Paraformaldehyde from powder Paraformaldehyde from powder kdorfman Wed, 03/03/2021 - 20:12 to make: mLat a concentration of: percent start with: mL 10X PBSthen add: mL wateradd and stir: g paraformaldehyde powder Stir, heat to ~60C Add NaOH until it clears, then bring to final volume