pickling acid

[′pik·liŋ ‚as·əd]

(chemistry)

Any of the acids used in pickling solutions, such as hydrochloric, sulfuric, nitric, phosphoric, or hydrofluoric acid.

References in periodicals archive ?

The permeation is commonly studied using external polarisation to produce the hydrogen, but we used the pickling acid as the hydrogen source.

Introduction of iron into the pickling acid has only a minor effect on the current versus time curve (Figure 7).

recovery plant) for pickling acid used in pickling hot-rolled steel at Rautaruukki's Raahe Mills.

Plant operators eliminated the hazards and expense of disposing of spent pickling acid by recycling it on the premises.