Calibration of Karl Fischer Titrator (KF)
1) Burette Assembly (Dispenser calibration) :-
| Sr.No. | Test
(Vol. ml) |
Specification
(± 1 %) |
Observation | |||
| Wt. of empty Beaker (W1) g | Wt. of empty Beaker + sample (W2) g | Wt. of sample W3=(W2-W1) g | Sample volume =
[W3 / 0.99707] ml |
|||
| 1 | 0.5 ml | 0.49 ml- 0.51ml | ||||
| 2 | 1.0 ml | 0.99 ml-1.01 ml | ||||
| 3 | 5.0 ml | 4.95 ml-5.05ml | ||||
| 4 | 10.0 ml | 9.9 ml- 10.1ml | ||||
| 5 | 25.0 ml | 24.75 ml-25.25 ml | ||||
Density of water is 0.99707 g/ml at 25°C
-
Water content:
-
Karl Fischer Factor
|
Sr.No. |
Test | Specification
(% RSD) |
Observation | % RSD | Remarks | ||
| Qty of Water
W (mg) |
Burette Reading
BR (ml) |
KF Factor
F =W/ BR |
|||||
| 1 | KF Factor | NMT 2.0 % | |||||
Mean Factor = F =________________
-
Water content of water:
| Sr.No. | Test | Specification | Observation | Remarks | ||
| Qty of Water
W (mg) |
Burette Reading
Y ml |
% Water Content
(% w/w) |
||||
| 1 | Water
content |
98 % w/w – 102 % w/w | ||||
2. Water content of Sodium Tartrate :
| Sr. No. | Test | Specification | Observation | Remarks | ||
| Qty of Sodium Tartrate
W (mg) |
Burette Reading
Y ml |
% Water Content
(% w/w) |
||||
| 1 | Water
content |
15.35% w/w- 15.97% w/w | ||||
Remark: The result Complies/Does not complies as per acceptance criteria.
Performed By: ____________ Checked By: ______________
Date: _____________ Date: ______________
“End of Document”