Title: Standard operating procedure for determination of % L.O.D by using desiccator.
1.0 OBJECTIVE:
To lay down a procedure for determination
of percentage Loss of drying by using desiccator.
2.0 SCOPE:
This SOP shall be applicable to Q.C
Dept.
3.0 RESPONSIBILITY:
3.1
Doing: Q.C Analyst.
3.2
Checking: Q.C-Manager.
4.0 ACCOUNTABILITY:
4.1
Head of the Q.C Department.
5.0 MATERIAL AND EQUIPMENT:
5.1
Desiccator.
5.2
Weighing balance.
5.3
Spatula.
6.0 PROCEDURE:
6.1
Weigh the test sample.
6.2
Set the desiccator apparatus with desiccant.
6.3
Operate the desiccator according to the SOP.
6.4
Place the sample into the china dish or petri dish.
6.5
Set the room temperature and at atmospheric pressure for at
least 45 minutes. If there is need of to apply vacuum operate it according to
SOP at specified temperature and pressure.
6.6
And wait till the sample loses its moisture.
6.7
After 45 minutes weigh the sample again by using analytical
weighing balance i.e. the final weight.
6.8
Note down readings on given Annexure-1.
7.0 REVISION LOG:
|
Revision No. |
Effective Date |
Reason |
|
00 |
|
New
SOP |
8.0 REFERENCES:
8.1 Not Applicable.
9.0 ANNEXURES:
Annexure
1: Observations of percentage Loss of
drying by using desiccator.
Annexure 1:
Observations of percentage loss of
drying by using desiccator
|
Percentage
loss of drying by using desiccator Apparatus:
____________________ Temperature:
__________________ Pressure:
_____________________ Weight
of Sample = _____________ Time
period = _____________ Pressure=
_________________
Average % Loss of Moisture:
_____________
Remarks:
____________________________________________________________ |
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