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A method of calibration of the formic acid monomer concentration in the gas phase (1995)

Finkbeiner, Matthias ; Neeb, Peter ; Horie, Osamu ; [et al.]

Springer

Fresenius' Zeitschrift für analytische Chemie 351 (1995), S. 521-525

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ISSN: 1618-2650

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Abstract Pyrolysis of t-butyl formate, (CH3)3C-O-CHO, has been carried out in a carrier gas stream of Ar or N2 in a temperature range of 200–400°C. Between 200 and 300°C, the pyrolysis yielded an equimolar mixture of HCOOH and (CH3)2C=CH2. The results have been used as a calibration method for determining the concentration of the gas-phase HCOOH monomer without interference from the formation of the formic acid dimer. Using this technique, the gas-phase infrared absorption cross-section of HCOOH at 1105 cm−1 (peak to valley) for the resolution of 0.5 cm−1 has been determined to be 6.76×10−19 cm2 molecule−1.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00322726

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