Wir benötigen Ihre Einwilligung zur Verwendung der einzelnen Daten, damit Sie unter anderem Informationen zu Ihren Interessen einsehen können. Klicken Sie auf "OK", um Ihre Zustimmung zu erteilen.
Standard Practice for Describing and Measuring Performance of Fourier Transform Mid-Infrared (FT-MIR) Spectrometers: Level Zero and Level One Tests
Automatische name übersetzung:
Standard Praxis zur Beschreibung und Messung der Performance- Fourier-Transformations- Mid- Infrared (FT - MIR) Spektrometer : Stufe Null und Level One Tests
NORM herausgegeben am 1.2.2004
Bezeichnung normen: ASTM E1421-99(2004)
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.2.2004
SKU: NS-41708
Zahl der Seiten: 12
Gewicht ca.: 36 g (0.08 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
Fourier transform infrared, FT-IR, level one test, level zero test, performance test, spectrometers
Significance and Use | ||||||||
This practice permits an analyst to compare the general performance of an instrument on any given day with the prior performance of an instrument. This practice is not necessarily meant for comparison of different instruments with each other even if the instruments are of the same type and model. This practice is not meant for comparison of the performance of one instrument operated under differing conditions. |
||||||||
1. Scope | ||||||||
1.1 This practice describes two levels of tests to measure the performance of laboratory Fourier transform mid-infrared (FT-MIR) spectrometers equipped with a standard sample holder used for transmission measurements. 1.2 This practice is not directly applicable to FT-IR spectrometers equipped with various specialized sampling accessories such as flow cells or reflectance optics, nor to Fourier Transform Near-Infrared (FT-NIR) spectrometers, nor to FT-IR spectrometers run in step scan mode. 1.2.1 If the specialized sampling accessory can be removed and replaced with a standard transmission sample holder, then this practice can be used. However, the user should recognize that the performance measured may not reflect that which is achieved when the specialized accessory is in use. 1.2.2 If the specialized sampling accessory cannot be removed, then it may be possible to employ a modified version of this practice to measure spectrometer performance. The user is referred to Guide E 1866 for a discussion of how these tests may be modified. 1.2.3 Spectrometer performance tests for FT-NIR spectrometers are described in Practice E 1944. 1.2.4 Performance tests for dispersive MIR instruments are described in Practice E 932. 1.2.5 For FT-IR spectrometers run in a step scan mode, variations on this practice and information provided by the instrument vendor should be used. |
||||||||
2. Referenced Documents | ||||||||
|
Wollen Sie sich sicher sein, dass Sie nur die gültigen technischen Normen verwenden?
Wir bieten Ihnen eine Lösung, die Ihnen eine Monatsübersicht über die Aktualität der von Ihnen angewandten Normen sicher stellt.
Brauchen Sie mehr Informationen? Sehen Sie sich diese Seite an.
Letzte Aktualisierung: 2024-08-25 (Zahl der Positionen: 2 344 896)
© Copyright 2024 NORMSERVIS s.r.o.