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dc.contributor.authorK. Won-Inen_US
dc.contributor.authorT. Sakoen_US
dc.contributor.authorC. Thongleurmen_US
dc.contributor.authorS. Intarasirien_US
dc.contributor.authorU. Tippawanen_US
dc.contributor.authorT. Kamwannaen_US
dc.contributor.authorW. Pattanasiriwisanaen_US
dc.contributor.authorS. Tancharakornen_US
dc.contributor.authorN. Kamonsutthipaijiten_US
dc.contributor.authorP. Dararutanaen_US
dc.description.abstractFor more than half of humanity, rice is life. Rice is a grain which has shaped the history, culture, diet and economy of billions of people in Asia. In Thailand, it is the essence of life. Archaeological evidence revealed that rice had been planted in northeastern area of Thailand more than 5,500 years ago which is earlier than in China and India. The ancient rice grains were found in various archaeological sites in Thailand such as Nakhon Nayok, Suphan Buri and Prachin Buri Provinces. In this work, the ancient black rice from Nakhon Nayok Province was elementally analyzed using scanning electron microscope coupled with energy dispersive X-ray fluorescence spectroscopy, proton induced X-ray emission spectroscopy and micro-beam energy dispersive X-ray fluorescence spectroscopy. Infrared (IR) spectroscopy was also used to study the chemical composition and bio-molecular structure. The grains were oblique in shape with a rough surface. Three major elements (Si, Ca and Al) and other trace elements were detected. The IR spectra provided some information about the presence of molecular bonds. © 2013 Akadémiai Kiadó, Budapest, Hungary.en_US
dc.subjectEnvironmental Scienceen_US
dc.titleNuclear analytical methods on ancient Thai riceen_US
article.title.sourcetitleJournal of Radioanalytical and Nuclear Chemistryen_US
article.volume297en_US Universityen_US Nakhon Sri Ayuttayaen_US Mai Universityen_US Kaen Universityen_US Light Research Instituteen_US Thai Armyen_US
Appears in Collections:CMUL: Journal Articles

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