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TitraLab
®
Reaction X Std
+ Y Titr
Reagent
addition ID
Page 188
Enter stoichiometric coefficients for the calibration if molar unit (M,
mM) has been selected
To determine the X and Y stoichiometric coefficients:
The reaction is: X Std + Y Titr ->
where:
• 1 mole of titrant gives X eq of titrant
• 1 mole of standard gives Y eq of standard
To balance the reaction, Y mole(s) of titrant are required to titrate X
mole(s) of standard.
Example:
Titrant
sodium hydroxide (NaOH). 1 mole of NaOH gives 1 eq of NaOH.
Standard
citric acid (C
H
0 (COOH)
3
5
acid.
Chemical reaction
3 NaOH +1 C
H
O(COOH)
3
5
Enter
Reaction = 1 Std + 3 Titr ->
Enter in:
Edit reagent > Results
Range available:
(1 to 20) Std + (1 to 20) Titr ->
Name of the reagent to be added by an Addition or a titration method.
The reagent can be selected from the User list or created from the
Catalogue list.
Enter in:
Edit method (Addition method),
page
48.
Edit method > Parameters (If Addition = Yes)
Edit reagent > Calibration parameters (If Addition = Yes)
TitraLab 870 Reference Manual
). 1 mole of citric acid gives 3 eq of citric
3
-> C
H
0 (COONa)
3
3
5
see "Addition method - definition",
+ 3H
O
3
2
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