Doctor Test for Kerosene: Principle and Limits

How the Doctor Test is used as a qualitative indication of certain sulfur compounds in petroleum products.

Purpose

This article provides a concise technical reference for laboratory and refinery professionals. Always follow the current applicable standard, laboratory SOP and safety requirements.

Key points

• Verify sample identity and condition.
• Use calibrated equipment and controlled test conditions.
• Record observations, units and deviations clearly.
• Report results according to the applicable method.