区域环境空气臭氧自动监测质量评估技术要求
Technical requirements for the quality evaluation of regional ambient air ozone automatic monitoring
Technical requirements for the quality evaluation of regional ambient air ozone automatic monitoring
Ambient air and waste gas—Determination of 6 acrylic ester compounds —Gas chromatography
Stationary source emission—Determination of acrylic acid and methacrylic acid—High performance liquid chromatography
Water quality—Determination of sulfide —Gas-phase molecular absorption spectrometry
Water quality—Determination of total nitrogen —Gas-phase molecular absorption spectrometry
Water quality—Determination of ammonia nitrogen —Gas-phase molecular absorption spectrometry
Soil and sediment—Determination of 19 total metal elements —Inductively coupled plasma mass spectrometry
Water quality-Determination of aniline compoundsGas chromatography mass spectrometry
Soil and stream sediment-Determination of iodine content-Pressurized ammonia extraction inductively coupled plasma mass spectrometry
Inspection and assessment specification for construction quality of hydraulic and hydroelectric engineering