Do you ever observe precipitate in a Formaldehyde 37 % solution ?

Hello everyone. I have a new bottle (closed and sealed bottle) of Formaldehyde solution 37 % from Sigma ( 252549, ACS reagent, 37 wt. % in H2O, contains 10-15% Methanol as stabilizer (to prevent...

22 February 2023 2,131 0 View