1.1?This guide covers active open-path Fourier transform infrared (OP/FT-IR) monitors and provides guidelines for using active OP/FT-IR monitors to obtain concentrations of gases and vapors in air. 1.2?The values stated in SI units are to be regarded as standard. No other units
ASTM E1865-97(2021) Referenced Document
ASTM E131 Standard Definitions of Terms and Symbols Relating to Molecular Spectroscopy
ASTM E1421 Standard Practice for Describing and Measuring Performance of Fourier Transform Mid-Infrared (FT-MIR) Spectrometers: Level Zero and Level One Tests
ASTM E1655 Standard Practices for Infrared Multivariate Quantitative Analysis
ASTM E168 Standard Practices for General Techniques of Infrared Quantitative Analysis
ASTM E1865-97(2021) history
2021ASTM E1865-97(2021) Standard Guide for Open-Path Fourier Transform Infrared (OP/FT-IR) Monitoring of Gases and Vapors in Air
1997ASTM E1865-97(2013) Standard Guide for Open-Path Fourier Transform Infrared (OP/FT-IR) Monitoring of Gases and Vapors in Air
1997ASTM E1865-97(2007) Standard Guide for Open-Path Fourier Transform Infrared (OP/FT-IR) Monitoring of Gases and Vapors in Air
1997ASTM E1865-97(2002) Standard Guide for Open-Path Fourier Transform Infrared (OP/FT-IR) Monitoring of Gases and Vapors in Air
1997ASTM E1865-97 Standard Guide for Open-Path Fourier Transform Infrared (OP/FT-IR) Monitoring of Gases and Vapors in Air