Test Tube with Orange Liquid - Science Lab Icon #286166 (License: Personal Use)

This vector-style image depicts a classic laboratory test tube containing an orange-colored liquid up to the second major graduation mark. The bold black outline and clean design make it suitable for infographics, educational materials, or digital interfaces requiring symbolic representation of chemistry or biology experiments.

Commonly used on educational websites, science blogs, lab equipment pages, or as an icon in apps related to chemistry, biology, or STEM learning; matches user intent for visual explanation of experiments, reagents, or lab procedures.