Formalin in A Sentence

    1

    Fixed in formalin, as pathologists prefer, tissue is useless for extracting nucleic acids and proteins.

    2

    It is also advisable to wash all woodwork and gangways annually with a weak solution of formalin, or other inodorous germicide.

    3

    Similar spots are produced on potatoes in America by the fungus Oospora scabies, and in both cases, if affected "seed" potatoes are steeped in a solution of 2 pint formalin in 15 gallons of water for two hours before planting, the attack on the resulting crop is materially lessened.

    4

    The more important of those in use to-day are carbolic acid, the perchloride and biniodide of mercury, iodoform, formalin, salicylic acid, &c. Carbolic acid is germicidal in strong solution, inhibitory in weaker ones.

    5

    Thus 4% buffered formaldehyde is equivalent to 10% buffered formalin.

    6

    When exposed to air the latex gradually undergoes putrefactive changes accompanied by coagulation of the caoutchouc. The addition of a small quantity of ammonia or of formalin to some latices usually has the effect of preserving them for a considerable time.