Standard Operating Procedure for Powder Preparation

1) Purpose

The purpose of this SOP is to provide a standardized procedure for the preparation of powders in the pharmaceutical manufacturing process to ensure consistency, quality, and compliance with regulatory requirements.

2) Scope

This SOP applies to all personnel involved in the preparation of powders within the pharmaceutical manufacturing facility, including operators, supervisors, and quality control personnel.

3) Responsibilities

Operators: Responsible for following the SOP and ensuring all steps are accurately performed.
Supervisors: Responsible for overseeing the process and ensuring compliance with the SOP.
Quality Control: Responsible for verifying that the powders meet the required specifications.

4) Procedure

1. Preparation of Equipment:
   1. Ensure all equipment is clean and calibrated.
   2. Verify the availability of raw materials.
2. Weighing of Raw Materials:
   1. Weigh the required quantities of each raw material using a calibrated balance.
   2. Record the weights in the batch manufacturing record (BMR).
3. Mixing:
   1. Transfer the weighed raw materials into the mixing vessel.
   2. Mix the materials for the specified time to ensure homogeneity.
   3. Sample the mixture and perform homogeneity testing.
4. Sieving:
   1. Pass the mixed powder through the appropriate sieve to achieve the desired particle size distribution.
   2. Collect and label the sieved powder.
5. Packaging:
   1. Transfer the sieved powder into appropriate packaging containers.
   2. Label the containers with relevant information such as batch number and manufacturing date.

5) Abbreviations, if