The Development of a Microbore High Performance Liquid Chromatographic Method for the Determination of Polycyclic Aromatic Hydrocarbons PDF Download
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Author: Kenneth A. Byrne
Publisher:
ISBN:
Category : Hydrocarbons
Languages : en
Pages : 0
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Book Description
Author: Kenneth A. Byrne
Publisher:
ISBN:
Category : Hydrocarbons
Languages : en
Pages : 0
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Book Description
Author: F. J. Yang
Publisher: CRC Press
ISBN: 100010382X
Category : Science
Languages : en
Pages : 420
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Book Description
This book describes the various aspects of microbore column chromatography. It provides readers with an in-depth understanding of the supercritical fluid chromatography and microbore high-performance liquid chromatography.
Author: J. Gundel
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Mary C. Olson
Publisher:
ISBN:
Category : Contaminated sediments
Languages : en
Pages : 62
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Book Description
Author:
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 1940
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Book Description
Vols. for 1963- include as pt. 2 of the Jan. issue: Medical subject headings.
Author: Ruchaya Boonyatumanond
Publisher:
ISBN: 9789746623926
Category : Liquid chromatography
Languages : en
Pages : 258
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Book Description
Author: M. Yoshioka
Publisher: VSP
ISBN: 9789067641135
Category : Science
Languages : en
Pages : 316
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Book Description
First published in 1988. Routledge is an imprint of Taylor & Francis, an informa company.
Author: V. Pino
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Jari Tuominen
Publisher:
ISBN: 9789513835668
Category : Chromatographic analysis
Languages : en
Pages : 77
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Book Description
Author: Thongsuk Payanan
Publisher:
ISBN:
Category : Cooking oils
Languages : en
Pages : 234
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Book Description
Two sample preparation techniques, low-temperature cleanup and sweep co-distillation, which are simple, fast, inexpensive and using small amount of organic solvent have been developed for the determination of 16 polycyclic aromatic hydrocarbons (PAHs) in refined and used cooking oil samples by high-performance liquid chromatography with fluorescence detection (HPLC-FLD). For low-temperature cleanup method, freezing time, extraction solvent, number of extraction and SPE cleanup affected the extraction efficiency. Optimum extraction was achieved when using a mixture of acetonitrile and acetone (80:20, v/v) as extraction solvent, freezing between -18 oC to -25 oC for 24 hours twice and cleanup with alumina N SPE cartridge. This method was effectively determined all 16 PAHs. The recoveries were 45.88 - 118.47%. Limit of detections (LODs) and limit of quantitations (LOQs) were 0.13 to 3.13 ng/g and 0.25 to 6.25 ng/g, respectively. In sweep co-distillation method, distillation temperature and time had an effect on the extraction efficiency. Optimum extraction was attained when distillated at 235 oC for 60 minutes. However, this method was quantitatively analyzed only 8 PAHs. The recoveries were 47.48 - 119.47%. LODs and LOQs values were about two times higher than low-temperature cleanup method. Finally, both methods were successfully tested for determination of PAHs in reference materials of olive oil (RM FAPAS T0631) and real cooking oil samples.
