OPERATION OF MUFFLE FURNACE

• OBJECTIVE:

• To lay down a procedure for Operation of Muffle furnace in Quality Control laboratory.

• SCOPE:

This SOP is applicable to procedure for Operation of Muffle furnace in Quality Control laboratory at {Company Name} {Location}.

• RESPONSIBILITY:
• Officer/Executive/Designee Quality Control – Shall be responsible for operation as per SOP.
• Head/Designee Quality Control – Shall be responsible for ensuring compliance as per SOP.
• ACCOUNTABILITY:

             QA Head shall be Accountable for implementation of SOP.

• PROCEDURE:
  • Muffle furnace: A muffle furnace is a type of furnace that heats materials to high temperatures while isolating them from the fuel and combustion byproducts. This isolation is achieved through a chamber, often made of refractory materials like ceramic or brick, that surrounds the heating element and the material being heated.
  • Check that the working area is clean.
  • Open the door of Muffle furnace and ensure that it is clean from inside.
  • Close the door of the Muffle furnace.
  • Connect the power cord to mains and switch on the main provided on left side of the instrument.
  • Digital display will show the temperature inside the muffle furnace.
  • Set the required temperature by pressing the ‘Push to set’ key and by up and down arrows.
  • Place the sample weighed in platinum crucible or silica crucible as required with the help of tongs and close the door.
  • After completion of the test switch off the mains and remove the sample.
  • Enter the details of usage in logbook.
• REFERENCES:

Not Applicable

• ANNEXURES: 

         ENCLOSURES: SOP Training Record.

•  DISTRIBUTION:

• Controlled Copy No. 01  :          Head Quality Assurance
• Controlled Copy No. 02  :         Head Quality Control
• Master Copy                    :          Quality Assurance Department
• ABBREVIATIONS:

• REVISION HISTORY:             

CHANGE HISTORY LOG

Annexure-I
Muffle Furnace logbook