Universal atr sampling accessory user's guide

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Attenuated total reflectance (ATR) techniques offer a convenient alternative to thin-film, KBr pellet or diffuse reflectance measurements. The Universal ATR The MIRacle features a universal sampling plate design that eliminates the need for separate trough and flat plates, such as normally required in ATR for The universal ATR is a general accessory for the analysis of solids and liquids. The pressure arm enables good contact of the sample with the diamond crystal ( Universal ATR Sampling Accessory User's Guide. How the UATR works. The technique involves placing a sample on top of a crystal with a high refractive index. Horizontal ATR accessories using crystal materials such as zinc selenide, thallium bromide/iodide and germanium are used extensively for analysis of liquids28 . Spectrum 100 Series User's Guide. Accessories for the Spectrum instrument. There is a range of specialized sampling accessories available for the. Minimizing user-to-user spectral variation. Higher quality spectral databases sion sampling but both suffer from Series' Universal ATR accessory,.