long optical path
long optical path, Total:4 items.
The international standard classification for "long optical path" includes: .
The Chinese standard classification for "long optical path" includes: .
Group Standards of the People's Republic of China
- T/CNTAC 69-2020 Textile — Determination of formaldehyde — Automatic derivatization method using long optical path spectrophotometry
Professional Standard - Ocean
- HY/T 0345-2022 Determination of seawater trace nitrite—Flow analysis,diazotization and spectrophotometric detection witha long path length flow cell
- HY/T 0346-2022 Determination of seawater trace nitrate—Flow analysis,cadmium reduction,diazotization and spectrophotometric detection with a long path length flow cell
American Society for Testing and Materials (ASTM)
- ASTM E1982-98(2007) Standard Practice for Open-Path Fourier Transform Infrared (OP/FT-IR) Monitoring of Gases and Vapors in Air
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