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A spot plate, also called a reaction plate, color test plate, or spotting tile (British English), is a laboratory tool made either from ceramics or plastics. Each plate consists of many cavity-like depressions in which only small amount of reactants can be added at a time. The number of wells on each plate vary from 12 to 24 wells allowing multiple reactions to be performed at a time. Plates can vary in their sizes, color and diameter and cavity depth. They are commonly white in color, allowing easy observation of reaction changes and color changes. Porcelain spot plates are considered to be reusable, stronger, highly resistant to the actions of concentrated chemicals and also autoclavable. Clear spot plates are use for observing color reactions with transmitted light.

• Spot plate
• PVC Spot plate: top view (large wells)
• PVC Spot plate: top view (small wells)
• PVC Spot plate: side view
• PVC Spot plate: full view

References

1. ^ "Color Test Plates". Fisher Scientific. Retrieved 2024-10-23.
2. "Spot Plates for High school Science". www.hometrainingtools.com. Retrieved 2016-02-04.
3. "Lab Equipment". www.oocities.org. Retrieved 2016-02-04.
4. "Porcelain Spot Plate with 12 cavities". www.hometrainingtools.com. Retrieved 2016-02-04.

• Laboratory equipment