Standard Operating Procedure (SOP) for Melting Point Machine

Standard Operating Procedure (SOP) for Menting Point Instrument:

  1. Ensure that the melting point machine is clean and free from any residual material from the previous use.
  2. Connect the machine to a suitable power source and ensure that it is properly grounded.
  3. Calibrate the machine according to the manufacturer's instructions before use.
  4. Prepare a sample of the substance to be tested. The sample should be dry, finely powdered, and uniform in size.
  5. Fill a small amount of the sample into a melting point capillary tube, making sure that the tube is not overfilled and that the sample is evenly distributed.
  6. Set the temperature range as per the manufacturer's instructions and turn on the heating source.
  7. Observe the sample as the temperature increases and record the temperature range in which the sample begins to melt and the temperature at which it completely melts.
  8. Once the sample has melted, turn off the heating source and allow the apparatus to cool down.
  9. Clean the melting point capillary tube thoroughly with a suitable cleaning agent and rinse it with distilled water.
  10. Repeat the process for any additional samples.
  11. After all tests are completed, turn off the machine and disconnect it from the power source.
  12. Clean the machine thoroughly with a suitable cleaning agent and rinse it with distilled water.
  13. Store the machine in a suitable location, free from any potential damage or contamination.

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