Evaluation of thermal desorption as an alternative technique for the measurement of coal tar pitch volatiles
作者： Van der Merwe , Cornelius Johannes
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摘要: 28 Introduction 29 Methodology 31 NIOSHs’ Method 5515 OSHAs’ 58 32 Thermal desorption technique based method 33 Flow-rate determination and standardization Statistical analysis of results 34 Results 35 Average concentration total CTPVs Variation within (intra-variation) between (inter-variation) methods over sampling period 36 concentrations individual 41 for 42 Comparison sample costs the three including TD 47 Discussion 48 49 Correlation differences 50 52
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