Quantitative Ashless Filter Paper, Medium Fast, 16 um, 180mm, 100/Pk SKU: CF15011

Quantitative Ashless Filter Paper - CF15011

Regulatory laboratories performing routine gravimetric assays need ashless paper with certificates of analysis documenting compliance with method specifications. Classical analytical methods requiring filter ignition with collected precipitate demand documented ash values verifiable through every production lot. Because of this, rigorous quality control at every production stage ensures physical properties align with published grade specifications before distribution.

Key Filter Paper Characteristics

• Standard construction provides the soft, conformable surface that seats properly in gravity filtration funnels without edge leakage.
• Controlled ash level at ≤0.011% ensures inorganic residue after ignition remains within the acceptable range for gravimetric procedures.
• Acid washing process removes metallic contaminants that could interfere with trace element determinations after ignition.
• Controlled fiber density balances rapid filtration with complete precipitate capture for efficient quantitative determinations.
• Certificate of analysis documents actual ash content per production lot, providing traceability for regulated analytical methods.

If your laboratory supports multiple research groups with varying filtration needs, this paper's broad applicability simplifies your procurement process. Here, ashless purity positions this paper as your standard medium for any method where the filter becomes part of the final measurement. Make the decision for consistency and reliability, ensuring that your laboratory maintains its reputation for high-quality, error-free output.

Capacity

350uL

Diameter

180mm

Flow Speed

Medium Fast

Folded/ Fluted/ Pleated

No

Hardened (Yes/ No)

No

Material

Cellulose

Nominal Ash Content (%)

≤0.011%

Nominal Basis Weight (g/ m²)

80±5g/m²

Pack Count

100

Particle Retention

16um

Pore Size (µm)

16

Qualitative/ Quantitative

Quantitative Ashless

Sterility

Nonsterile

Weight

0.56

Wet Strengthened (Yes/ No)

No

Wettability

Hydrophilic

• Sulfate Gravimetry - Retains barium sulfate precipitate for ignition-based sulfate quantification in water and industrial samples.
• Gravimetric Determination - Collects and ignites precipitates for accurate mass measurement with negligible filter blank contribution.
• Calcium Oxalate Analysis - Captures calcium precipitate for ignition to calcium oxide, supporting clinical and water hardness testing.
• Lead Quantification - Captures lead sulfate precipitate for gravimetric determination in environmental and industrial samples.
• Nickel Determination - Retains nickel dimethylglyoxime precipitate for ignition-based quantification in alloy and plating bath testing.
• Aluminum Analysis - Collects aluminum hydroxide precipitate for ignition and weighing in metallurgical and environmental methods.