Grade A Glass Fiber Filter Paper 1.6um, 142mm, Nonsterile, 25/Pk SKU: EF19003

Glass Fiber (GF) Filter Paper - EF19003

Processing samples with high suspended solids concentrations requires a filter medium engineered for particle loading capacity, not just surface retention. Thick fiber matrix provides high dirt-holding capacity that extends filter service life when processing turbid or heavily particulate samples. In practice, lot-level verification of retention, thickness, and ash content ensures predictable performance when scaling from method development to routine analysis.

Key Filter Paper Characteristics

• Borosilicate glass microfiber depth structure provides high particle loading capacity with flow rates significantly faster than cellulose papers of equivalent retention.
• High void volume within the randomly oriented fiber matrix sustains flow rates through heavy particulate loads that would blind surface-capture filters.
• Hydrophilic glass fiber wets spontaneously on contact with aqueous solutions, eliminating pre-wetting steps required by hydrophobic filter media.
• Manufactured to a basis weight of 53g/m², each filter delivers the documented mass consistency that gravimetric methods require.
• Nominal retention ratings defined by fiber diameter and packing density provide consistent particle capture across production lots.

Whether your method requires simple clarification or precise gravimetric determination, the documented specifications above define what this paper delivers. Thermal stability exceeding 500 degrees C supports the ignition step your gravimetric method requires without introducing filter decomposition artifacts. 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.

Capacity

40mL

Diameter

142mm

Folded/ Fluted/ Pleated

No

Grade

A

Material

Glass Fiber (GF)

Nominal Basis Weight (g/ m²)

53g/m²

Pack Count

25

Particle Retention

1.6um

Pore Size (µm)

1.6

Sterility

Nonsterile

Weight

0.58

Wettability

Hydrophobic

• Air Particulate Sampling - Captures airborne particulates by vacuum filtration for gravimetric mass determination and subsequent analysis.
• Turbid Sample Processing - High loading capacity filters heavily particulate environmental and industrial samples without premature clogging.
• Suspended Solids Analysis - Captures particulates from water and wastewater samples for gravimetric TSS determination by standard methods.
• Stack Emissions Testing - High temperature tolerance supports gravimetric particulate determination from industrial emission source sampling.
• Membrane Prefiltration - Removes coarse debris from turbid samples before downstream membrane analysis to prevent premature blinding.
• Chlorophyll Extraction - Concentrates algal cells from water column samples for chlorophyll measurement in aquatic quality assessment.