SOP for
Operation of Melting Point Apparatus
1.0
Purpose
The purpose of this SOP is to lay down
operational procedure of Melting Point apparaus.
2.0
Scope
This procedure is applicable to Quality Control
Department.
3.0
Responsibility
Officer QC
Asst. Manager QC
Manager QC
4.0
Accountability
Manager QA
5.0
Terms and Definitions
N/A
6.0
References
Instrument Manual
7.0
Precautions
7.1
Wear mask and
gloves while operating the instrument.
7.2
Operate
instrument carefully
7.3
Keenly observe
temperature rise and fall.
8.0
Procedure
8.1
Ensure that the
instrument and area is properly clean and free from dust.
8.2
Switch “On” the
instrument and illumination.
8.3
Check the
capillary tube and ensure that it is properly closed at the lower end.
8.4
Fill
sufficient quantity of sample in capillary tube and place it in jacket.
8.5
Insert the
capillary tube properly through one of the three openings.
8.6
Press set button,
apparatus will blink plateau light and already set temperature will appear on
screen.
8.7
Adjust the required
temperature using Up and Down arrow key.
8.8
As you let the “Set”
it will show current temperature.
8.8.1
Now press the “start”
button temperature will start rising up and red bulb will be on.
8.9
When the
temperature reaches the set temperature press “Start” button again the
temperature will start rising slowly and observe melting point of sample
through eye viewer.
8.10
Note down the
point at which the sample starts melting i.e melting point and observe till all
the sample melt i.e melting range.
8.11
Press “Stop”
button to cool down back the apparatus.
8.12
Record the
results in melting point apparatus log book.
8.13
Switch of and
clean the instrument.
9.0
Abbreviations
9.1
SOP Standard Operating Procedure
9.2
QC Quality Control
9.3
QA Quality Assurance
9.4
Asst Assistant
10.0
Annexure
N.A
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