RNAlater

Recipe for an RNAlater‐like buffer solution: For 1.5 liters:

935 ml of autoclaved, MilliQ water

700 g Ammonium sulfate

Stir until dissolved

Add 25 ml of 1 M Sodium Citrate

And

40 ml of 0.5 M EDTA

Adjust to pH 5.2 using concentrated H2SO4 (about 20 drops= 1 ml)

Store at RT