...(2) is a method for measuring the density change of a sample due to moisture, and (3) is a method for measuring the relative humidity of the atmosphere in equilibrium with the sample. (4) is a method for quantifying moisture using a reagent that chemically reacts with water, such as the Karl Fischer moisture meter. (5) is a method for measuring the electrical resistance or dielectric constant of a sample, which changes depending on the moisture, and is called an electrical resistance type, high frequency type, or dielectric constant type moisture meter. ... *Some of the terms used in reference to the Karl Fischer moisture meter are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…(2)は水分による試料の密度変化を,(3)は試料と平衡状態にある雰囲気の相対湿度を測定する方法である。(4)は水と化学的に反応する試薬によって水分を定量する方法で,カールフィッシャー水分計がある。(5)は水分によって変化する試料の電気抵抗や誘電率を測定する方法で,電気抵抗式,高周波式,あるいは誘電率式水分計といわれる。… ※「カールフィッシャー水分計」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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