO3 (106 g/mol)	0.1 M	106 mg	Store at 4°C
Urea (60 g/mol) in 10 mM Tris pH 8	2 M	1.2 g Add 100 μL 1M Tris pH 8	Store at 4°C

Prepare in MQ water and store on ice.