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Measurement of Hydrated Water in D-Glucose Powder Using THz-Wave Spectroscopy
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- ABE Kaori
- Graduate school of Agricultural Science, Tohoku University
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- HAYASHI Shin'ichiro
- Graduate school of Agricultural Science, Tohoku University Terahertz-Wave Research Program, Riken
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- DOKI Norihito
- Department of Chemical Engineering, Iwate University
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- OTANI Chiko
- Terahertz-Wave Research Program, Riken
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- KAWASE Kodo
- Graduate school of Agricultural Science, Tohoku University Terahertz-Wave Research Program, Riken Graduate school of Engineering, Nagoya University
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- MIYAZAWA Teruo
- Graduate school of Agricultural Science, Tohoku University
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- OGAWA Yuichi
- Graduate school of Agricultural Science, Tohoku University
Bibliographic Information
- Other Title
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- テラヘルツ帯の分光スペクトルを利用するグルコース中の水和水計測
- テラヘルツタイ ノ ブンコウ スペクトル オ リヨウスル グルコースチュウ ノ スイワスイ ケイソク
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Description
In this paper, we introduce a new method to measure the amount of water of crystallization in d-glucose powder using terahertz (THz) wave spectroscopy. We measured five crystalline d-glucose samples: one anhydrous, one monohydrate, and three in various states of partial dehydration, whose water content was measured independently by using Karl Fischer's method. By analyzing the THz absorption spectra, particularly the absorption peaks at 60.3, 65.6, and 80.5 cm−1, which are strongly correlated with the hydration ratio, we could obtain a highly reliable analytical curve, with a correlation coefficient of 0.9509 and a standard error of prediction of 0.714. This study suggests the possibility of measuring the water of crystallization nondestructively, without using an organic solvent.<br>
Journal
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- BUNSEKI KAGAKU
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BUNSEKI KAGAKU 56 (10), 851-856, 2007
The Japan Society for Analytical Chemistry
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Details 詳細情報について
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- CRID
- 1390282679331338496
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- NII Article ID
- 110006404128
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- NII Book ID
- AN00222633
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- COI
- 1:CAS:528:DC%2BD2sXht1equ7zF
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- NDL BIB ID
- 8972319
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- ISSN
- 05251931
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- Text Lang
- ja
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- Article Type
- journal article
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- Data Source
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- JaLC
- NDL Search
- Crossref
- NDL Digital Collections (NII-ELS)
- CiNii Articles
- KAKEN
- OpenAIRE
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- Abstract License Flag
- Disallowed
