1.1”This practice covers two levels of tests to measure the performance of laboratory Fourier transform near infrared (FT-NIR) spectrometers. This practice applies to the short-wave near infrared region, approximately 800 nm (12”’500”’cm^”’1) to 1100 nm (9090.91 cm^”’1); and the long-wavelength near infrared region, approximately 1100 nm (9090.91 cm^”’1) to 2500 nm (4000 cm^”’1). This practice is intended mainly for transmittance measurements of gases and liquids, although it is broadly applicable for reflectance measurements.

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Published:

04/01/2021

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