【名词&注释】
选择性(selectivity)、入射光(incident light)
                            
                                                                                                                                                                                             
                                                                     [单选题]影响有色配合物的摩尔吸光系数的因素是()
                                                                                                
                                  A. 吸收池的厚度 
  B. 有色配合物的浓度 
  C. 配合物的K稳 
  D. 入射光的波长 
 
                                    
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                                     [单选题]One of the main advantages of a graphite-furnace atomizer is that()
                                                                                                            
                                            A. It requires only very small quantities of a sample 
  B. It requires metal.ions in aqueous solution 
  C. It does not produce background emission like a flame 
  D. It does not get hot like a flame 
 
                                                                    
                                    
                                     [单选题]某电导池两电极间距离为1cm,电极面积为0.5cm2,则其电导池常数为()
                                                                                                            
                                            A. 0.5 
  B. 1 
  C. 1.5 
  D. 2 
 
                                                                    
                                    
                                     [单选题]固定液的选择性可用下列哪个参数来衡量()
                                                                                                            
                                            A. 保留值 
  B. 相对保留值 
  C. 塔板高度 
  D. 理论塔板数 
 
                                                            
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