采用粒度分析、SEM、XRD、IR、DTA和TG、反气相色谱（IGC）和BET多层吸附等测试方法对干粉磨高岭土进行分析测定。
The determination of particle size, together with SEM, XRD, IR, DTA, TG, inverse gas chromatography (IGC)and BET multi-layer absorption techniques were used to characterise kaolin samples.
用活性碳吸附管采集大气中的苯系物，二氯甲烷替代二硫化碳作为脱附剂，毛细管气相色谱分离分析。
BTEX in air were adsorbed by active carbon tube, replaced carbon bisulfide by dichloromethane as reagent, analyzed by using Capillary GC-FID.
硅胶管吸附空气中二乙基甲酮，热解吸后气相色谱(FID)测定。
Silica gel adsorption and thermal desorption were used for the sampling of diethyl ketone and analysis was performed by GC (FID).
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