Page 112 - 006
P. 112

106




                                "  %	 #	$ 	 serial  solution     	$;I;	% 	$r_	: ;
                                      _

                   (Example of serial solution preparing)

                                    
  !      " chlopyrifos  &         0.5,  1.0,  1.5,  2.0,  2.5      3.0  ppm

                   &             100              	 '1     " acetone * 
 chlopyrifos ' /     technique grade 95%
                                1)  Stock solution
                                       
   stock solution 10,000 ppm 100


                                                      M 1 V 1  = V 2
                                                              M
                                                                2
                                               950 , 000×V 1 =  , 10 000× 100

                                                                , 10 000× 100
                                                         V 1 =
                                                                950 , 000

                                                         V 1 =  . 1  0526



                                       	7
                                                	/
                                                                 /
                                   (   *     % !   chlopyrifos '    technique grade 95%    1.0526
                                          +







                       "( " acetone   #        5( 100          (  " volumetric flash    ( 100


                   * 5( stock  solution  10,000  ppm  100                6/  * 

  % !  3) '(   5 !    H%

                                                                              	/

                                                                                                     	/

                   !    5( 1.0526  
    . ( (   *        &1     stock  solution     * 

  % !  '5



                                                                                                     /

                                                 	7


                                                                                              	/
                                                    1
                    '  
	#' /&1    5( (	   7
                                    %    
%	/ 5(  1.0739

                                                           M 1 V = M 2 V 2
                                                              1
                                                               =
                                               950 , 000×  . 1 0739 M × 100
                                                                    2
                                               950 , 000×  . 1 0739  = M
                                                     100            2
                                                        , 10  202  05 . = M 2

                                   * 5(  stock solution 10,202.05 ppm 100


                                       * 
&             !  Q     '    
   % &         /1 
    stock


                                                                      /

                                     6/
                   solution   
 *+ *1           
  '1  Intermediate solution Ι     Intermediate solution ΙΙ (	     7
                                2)  Intermediate solution Ι ΙΙ Ι
                                       
   Intermediate solution Ι 1,000 ppm 100

                                                        M 1 V 1  = M 2 V 2
                                                 , 10  202  05 . ×V 1  =  , 1 000 × 100
                                                                , 1 000 × 100
                                                          V 1  =
                                                                  , 10  202  05 .
                                                          V 1  =  8 . 9
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