Pine Research MSR 636A, User Manual, Page: 5 / 176

v
DRU10002 (REV 004 / JAN 2017)
Table of Figures
Figure 2.1: Major Components of the MSR Rotator System .............................................. 19
Figure 2.2: Two Styles of Enclosure Window ......................................................................... 21
Figure 2.3: Three Styles of Anchor Pins .................................................................................. 21
Figure 2.4: Control Unit Front and Back Panels ................................................................... 23
Figure 2.5: Motor Unit Components ...................................................................................... 25
Figure 2.6: Typical Rotating Disk Electrode (RDE) Tip with Shaft ....................................... 26
Figure 2.7: Typical Rotating Ring-Disk Electrode (RRDE) Tip with Shaft ........................... 27
Figure 4.1: Contact Areas at Top of Rotating Electrode Shafts ....................................... 33
Figure 4.2: The Brush Chamber (side view) .......................................................................... 34
Figure 4.3: Proper (left) and Improper (right) Shaft Insertion Positions ............................ 38
Figure 4.4: Installing a Tip on to a Shaft ................................................................................ 39
Figure 4.5: Properly Supported and Clamped Electrochemical Cells ............................ 43
Figure 4.6: Enclosure Properly Mounted on All Four Pins ................................................... 46
Figure 4.7: Connection of Counter and Reference Electrodes ....................................... 47
Figure 4.8: Brush Connections for a Rotating Disk Electrode (RDE) or a Rotating
Cylinder Electrode (RCE) ..................................................................................... 48
Figure 4.9: Brush Connections for a Rotating Ring-Disk Electrode (RRDE) ...................... 50
Figure 4.10: Stackable Banana Connector with Optional Stud Connector .................... 51
Figure 4.11: Routing Cables out of the Enclosure ................................................................. 51
Figure 4.12: Connect Metal Objects to Earth Ground on Control Box Front Panel ........ 54
Figure 4.13: Connect Potentiostat to Earth Ground on Control Box Front Panel ............ 55
Figure 4.14: Glove Box Configuration ..................................................................................... 56
Figure 4.15: Connecting the Rotation Rate Control Cable ................................................ 58
Figure 6.1: Rotator Calibration Toolkit (including simple handheld tachometer) ........ 95
Figure 6.2: Professional Optical Tachometer with Traceable Calibration ...................... 95
Figure 6.3: Use of Optical Tachometer with Reflective Target ......................................... 95
Figure 7.1: Standard C18 Connection on Power Entry Module ..................................... 115
Figure 7.2: Location of High Voltage Power Entry and Internal Power Supplies ......... 118
Figure 7.3: Replacement Internal Power Supplies ............................................................ 119
Figure 10.1: Response to a Potential Sweep (Cathodic) from a Solution Initially
Containing only the Oxidized Form (
O
) with no Reduced Form (
R
) .......... 130
Figure 10.2: Response to a Potential Sweep (Anodic) from a Solution Initially
Containing only the Reduced Form (
R
) with no Oxidized Form (
O
) .......... 131
Figure 10.3: A Voltammogram is a Plot of Current versus Potential ................................ 132
Figure 10.4: Two Popular Voltammogram Plotting Conventions ..................................... 132
Figure 10.5: Sloping Backgrounds in Voltammograms ...................................................... 134
Figure 10.6: Voltammogram for a Solution Containing Both
O
and
R
............................ 134
Figure 10.7: Levich Study – Voltammograms at Various Rotation Rates ........................ 137
Figure 10.8: Levich Study – Limiting Current versus Rotation Rate ................................... 137
Figure 10.9: Koutecky Levich Study – Voltammograms with Sluggish Kinetics .............. 138
Figure 10.10: Rotating Ring-Disk Voltammograms at Various Rotation Rates ................. 141