Test Tube with Orange Liquid - Lab Equipment Illustration #3340866 (License: Personal Use)

This vector-style illustration depicts a classic laboratory test tube with a rounded bottom and open top, outlined in bold black. The tube contains an orange-colored liquid up to the second major graduation mark, with three horizontal lines indicating volume measurements. The transparent background makes it suitable for overlay on educational or scientific web pages.

Commonly used in educational materials, science blogs, chemistry tutorials, or medical infographics to represent experiments, chemical reactions, or sample analysis. Matches user intent for visual aids in STEM content creation.