Page 179 - 006
P. 179

173


                        10.3.5  V !O   8 $3    8 #Q $QfQ" !8" $R (Spectrophotometer type)

                                   * #       ##'   (   ! 5(      3 %  (
                                 1)  V O;	:  8O  %  (single  beam  type)   % 1  !  	  (" 
 !   #!

                                      !
                                                                                             1




                                                                                       /


                           (reference      blank)     	(!   	  "   (sample)    (   '   &,  
 #  "



                                        6






                                                                             /


                        ! !  5 "  	  "     
    ## 6/ K        ! "   '  !H " - .  
      &   /1

                      &      /"     5(  "   
* 
 " 5 !    H
  ( (scan) (
  ((
 6  !    !
                                                      7




                                                                                )
                                                                                     )
                       K 5(  "        6/
                                      !



                                 2)  V O;	:   X_ (double  beam  type)  	(&          !  ("
  ! '

                                                                                      1


                    ! ' /3     
  * 
 	  "
 !    3   !            !   	  "  ! 	#
  '   &

                                            +/
                                                +/




                                                             /



                         /


                    ! '3   	  "   (  &      !22  '5( #* 

     "# '"#!   	  "  
#!
                                                                                      1




                                                                                                   1
                           &    !H " - .  
   	(&          ! (  
     %   (5V
   ( ! '


                                                                                                 /
                   !   !    !)  *+ '1        &  . 
    & 6/   6  1  !  ( /"
                                                                                   6/

                                                                            +7

                                 3)  V O;	:  :%# (split-beam  type) !        . %( %"&   5 & '          /
                                      !






                                    /


                      % ( 1  !  ("      
&    #     % ( 1  !&)   ("
   #  1  ! 
   	  "
 !

                                                                             6/

                       2  !       " ! !    "  / 5  

  '# &      * 	( .    
(!22           !





                                                                 6/


                   !     2 ' /   6 * 3    	  "
 !   	  "        & 6/     * 	(  
 	   +/     1 (#  .    
(

                                                                                               6/



                                                                                          1


                   !22  * 
!   	  "          "# '"#
#!22  * 
 1  !         * '     ##
                                                                                        +


                                                                                                      7
                    !H " - .  
      &

                                                3
                   10.4  8 $3     O#	$OXO#; :      I"   (Atomic absorption
                   spectroscopy: AAS)

                          '&  &   &    ,   "  L  % &0 ! #	      ! ' /              (#    Y
      %


                         !  (emission) 
  ((
 6  !  (absorption)    
      !  (fluorescence)
                                                                     6
                                            )
                      * 	(     !  '    
     &      .   !    H   *   &    3 5(  (       "   %



                                                                                                  1
                                                      ,
                                                                                           Y
                                                                                ,
                                       /



                        "       &     	  "  5(   
   "  '& &      
  #   .% !  
 ' !



                                       ,
                                                                                    ,

                                                                    /


                                                                 +/
                   (atomic absorption spectroscopy)      '& &   '  $	"! #  
  ((
 6  !
                                                                                   )
                     
     &    , %         %

                        10.4.1  M; ##	$  	 	  (Working description)


                                                                      /

                                       
  #   %    
  #  
  ' 
(* 
       !   (free  atoms)

                                                  ,
                                                                  +7
                                                               +/
                      L  0((
 6  ! '&   "  & 6/  8.  &         "
#% (   L  0 L  0     % (*
                                       /
                            )

                                                                      )
   174   175   176   177   178   179   180   181   182   183   184