Quantitative Ashless Filter Paper - 1454-090
Regulatory laboratories performing routine gravimetric assays need ashless paper with certificates of analysis documenting compliance with method specifications. Each production lot is tested for ash content and documented with a certificate to support analytical traceability requirements. As a result, each sheet reflects production standards where fiber density, thickness, and retention characteristics are verified before lot release.
Key Filter Paper Characteristics
- Designed for gravimetric determinations where the filter paper is ashed or ignited as part of the analytical measurement step.
- Surface hardening process delivers a paper that maintains its structural integrity through extended chemical exposure.
- Certificate of analysis documents actual ash content per production lot, providing traceability for regulated analytical methods.
- Ashless filter paper provides the documented low residue needed for ignition-based analytical procedures where filter mass affects results.
- Pure cellulose fiber matrix combines low inorganic residue with the mechanical integrity needed for careful precipitate transfer.
When your application makes the filter paper part of the measurement, the ash and weight specifications above define its analytical contribution. Ashless certification supports the regulatory compliance documentation your environmental and pharmaceutical methods demand. Take control of your sample preparation variables and ensure that your data reflects the true nature of your work, rather than the quality of your consumables.
- Diameter
- 90mm
- Flow Speed
- Fast
- Folded/ Fluted/ Pleated
- No
- Grade
- 54
- Hardened (Yes/ No)
- Yes
- Material
- Cellulose Fiber
- Nominal Ash Content (%)
- <0.015%
- Nominal Basis Weight (g/ m²)
- 90g/m²
- Pack Count
- 100
- Particle Retention
- 22um
- Pore Size (µm)
- 22
- Qualitative/ Quantitative
- Quantitative
- Sterility
- Nonsterile
- Wet Strengthened (Yes/ No)
- Yes
- Wettability
- Hydrophilic
- Gravimetric Determination - Collects and ignites precipitates for accurate mass measurement with negligible filter blank contribution.
- Sulfate Gravimetry - Retains barium sulfate precipitate for ignition-based sulfate quantification in water and industrial samples.
- Zinc Analysis - Collects zinc ammonium phosphate precipitate for ignition-based quantification in metallurgical and water testing.
- Lead Quantification - Captures lead sulfate precipitate for gravimetric determination in environmental and industrial samples.
- Total Ash Testing - Provides the ultra-low blank needed for accurate ash determination in food, pharmaceutical, and material samples.
- Nickel Determination - Retains nickel dimethylglyoxime precipitate for ignition-based quantification in alloy and plating bath testing.