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gas phase molecules

gas phase molecules, Total:15 items.

In the international standard classification, gas phase molecules involves: Analytical chemistry, Water quality, Test conditions and procedures in general, Organic chemicals.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, gas phase molecules

• GB/T 42027-2022 Gas-phase molecular absorption spectrometer

Professional Standard - Environmental Protection, gas phase molecules

• HJ/T 199-2005 Water quality Determination of tota-nitrogen Gas-phase molecular absorption spectrometry
• HJ/T 195-2005 Water quality - Determination of ammonia-nitrogen Gas-phase molecular absorption spectrometry
• HJ/T 196-2005 Water quality - Determination of Kjeldahl-nitrogen Gas-phase molecular absorption spectrcmetry
• HJ/T 200-2005 Water quality - Determination of sulfide Gas-phase molecular absorption spectrometry
• HJ/T 198-2005 Water quality - Determination of nitrate-nitrogen Gas-phase molecular absorption spectrometry
• HJ/T 197-2005 Water quality - Determination of nitrite-nitrogen Gas-phase molecular absorption spectrometry

Group Standards of the People's Republic of China, gas phase molecules

• T/CHES 15-2017 Determination of Total Nitrogen in Water Quality Gas Phase Molecular Absorption Spectrometry
• T/CHES 12-2017 Water Quality Determination of Ammonia Nitrogen Gas Phase Molecular Absorption Spectrometry
• T/CHES 16-2017 Determination of Sulfide in Water Quality by Gas Phase Molecular Absorption Spectrometry
• T/CHES 13-2017 Water Quality Determination of Nitrate Nitrogen Gas Phase Molecular Absorption Spectrometry
• T/CHES 14-2017 Water Quality Determination of Nitrite Nitrogen Gas Phase Molecular Absorption Spectrometry
• T/CHES 26-2019 Determination of water quality permanganate index gas phase molecular absorption spectrometry

Professional Standard - Agriculture, gas phase molecules

• SC/T 9444-2023 Determination of ammonia nitrogen in aquaculture water by gas phase molecular absorption spectrometry

International Organization for Standardization (ISO), gas phase molecules

• ISO 8173:1986 Light olefins for industrial use; Determination of molecular oxygen in gaseous phase; Electrochemical method with a membrane- covered cell

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