Description
Specifications Table
Product Name – Whatman Grade 1 Cellulose Filter Paper Sheet
Quantity/Pack Size – 60x60cm (Pack of 100), 58x68cm (Pack of 100), 58x68cm (Pack of 500)
Form – Sheet
Grade – 1
Application – General filtration, qualitative analysis, particle retention
Product Overview
Whatman Grade 1 Cellulose Filter Paper Sheet is a high-purity, medium-flow filter paper designed for general laboratory filtration applications. Made from 100% pure cellulose, it offers excellent particle retention and clarity, making it ideal for qualitative analysis and routine filtration tasks. The uniform thickness and consistent pore size distribution ensure reliable performance across various laboratory procedures. This filter paper is widely recognized for its balance between flow rate and retention efficiency, providing optimal results for standard filtration needs. Its chemical resistance and compatibility with a wide range of solvents make it a versatile choice for diverse laboratory environments. The sheets are easy to handle and cut to size, ensuring convenience during use. Whether used in gravity or vacuum filtration setups, Whatman Grade 1 delivers consistent and reproducible results, making it a trusted choice for researchers and lab professionals.
FAQs
1. What is the particle retention capacity of Whatman Grade 1 filter paper?
Whatman Grade 1 filter paper has a particle retention capacity of approximately 11 micrometers, making it suitable for general filtration tasks where moderate retention is required.
2. Can this filter paper be used with organic solvents?
Yes, Whatman Grade 1 filter paper is compatible with a wide range of organic solvents, including alcohols, ketones, and hydrocarbons, making it versatile for various laboratory applications.
3. How should I store Whatman Grade 1 filter paper to maintain its quality?
Store the filter paper in a cool, dry place, away from direct sunlight and moisture. Keep it in its original packaging or an airtight container to prevent contamination and maintain its filtration efficiency.
4. Is this filter paper suitable for quantitative analysis?
No, Whatman Grade 1 is primarily designed for qualitative analysis due to its medium flow rate and particle retention properties. For quantitative analysis, consider using ashless filter papers like Whatman Grade 40 or 42.
5. What is the difference between Whatman Grade 1 and Grade 4 filter papers?
Whatman Grade 1 has a medium flow rate and retention of 11 micrometers, while Grade 4 has a faster flow rate with a retention of 20-25 micrometers. Grade 1 is better for finer particle retention, whereas Grade 4 is used for coarser filtration.
