Cobalt Chloride Test Paper - 100 Strips

Cobalt chloride test paper is used for detecting moisture and demonstrating humidity-related changes in chemistry and biology practical work.

Dry cobalt chloride paper is blue and changes towards pink in the presence of water. It is commonly used in plant transpiration experiments to demonstrate water loss through leaf stomata.

Key Features

• Changes from blue towards pink when exposed to moisture
• Useful for humidity and water detection demonstrations
• Suitable for plant transpiration and stomata experiments
• Supplied as 100 test strips

Preparation & Storage

Cobalt chloride paper may arrive pink because of moisture absorbed from the air. Before use, dry the paper in a warm oven at approximately 50°C or store it in a desiccator until blue. Keep desiccated between uses.

Specifications

• Quantity: 100 strips
• Response: Changes colour in the presence of moisture
• Minimum shelf life: 3 years when appropriately stored