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Analysis of Potassium Formate in Airport Storm Water Runoff by Headspace Solid-Phase Microextraction and Gas Chromatography-Mass Spectrometry

Analysis of Potassium Formate in Airport Storm Water Runoff by Headspace Solid-Phase Microextraction and Gas Chromatography-Mass Spectrometry

Elke Fries, Jörg Klasmeier

J Chromatogr A. 2009 Jan 30;1216(5):879-81.

PMID: 19091320

Abstract:

Potassium formate was extracted from airport storm water runoff by headspace solid-phase microextraction (HS-SPME) and analyzed by GC-MS. Formate was transformed to formic acid by adding phosphoric acid. Subsequently, formic acid was derivatized to methyl formate by adding methanol. Using sodium [(2)H]formate (formate-d) as an internal standard, the relative standard deviation of the peak area ratio of formate (m/z 60) and formate-d (m/z 61) was 0.6% at a concentration of 208.5 mg L(-1). Calibration was linear in the range of 0.5-208.5 mg L(-1). The detection limit calculated considering the blank value was 0.176 mg L(-1). The mean concentration of potassium formate in airport storm water runoff collected after surface de-icing operations was 86.9 mg L(-1) (n=11) with concentrations ranging from 15.1 mg L(-1) to 228.6 mg L(-1).

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP3996154	Sodium formate-d		3996-15-4	Price

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