formic acid

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formic acid

 [for´mik]
a colorless, pungent liquid with vesicant properties, from nettles and ants and other insects; derivable from oxalic acid and from glycerin and from the oxidation of formaldehyde.

for·mic ac·id

(fōr'ik as'id),
HCOOH; the smallest carboxylic acid; a strong caustic, used as an astringent and counterirritant.

for·mic ac·id

(fōr'mik as'id)
The smallest carboxylic acid; a strong caustic, used as an astringent and counterirritant.

formic acid (methanoic acid)

a colourless, corrosive, fuming liquid with a pungent smell. It occurs in ants and in certain plants and is the simplest of the CARBOXYLIC ACIDS. Formula: HCOOH.
References in periodicals archive ?
Pathway 1: HCOOH [right arrow] C[O.sub.2] + 2[H.sup.+] + 2[e.sup.-]
The ENR was synthesized via in situ latex epoxidation of NR by performic acid generated from the reaction between HCOOH and [H.sub.2][O.sub.2].
The chromatographic step was performed with a constant flow rate of 0.2 ml/min and a 45 min linear gradient from solvent A to solvent B (95% MeCN (v/v), 0.5% (v/v) HCOOH in water).
H2O + CO[2.sup.-] [right arrow] HCOOH + 1/2 O2 + [e.sup.-]
Both CO and HCOOH act as OH* radical scavengers and reducing agents.
Different desorbing agents like 1N NaOH, 1N HCl, triple distilled water and 85% HCOOH were used for the desorption studies.
FT-IR spectra and TG curves indicated that the main evolved gases were C[O.sub.2] and [H.sub.2]O, while there were many minor gases, such as C[O.sub.2], C[H.sub.4], [C.sub.2][H.sub.6], C[H.sub.3]OH, C[H.sub.3]COOH, and HCOOH.
The presentation includes both consecutive and parallel processes, and the reaction between formaldehyde molecule (HCHO) and (O) to form either formic acide (HCOOH) or (HCHO...O) was assumed to be the rate controlling process.
Afterwards, 5 [micro]L of 35% [H.sub.2]O / 60% ACN / 5% HCOOH were added and the mixture vigorously agitated for 15 min in order to extract tryptic peptides.
- Total and positronium formation cross sections for positron scattering from H2O and HCOOH;