HJ 779-2015 环境空气六价铬的测定柱后衍生离子色谱法
Ambient air-determination of hexavalent chromium (VI) lon chromatography with post-column method
Ambient air-determination of hexavalent chromium (VI) lon chromatography with post-column method
Ambient air and waste gas from stationary sources emission-determination ofmetal elements in ambient particle matter-inductively coupled plasma opticalemission spectrometry
Ambient air-Determination of volatile organic compounds- Collected byspecially-prepared canistersand analyzed by gas chromatography/mass spectrometry
Ambient air-Determination of nitroaromatics-Gas chromatographymass spectrometry
Ambient air-determinat ion of nitroaromatics-gaschromatogr aphy
Stat ionary source emission-determinat ion of volati le organiccompounds-sorbent adsorpt ion and thermal desorpt i on gaschromatogr aphy mass spectrometry method
Gu idel ine for the Determi nation of Volati le Organ ic Compound Leaksand Uncovered Liqu id Surface Emissions
Emission from stationary sources-Sampling of volatile organiccompounds-Bags method
Stationary source emission-determination of nitrogen oxides-Fixed potential by electrolysis method
Stationary source emission-determination of nitrogen oxidesNon-dispersive infrared absorption method