Standard Operating Procedure for Analytical Method Development for Aerosols

1) Purpose

The purpose of this SOP is to establish procedures for the development and validation of analytical methods used for testing aerosol formulations in the pharmaceutical industry. Analytical method development ensures accurate and reliable analysis of critical quality attributes in aerosol products.

2) Scope

This SOP applies to the analytical method development activities conducted at [Company Name] for aerosol products, including active pharmaceutical ingredients (APIs), excipients, and finished formulations.

3) Responsibilities

Analytical Chemists: Responsible for conducting method development and validation studies.
Quality Assurance (QA) Manager: Oversees compliance with analytical method development procedures and documentation.
Formulation Scientists: Provide formulation samples and collaborate on method suitability.

4) Procedure

4.1 Method Development:
4.1.1 Define method objectives and performance criteria (e.g., specificity, accuracy, precision).
4.1.2 Select appropriate analytical techniques (e.g., HPLC, GC, spectroscopy) based on sample properties and analyte characteristics.

4.2 Optimization and Validation:
4.2.1 Optimize method parameters such as mobile phase composition, column temperature, and detection wavelength.
4.2.2 Validate method performance through validation parameters including linearity, range, robustness, and stability.

4.3 Method Suitability:
4.3.1 Assess method suitability for aerosol formulations, considering matrix effects and interference from excipients.
4.3.2 Conduct forced degradation studies to evaluate method sensitivity and