近红外光是介于可见光和中红外光之间的电磁波,根据美国实验和材料检测协会(ASTM)的定义是指波长在780~2526nm的电磁波,通常分为近红外短波和近红外长波.近红外光谱属于分子振动光谱的倍频和主频吸收光谱,穿透力较强.近红外光谱分析技术是大型化工、食品加工、制药等领域生产所必须的重要分析技术之一.阐述了近红外光谱技术在药物分析中的应用及该技术的特点和分析方法原理.%Near-infrared light is an electromagnetic wave between visible light and mid-infrared light.According to the American Society for Testing and Materials Testing(ASTM),it refers to electromagnetic waves with a wavelength in the range of 780-2526 nm, which are usually divided into near-infrared shortwave and near Infrared long wave.Near infrared spectroscopy belongs to frequency doubling and dominant frequency absorption spectrum of molecular vibrational spectroscopy,penetrating power is strong.Near-infrared spectroscopy is one of the most important analytical techniques necessary for the production of large-scale chemical,food processing, pharmaceutical and other fields.The article describes the application of near infrared spectroscopy in drug analysis and the characteristics of the technology and the principle of the analytical method.
展开▼
