ammonium formate


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ammonium formate

[ə′mōn·yəm ′fȯr·‚māt]
(organic chemistry)
HCO2NH4 Deliquescent crystals or granules with a melting point of 116°C; soluble in water and alcohol; used in analytical chemistry to precipitate base metals from salts of the noble metals.
References in periodicals archive ?
To a 1.5 mL test tube, 25 [micro]L sample was added along with 1.25 [micro]L of the internal standard solution (1 [micro]g/mL final concentration) and 6.25 [micro]L of the extraction solution (acetonitrile:10mM ammonium formate [pH 3.86] = 90: 10).
GR grade ammonium formate and ammonium acetate reagents were procured from Merck Specialities Pvt.
Addition of anionic ion-pairing reagents, for example, sodium dodecyl sulphate or salts (e.g., ammonium acetate, ammonium formate, and sodium phosphate) is also used to improve the chromatographic separation [5, 13, 17, 22].
Lu, Highly Efficient N-formylation of Amines with Ammonium Formate Catalyzed by Nano-Fe3O4 in PEG-400, RSC Adv., 4, 1234 (2014).
Formic acid, ammonium formate, and ammonium phosphate were obtained from Sigma Aldrich; LC-MS-grade methanol and acetonitrile from Burdick & Jackson; Strata-X-CW weak cation exchange (WCX) solid-phase extraction (SPE) cartridges (3 mL) from Phenomenex; and Oasis WCX [mu]Elution 96-well SPE plates from Waters.
Bio-ultragrade ammonium formate and LC-MS grade formic acid were purchased from Sigma-Aldrich (St.
Mass spectrometry-grade reagents (formic acid and ammonium formate) and analytical-grade reagents (sodium chloride and Tween 60) were purchased from Fluka (Buchs, Germany), Sigma (St.
Ten ppb spiked river samples are simply filtered, 10 mM of ammonium formate is added and then pipetted onto a mesh.
Denoxium is a solution of ammonium formate and urea and it has a freezing point of -30oC.
All the reagents used (acetonitrile, ammonium formate, formic acid, sodium hydroxide, hydrochloric acid, and hydrogen peroxide) were analytical grade, purchased from Merck (Darmstadt, Germany).