ULTECHNOVO Glass Sheet 2-Pack 1.96 X 1.96 X 0.19 in Glass Sheet for Chemistry Experiment Flame Test Observation Lens Lab Science Filter Use

ULTECHNOVO Glass Sheet 2-Pack 1.96 X 1.96 X 0.19 in Glass Sheet for Chemistry Experiment Flame Test Observation Lens Lab Science Filter Use

• Flame Test Filtering: Cobalt glass sheet helps filter strong yellow sodium light during chemistry flame tests, making it easier to observe violet color of potassium compounds for lab identification and classroom experiment supply use
• Cobalt Glass Composition: This glass is made by adding cobalt metaaluminate during production, giving the sheet its blue filtering effect for observation lens use in chemistry experiments and controlled flame viewing
• Compact Square size: Each glass square measures 1.96 x 1.96 x 0.19 in, a small format that is easy to hold, store, and use on a lab bench for science experiments, demos, and handheld viewing
• Two-piece Set: Package includes 2 x glass sheets, providing a practical pair for repeated observation, shared classroom use, or keeping one as a backup in your experiment supply and laboratory glassware setup
• Wide Application: Suitable for laboratories, industrial production, plants, and high-temperature furnace mouths, this cobalt glass chemistry sheet supports flame reaction checks and other observation tasks in science and experiment tool settings