》》近紅外光譜儀
Near infrared spectrometer
近紅外光譜主要對應(yīng)于含氫基團振動的倍頻和合頻吸收,因此近紅外光譜儀可測量多數(shù)有機化合物的組分信息,并具有分析速度快、樣品無損、綠色無污染等特點,廣泛應(yīng)用于食品、藥品、醫(yī)學(xué)、石油化工等多個領(lǐng)域。
The near-infrared spectroscopy mainly
corresponds to the frequency-doubled and combined-frequency absorption of
hydrogen-containing group vibrations. Therefore, near-infrared spectroscopy can
measure the composition information of most organic compounds, and has the
characteristics of fast analysis speed, non-destructive sample, green and no
pollution, and is widely used in Food, drug, medicine, petrochemical and other
fields.
》》應(yīng)用領(lǐng)域
Application field
》》應(yīng)用實例
Application example
▍無損檢測蘋果糖度
Non-destructive testing of apple sugar content
▍白芷產(chǎn)地鑒別
Angelica dahurica's growing place
identification
▍白芷摻假定量分析
Quantitative analysis of adulterant Angelica
dahurica
》》儀器優(yōu)勢和特點
Advantages and features
1、完全自主設(shè)計、研發(fā);
2、性能穩(wěn)定,高靈敏度;
3、無需對樣品預(yù)處理,操作便捷、快速、無污染;
4、小型便攜,附件完備,軟件易擴展;
5、已在中藥、水果檢測等領(lǐng)域進行定性和定量分析;
》》近紅外光譜技術(shù)
Near infrared spectroscopy
近紅外光譜儀的波長介于可見光與中紅外之間,波長范圍為780-2500nm,近紅外光譜屬于分子振動光譜,主要對應(yīng)于含氫基團X-H(如C-H、N-H、O-H等)振動的倍頻和合頻吸收,包含了多數(shù)有機化合物的組分信息。近紅外光譜法(NIRS)具有分析速度快、樣品無損、綠色無污染等特點,可用于定性、定量分析以及生產(chǎn)過程中的在線監(jiān)測,廣泛應(yīng)用于食品、藥品、醫(yī)學(xué)、石油化工等多個領(lǐng)域。