MARC details
| 000 -LEADER |
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| fixed length control field |
03423ntm a2200337 i 4500 |
| 003 - CONTROL NUMBER IDENTIFIER |
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| control field |
MY-KuUP |
| 005 - DATE AND TIME OF LATEST TRANSACTION |
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| control field |
20260603124742.0 |
| 006 - FIXED-LENGTH DATA ELEMENTS--ADDITIONAL MATERIAL CHARACTERISTICS |
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| fixed length control field |
t||||fr|||| 000 0 |
| 007 - PHYSICAL DESCRIPTION FIXED FIELD--GENERAL INFORMATION |
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| fixed length control field |
ta |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION |
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| fixed length control field |
260603t20252025my a|||fr|||| 000 0 eng d |
| 020 ## - INTERNATIONAL STANDARD BOOK NUMBER |
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| International Standard Book Number |
THE0010537 (Local) |
| Qualifying information |
Hardback |
| 040 ## - CATALOGING SOURCE |
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| Original cataloging agency |
UMPSA |
| Language of cataloging |
eng |
| Transcribing agency |
UMPSA |
| Description conventions |
rda |
| 090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN) |
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| Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) |
FTKEE .S53 2025 r Thesis |
| 100 0# - MAIN ENTRY--PERSONAL NAME |
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| Personal name |
Wan Mohamad Shafiq Wan Salleh, |
| Relator term |
author. |
| 245 10 - TITLE STATEMENT |
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| Title |
Spectroscopy study of free fatty ACID detection using an open path optical method / |
| Statement of responsibility, etc. |
Wan Mohamad Shafiq Wan Salleh |
| 264 #1 - PRODUCTION, PUBLICATION, DISTRIBUTION, MANUFACTURE, AND COPYRIGHT NOTICE |
|---|
| Place of production, publication, distribution, manufacture |
Kuantan, Pahang : |
| Name of producer, publisher, distributor, manufacturer |
UMPSA, |
| Date of production, publication, distribution, manufacture, or copyright notice |
2025 |
| 264 #4 - PRODUCTION, PUBLICATION, DISTRIBUTION, MANUFACTURE, AND COPYRIGHT NOTICE |
|---|
| Date of production, publication, distribution, manufacture, or copyright notice |
© 2025 |
| 300 ## - PHYSICAL DESCRIPTION |
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| Extent |
xiv, 82 pages : |
| Other physical details |
illustrations : |
| Dimensions |
30 cm. + |
| Accompanying material |
1 CD ROM. |
| 336 ## - CONTENT TYPE |
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| Source |
rdacontent |
| Content type term |
text |
| 337 ## - MEDIA TYPE |
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| Source |
rdamedia |
| Media type term |
unmediated |
| 338 ## - CARRIER TYPE |
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| Source |
rdacarrier |
| Carrier type term |
volume |
| 347 ## - DIGITAL FILE CHARACTERISTICS |
|---|
| Source |
rda |
| File type |
text file |
| Encoding format |
PDF |
| 500 ## - GENERAL NOTE |
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| General note |
Faculty of Electrical & Electronics Engineering |
| 502 ## - DISSERTATION NOTE |
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| Dissertation note |
Thesis (Master of Science) -- Universiti Malaysia Pahang - 2025 |
| 504 ## - BIBLIOGRAPHY, ETC. NOTE |
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| Bibliography, etc. note |
Includes bibliographical references |
| 520 3# - SUMMARY, ETC. |
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| Summary, etc. |
has high oxidative stability when used for frying. However, repeatedly heated palm oil leads to chemical deterioration which can lead to the formation of compounds that are dangerous to the human body which are called free fatty acids. Consumers know that repeatedly heated cooking oil is harmful to the human body but most people do not know how many times cooking oil can be used. Currently, there are not many options to determine the level of free fatty acid. The current technology requires a high cost of equipment. In this research, the open path optical method was chosen to determine the level of free fatty acid in the palm cooking oil. The open path optical method was chosen because this technique does not change the chemical properties of the sample as no other chemical is added to the sample. The objective of this study is to analyze the absorbance spectrum of repeatedly heated palm oil and identify the optimum wavelength for free fatty acid study. Besides that, to determine the relationship between the concentration of free fatty acid and the absorbance and to verify the reading of the absorbance spectrum using an oil test strip. A light source and a spectrometer were used in this research with the help of the Spectrasuite software. The prepared sample was heated cooking oil that was heated for a different duration. The samples were poured into a cuvette then the cuvette was placed inside the setup to obtain the absorbance spectrum of each sample. The experiment result shows that the sample that was heated for the longest duration displays the highest absorbance compared to the other prepared samples. Specifically, the absorbance of each sample is increased by 0.02% - 0.04% compared to the unheated oil cooking palm. In this research, at the wavelength of 364 nm was identified as the optimum wavelength to assess the concentration of the FFA. The absorbance spectrum and concentration of free fatty acid are different if the heating duration is different as discussed in the studies. The result produced from the open-path optical method was compared with a chemical test, demonstrating that the accuracy of this method is comparable to that of commercial oil test strips. |
| 610 20 - SUBJECT ADDED ENTRY--CORPORATE NAME |
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| Corporate name or jurisdiction name as entry element |
Faculty of Electrical & Electronics Engineering |
| General subdivision |
Dissertations |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
Universities and colleges |
| General subdivision |
Dissertations |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM |
|---|
| Topical term or geographic name entry element |
Theses |
| General subdivision |
Dissertations |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) |
|---|
| Source of classification or shelving scheme |
Library of Congress Classification |
| Koha item type |
Thesis |