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ASTM E1944 PDF
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Standard Practice for Describing and Measuring Performance of Laboratory Fourier Transform Near-Infrared (FT-NIR) Spectrometers: Level Zero and Level One Tests
| Published by | Publication Date | Number of Pages |
| ASTM | 04/01/2021 | 5 |
ASTM E1944 – Standard Practice for Describing and Measuring Performance of Laboratory FourierTransform Near-Infrared (FT-NIR) Spectrometers: Level Zero and LevelOne Tests
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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