Investigation of the thermal degradation of bi-tertiary butyl-peroxide in the capillary column of a gas Chromatograph

1987 ◽  
Vol 329 (4) ◽  
pp. 487-489 ◽  
Author(s):  
K. Wrabetz ◽  
J. Woog
Keyword(s):  
Thermal Degradation ◽  
Capillary Column ◽  
Gas Chromatograph ◽  
Tertiary Butyl ◽  
Butyl Peroxide

scholarly journals Determination of N-Nitrosodimethylamine in the Smoke of High-Nitrate Tobacco Cigarettes

1973 ◽  
Vol 7 (2) ◽  
Author(s):  
G.P. Morie ◽  
C.H. Sloan
Keyword(s):  
Capillary Column ◽  
Glass Capillary Column ◽  
Gas Chromatograph ◽  
Ionization Detector ◽  
Glass Capillary ◽  
Flame Ionization ◽  
Basic Solutions ◽  
Poly Ethylene ◽  
Gas Chromatographic Method

AbstractA gas chromatographic method was developed for the determination of N-nitrosodimethylamine (NDMA) in cigarette smoke. The NDMA in the smoke of 200 cigarettes was trapped in a solution of sodium hydroxide and separated from most of the smoke components by distillation from acidic and basic solutions. The aqueous solution was extracted for 8 hr. into ethyl ether in a Dean Stark apparatus. To concentrate the solution of NDMA, the ether was distilled until only 5 ml of the solution remained. An aliquot of this solution was analysed by means of a gas chromatograph equipped with a 200-ft. glass capillary column coated with Carbowax 20-M poly(ethylene glycoI). An alkali metal flame ionization detector with a selectivity of 10*/1 for nitrogen compounds to normal hydrocarbons was used. Small amounts (2 ng) of nitrosamines in the presence of large amounts of other compounds were easily detected. N-nitrosodimethylamine-C

scholarly journals Studies on Thermal Degradation Products of Polymers by Gas Chromatograph

1964 ◽  
Vol 21 (225) ◽  
pp. 71-78 ◽  
Author(s):  
Yoshio Shibasaki ◽  
Hirotaro Kambe
Keyword(s):  
Thermal Degradation ◽  
Degradation Products ◽  
Gas Chromatograph ◽  
Thermal Degradation Products

Di-tertiary-butyl Peroxide Decomposition and Combustion with Air: Reaction Mechanism, Ignition, Flame Structures, and Laminar Flame Velocities

2016 ◽  
Vol 31 (3) ◽  
pp. 2260-2273 ◽  
Author(s):  
N. Sebbar ◽  
P. Habisreuther ◽  
H. Bockhorn ◽  
I. Auzmendi-Murua ◽  
J. W. Bozzelli
Keyword(s):  
Reaction Mechanism ◽  
Laminar Flame ◽  
Tertiary Butyl ◽  
Peroxide Decomposition ◽  
Butyl Peroxide ◽  
Flame Structures

Separation and Characterization of Amine Drugs and Their Enantiomers by Capillary Column Gas Chromatography-Mass Spectrometry

1983 ◽  
Vol 66 (6) ◽  
pp. 1443-1446
Author(s):  
Ray H Liu ◽  
Warren W Ku ◽  
Mary P Fitzgerald
Keyword(s):  
Mass Spectrometry ◽  
Gas Chromatography ◽  
Mass Spectrometer ◽  
Capillary Column ◽  
Gas Chromatography Mass Spectrometry ◽  
Gas Chromatograph ◽  
Capillary Column Gas Chromatography ◽  
Spectrometer Data ◽  
Amine Drug

Abstract A gas chromatograph-mass spectrometer-data system equipped with a capillary column is used to analyze commonly abused amine drug mixtures. Enantiomeric amines are analyzed as N-trifluoroacetyl- I-prolyl chloride derivatives. The 10 compounds included in this study are amphetamine, methamphetamine, norephedrine, ephedrine, 3,-4-methylenedioxyamphetamine, N,N-dimethyltryptamine, N,N-diethyltryptamine, N,N-dimethyl-5-methoxytryptamine, mescaline, and caffeine. All compounds, including possible enantiomers, are resolved and identified by the described method.

Determination of volatile alcohols and acetone in serum by non-polar capillary gas chromatography after direct sample injection.

1984 ◽  
Vol 30 (10) ◽  
pp. 1672-1674 ◽  
Author(s):  
N B Smith
Keyword(s):  
Gas Chromatography ◽  
Capillary Gas Chromatography ◽  
Capillary Column ◽  
Internal Standard ◽  
Fused Silica ◽  
Gas Chromatograph ◽  
Ionization Detector ◽  
Flame Ionization ◽  
Split Ratio

Abstract In this method for detection and quantification of volatile alcohols by capillary gas chromatography, the serum sample is deproteinized, then directly injected into the gas chromatograph with 1-propanol as the internal standard. The capillary column is a 30-m bonded methylsilicone-coated, fused-silica column. With helium as the carrier gas, the injector inlet is set at a split ratio of 1/30 and the average linear velocity in the column is 25 cm/s. Injector and flame-ionization detector temperatures are 280 degrees C, oven temperature 35 degrees C. Chromatography time is less than 3 min.

Experimental and kinetic study on di-tertiary butyl peroxide auto-ignition and its effect on the ignition of n-heptane

Fuel ◽  
2020 ◽  
Vol 259 ◽  
pp. 116294
Author(s):  
Zhongjun Wan ◽  
Zujun Zheng ◽  
Ping Li ◽  
Changhua Zhang
Keyword(s):  
Kinetic Study ◽  
Tertiary Butyl ◽  
Auto Ignition ◽  
Butyl Peroxide

MERCURY-PHOTOSENSITIZED OXIDATIONS OF HYDROCARBONS: PART II. THE MERCURY-PHOTOSENSITIZED OXIDATION OF ISOBUTANE

1961 ◽  
Vol 39 (7) ◽  
pp. 1424-1433 ◽  
Author(s):  
K. M. Bell ◽  
C. A. McDowell
Keyword(s):  
Methyl Alcohol ◽  
Butyl Alcohol ◽  
Tertiary Butyl Alcohol ◽  
Tertiary Butyl ◽  
Photosensitized Oxidation ◽  
Butyl Hydroperoxide ◽  
Wide Range ◽  
Butyl Peroxide

The mercury-photosensitized oxidation of isobutane has been studied over a wide range of pressures of the hydrocarbon and oxygen, in a conventional static photochemical apparatus at the temperatures of 30 °C and 100 °C. The main products of the reaction are tertiary butyl hydroperoxide, together with tertiary butyl alcohol, acetone, and corresponding small quantities of formaldehyde and methyl alcohol. Isobutyraldehyde was also detected; ditertiary butyl peroxide being notably absent. Peroxide yields suggest that a reaction between an excited isobutane molecule and oxygen is important in the initiation processes and that peroxide is formed in the reaction[Formula: see text]

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