Titra
Lab
®
TitraLab 870 Reference Manual
Page 122
Equation
formula
One or two user defined equations can be entered to calculate results
using user required units.
The formula specifies how the calculations should be performed. A
formula can use up to 64 characters and can consist of operators and
operands, that are derived from the completed titration data.
Enter in:
Edit method > Result
Table 5: Equation formula: operands
Operands
1.23, -24, -2.34E-5
Constants
pi
3,141592654
e
2,718281828 (base of the Natural loga-
rithm)
Ri where i = 1 to 8
Result no. i calculated for the method
Ei where i = 1 to 4
(for EP) and 1 to 8
(for IP)
Potential difference or pH measured at
EP/IP no. i
Vi where i = 1 to 4
(for EP) and 1 to 8
(for IP)
Cumulate volume delivered at EP/IP no. i
V
Total volume delivered
SA
Sample amount
DA
Final dilution amount
AL
Aliquot
T
Last temperature measured (in °C)
CT
Titrant concentration
CE
Excess reagent concentration
VE
Excess reagent volume
Bi with i = 1 to 4 (for
E.P) i = 1 (for I.P)
Blank volume for EP/IP no. i
Gi with i = 1 to 10
Global variables
F
Results factor
Summary of Contents for TitraLab 870
Page 1: ...TitraLab 870 pH EP IP EC ISE Titration Workstation Reference Manual D21T060...
Page 2: ...D21T060 Printed by Radiometer Analytical SAS 2008 02F...
Page 22: ...TitraLab TitraLab 870 Reference Manual Page 22...
Page 23: ...Practical examples s...
Page 24: ......
Page 32: ...TitraLab TitraLab 870 Reference Manual Page 32...
Page 40: ...TitraLab TitraLab 870 Reference Manual Page 40...
Page 41: ...Glossary...
Page 42: ......
Page 255: ...Appendixes...
Page 256: ......
Page 258: ...TitraLab TitraLab 870 Reference Manual Page 258...
Page 262: ...TitraLab TitraLab 870 Reference Manual Page 262...
Page 280: ...TitraLab TitraLab 870 Reference Manual Page 280...
Page 286: ...TitraLab TitraLab 870 Reference Manual Page 286...