Qualitative Filter Paper - 1213-125
Laboratories processing dozens of samples daily need a qualitative filter paper that performs reliably from the first sheet to the last. Manufactured without chemical hardening or acid washing, qualitative cellulose delivers the unmodified surface properties routine filtration requires. As designed, controlled manufacturing delivers the documented retention, flow rate, and physical consistency that analytical and preparative filtration methods require.
Key Filter Paper Characteristics
- Pure cellulose fiber construction delivers consistent flow rates and predictable retention for general sample clarification and preparation.
- Non-hardened paper balances effective particle retention with economical unit cost for high-volume routine laboratory use.
- Uniform fiber distribution across the sheet ensures consistent particle retention from edge to center for reproducible filtration results.
- Available in precut circles and sheet stock to match funnel sizes and custom cutting requirements across laboratory applications.
- Wet-strengthened construction maintains paper integrity during prolonged vacuum and pressure filtration of aqueous samples.
When your application makes the filter paper part of the measurement, the ash and weight specifications above define its analytical contribution. Addressing this directly, standard cellulose chemistry eliminates the need for specialized disposal procedures your general laboratory filtration generates. Elevate the quality of your analytical data today by standardizing on a filtration product built to meet the exact specifications of your applications.
- Diameter
- 125mm
- Flow Speed
- Fast
- Folded/ Fluted/ Pleated
- Yes
- Grade
- 113V
- Hardened (Yes/ No)
- No
- Material
- Cellulose Fiber
- Nominal Basis Weight (g/ m²)
- 125g/m²
- Pack Count
- 100
- Particle Retention
- 30um
- Pore Size (µm)
- 30
- Qualitative/ Quantitative
- Qualitative
- Sterility
- Nonsterile
- Wet Strengthened (Yes/ No)
- Yes
- Wettability
- Hydrophilic
- General Clarification - Removes suspended solids from aqueous solutions by gravity filtration for routine sample preparation.
- Gelatin Clarification - Removes debris from gelatin solutions used in pharmaceutical capsule manufacturing and quality testing.
- Precipitation Recovery - Collects insoluble reaction products on the paper surface for subsequent washing and downstream analysis.
- Teaching Laboratory - Provides consistent and economical filtration media for student exercises in analytical and general chemistry.
- Enzyme Clarification - Removes particulates from enzyme solutions before activity assays in biochemistry and industrial testing.
- Polymer Filtration - Clears particulates from polymer solutions before molecular weight determination by viscometry or GPC.