Pine Research MSR 636A, Руководство пользователя

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141
DRU10002 (REV 004 / JAN 2017)
the ring inner diameter ( d
2
), and the ring outer diameter ( d
3
). This somewhat
tedious computation is made easier by normalizing the ring diameters with
respect to the disk diameter as follows:
1 3
/ d d
OD


and
1 2
/ d d
ID


Three additional quantities are defined in terms of the normalized diameters as
follows:
1
3
 
ID A
 
3 3
ID OD B
  
 
B A C
  
/

If a complex function, G(x) , is defined as follows,
 






























 
3
1 2
arctan
2
3
1
1
ln
4
3
4
1
) (
3 / 1
3
3 / 1
x
x
x
x G
 
then the theoretical collection efficiency (N
theoretical
) for a rotating ring-disk
electrode is given by the following equation:
) ( ) ( ) ( 1
3 2 3 / 2 3 / 2 2
OD C OD A B C B OD l theoretica
G G G N
       
     
Figure 10.10: Rotating Ring-Disk Voltammograms at Various Rotation Rates