{"id":1394,"date":"2018-11-12T21:17:59","date_gmt":"2018-11-12T21:17:59","guid":{"rendered":"https:\/\/aviantechnologies.a2hosted.com\/aviantech\/?post_type=product&p=1394"},"modified":"2024-03-21T18:28:39","modified_gmt":"2024-03-21T18:28:39","slug":"transmittance-wavelength-calibration-standards","status":"publish","type":"product","link":"https:\/\/aviantechnologies.com\/avianmirror\/product\/transmittance-wavelength-calibration-standards\/","title":{"rendered":"Transmittance Wavelength Calibration Standards"},"content":{"rendered":"
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Avian Technologies offers four rare earth oxide glass filters; holmium oxide glass<\/a>, didymium oxide glass<\/a>, a\u00a0multiple oxide filter<\/a>, and a long wavelength filter<\/a>. All filters have peaks useable in the UV-Vis-NIR; didymium oxide is typically used in the visible region of the spectrum, while multiple oxide, holmium oxide, and long wavelength filters are used over the entire UV-Vis-NIR range.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Multiple Oxide Filter (WCT-2065)<\/h4>\n

Avian Technologies, working in conjunction with the Analytical Chemistry Division of NIST, offers a wavelength calibration standard for the Vis-NIR spectral range.<\/p>\n

WCT-2065 is the equivalent of NIST SRM-2065. This standard is useful in the calibration of NIR spectrophotometers, both dispersive and Fourier transform, in the 400-2200 nm wavelength range. The filter material is glass made with a combination of rare earth oxides, including holmium oxide, samarium oxide, ytterbium oxide, and neodymium oxide in a base glass containing oxides of lanthanum, boron, silicon, and zirconium.<\/p>\n

The standard is also available in a reflectance version<\/a>.<\/p>\n

Options\/Specifications<\/h5>\n
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Long Wavelength Range Wavelength Calibration Standard<\/h4>\n

This Avian Technologies standard combines NIST 2065 glass (Avian Technologies WCT-2065) and polystyrene to give a wavelength standard with useable peaks beyond 2300 nm, to meet the calibration needs for modern portable near-infrared spectrometers.<\/p>\n

Options\/Specifications<\/h5>\n
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