Johnson Wet Strengthened Filter Papers Grade 322 – 100 Circles 11cm [80977]

The Johnson Wet Strengthened Filter Papers Grade 322 are high-quality qualitative filter papers designed to maintain strength and performance even when fully saturated. These papers are ideal for vacuum filtration and for use with strongly acidic or alkaline solutions, making them a reliable choice for both laboratory and educational environments.

With a medium retention and medium flow rate, these filter papers provide efficient and balanced filtration, ensuring accurate separation of solids from liquids. Supplied as 100 pre-cut 11cm diameter circles, they are ready for immediate use and offer consistent, dependable results. Equivalent to Whatman No. 93, they meet recognised laboratory standards.

Key Features

• Wet strengthened for durability when wet
• Suitable for vacuum filtration applications
• Compatible with acidic and alkaline solutions
• Medium retention rate for effective filtration
• Medium flow rate for efficient processing
• 11cm diameter circles – convenient and ready to use
• Pack of 100 filter papers
• Qualitative grade for general laboratory use
• Equivalent to Whatman No. 93

Educational Benefits

• Supports understanding of filtration and separation techniques
• Demonstrates key chemistry practical processes
• Develops laboratory handling and experimental skills
• Encourages accurate and reliable results
• Suitable for a wide range of science experiments

Ideal for School Science Lessons & Laboratory Use

Perfect for KS3, GCSE, and A-Level chemistry, these filter papers are an essential consumable for practical science work. They are ideal for:

• Conducting filtration and separation experiments
• Using with Büchner funnels and vacuum filtration systems
• Handling acidic and alkaline solutions
• Supporting hands-on chemistry investigations
• General use in school laboratories and prep rooms

Reliable, strong, and easy to use, Johnson Wet Strengthened Filter Papers deliver consistent performance for a wide range of laboratory and educational filtration tasks.