Best Qualitative Filter Paper of 2025

The StonyLab Filter Paper is designed with a diameter of 75mm, making it ideal for various filtration tasks. Its coarse cellulose material effectively removes particles larger than 20 microns, ensuring a cleaner result for your experiments. With a filtration speed of 35 to 70 seconds, it provides efficient performance, saving you valuable time. Additionally, the low ash content of ≤0.15% means you can trust that impurities won’t interfere with your results. This product is also compatible with the StonyLab Porcelain Buchner Funnel, enhancing its usability.

The PATIKIL Filter Paper is ideal for qualitative analysis in laboratory settings. Its medium flow speed allows you to separate coarse and gelatinous precipitates effectively, ensuring clear results in your experiments. Made from high-quality white paper, it features strong absorption performance, making it convenient for various liquid filtration tasks. Additionally, the generous size of 60 x 60 cm lets you cut the paper to fit your specific needs, enhancing flexibility during use.

The Whatman 1001-125 Filter Paper is a versatile tool for various laboratory applications. With a 125 mm diameter and Grade 1 quality, it effectively clarifies liquids, making it ideal for your experiments. You can use it in the food industry, agriculture, or even for monitoring air pollution. Its reliable performance also supports educational settings, assisting in teaching qualitative analytical separations. This filter paper is designed to meet your needs across multiple fields, providing convenience and efficiency.

The StonyLab Filter Paper is designed to effectively remove particles larger than 25 microns, ensuring your filtration processes are efficient and reliable. With a diameter of 94 mm, it fits perfectly with StonyLab's Buchner Filtering Funnel, making it easy to use. Its fast filtration speed of 35 seconds or less allows you to save valuable time in your experiments. Additionally, the low ash content of ≤0.15% ensures that your samples remain uncontaminated, providing you with accurate results.

The Favengo Filter Paper includes 100 sheets of medium-speed qualitative filter paper, ideal for various laboratory applications. With a pore size of 15-20µm, these sheets ensure effective filtration of organic and aqueous solutions, delivering accurate results. The high-quality material provides excellent particle retention, allowing you to separate impurities easily. Additionally, the paper's stability means it can withstand high temperatures and various chemicals, making it a dependable choice for your experiments.

The Eisco Qualitative Filter Paper is designed with a 15 cm diameter, making it ideal for various scientific experiments. With a particle retention capacity of 10 micrometres, it effectively captures fine particles, ensuring accurate results in your analyses. The pack contains 100 sheets, providing excellent value for your laboratory needs. Additionally, the medium filtration speed of 85gsm allows for efficient filtering, saving you time while maintaining quality in your work.

The PATIKIL Filter Paper is designed for general qualitative analysis, making it ideal for separating coarse and gelatinous precipitates in laboratory or chemistry applications. With a diameter of 18cm, it offers a fast flow speed, ensuring efficient filtration for your experiments. The paper's strong absorption performance makes it effective for various liquid applications. However, be aware that it has a higher ash content than quantitative filter paper, which might be relevant for certain uses. Always check the size to ensure it meets your requirements.

The Labasics Filter Paper Circles are designed with a 70 mm diameter, making them suitable for various filtration tasks. With their coarse cellulose material, these papers effectively remove particles ranging from 15 to 20 microns, ensuring cleaner results. You will appreciate the filtration speed of 35 to 70 seconds, which allows for efficient processing. Additionally, the low ash content of 0.15% or less means that you can trust the purity of your filtered samples.

The StonyLab Filter Paper is designed with a 74 mm diameter, making it perfect for various filtration tasks. Its cellulose composition effectively removes particles larger than 10 microns, ensuring cleaner results for your experiments. With a filtration speed of 70 to 140 seconds, you can complete your tasks efficiently without long waiting times. Additionally, its low ash content of less than 0.15% guarantees minimal contamination, enhancing the reliability of your results. This product is also compatible with StonyLab’s Buchner Filtering Funnel, providing convenience for your lab work.

The HeyWin Filter Paper is made from high-quality coarse cellulose, ensuring excellent performance in various laboratory experiments. With a diameter of 90mm, it is designed to fit perfectly with a 100mm HeyWin Porcelain Buchner Funnel. The filter paper features a pore size of 15-20µm, effectively removing particles larger than 20µm, which enhances the clarity of your results. Additionally, its medium flow rate allows for efficient filtration, making it suitable for both biological and chemical applications.