The reaction products of photolysis of acetic anhydride in gas phase at 25"C, where He or C 0 2 was present as buffer gas, were analyzed by gas chromatography. The extent of photodissociation was 52% 2 5% and the extent of intramolecular hydrogen transfer reaction producing acetic acid and ketene wa
Flash photolysis of biacetyl in gas phase. Rate constants of reactions between methyl and acetyl radicals
โ Scribed by Raimo Timonen; Kaarlo Kalliorinne; Kurt Blomqvist; Jouko Koskikallio
- Publisher
- John Wiley and Sons
- Year
- 1982
- Tongue
- English
- Weight
- 354 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0538-8066
No coin nor oath required. For personal study only.
โฆ Synopsis
The flash photolysis of biacetyl produces CO, CZH6, and CH3COCH3 as main products, and in small amounts COz, CzH4, and CH3CHO. The rate constants of reactions ( 2) and
of' thermally equilibrated radicals were calculated from the amounts of products:
) lo'* dm3/mol. s k 3 = (2.43 f 0.14) 1O1O dm3/mol. s
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Using a relative rate method, rate constants for the gas-phase reactions of 2methyl-3-buten-2-ol (MBO) with OH radicals, ozone, NO 3 radicals, and Cl atoms have been investigated using FTIR. The measured values for MBO at and total 298 ฯฎ 2 K 740 ฯฎ 5 torr pressure are: ฯช11 3 ฯช1 ฯช1 ฯช18 3 k ฯญ (3.9 ฯฎ 1.