Modifies a noun

• anhydride: Thus, in 1850 he predicted the existence of acetic anhydride, which was prepared in 1851.

• acid: Mix 6 cm 3 absolute alcohol with 2 cm 3 glacial acetic acid in a fume cupboard.

• vapor: Combs to be stored should be subjected to an atmosphere of acetic acid vapor.

• orcein: If the chromosomes of such cells are selectively stained with a dye such as acetic orcein, stages in mitosis can be observed.

• solution: The reaction was stopped in 0.5 % acetic acid solution.