Whatman 1441-125, Quantitative Filter Papers 125mm Ø, ASHLESS GR.41 NEW, 100/BOX

Description

Whatman 1440-125, Quantitative Filter Papers 125mm Ø, ASHLESS GR.41
(Ash 0.007%) NEW, 100/BOX.
Condition: New in Box
Ships via: USPS PARCEL
SPEC DESCRIPTION
MFR: WHATMAN FILTER
MPN: 1441-125
REF: 100469
MATERIAL: QUANTITATIVE PAPER
GRADE: GR. 41 ASHLESS (ASH 0.007%)
DIAMETER: 125mm (4.921” DIA.)
PACKAGING: 100 Circles per BOX
PRODUCT DESCRIPTION:
Whatman Grade 41 environmental pollution papers are among the fastest filter papers in the Whatman ashless range. This gravimetric filter is well suited for quantitative analysis of soil and air.
Extremely low ash content (0.007% ash maximum)
20 µm nominal particle retention rating
Fast filtration speed (Herzberg 54 s)
Commonly used for routine air pollution analysis and soil pollution analysis
Whatman Grade 41 filters are suitable for quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates.
Fast ashless paper for pollution analysis. Grade 41 filters are also commonly used in preparing solid environmental samples (e.g., soils, sludges) for metals analysis after nitric acid digestion. Grade 41 is available in a convenient, disposable, 47 mm filter funnel with a 250 ml capacity. The 47 mm diameter filter can be easily removed for further analysis or culturing.
SPECS:
Thickness 215 µm (nominal) 215 µm (nominal) 215 µm (nominal)
Filtration Speed 54 s (Herzberg) 54 s (Herzberg) 54 s (Herzberg)
Ash Content 0.007% 0.007% 0.007%
Burst Strength 0.020 bar wet burst; 0.689 bar dry burst 0.020 bar wet burst; 0.689 bar dry burst 0.020 bar wet burst; 0.689 bar dry burst
Basis Weight 85 g/m² 85 g/m² 85 g/m²
Flow Rate Fast Fast Fast
Airflow Rate 4 s/100 ml/in² 4 s/100 ml/in²,4 s/100 mL/in² 4 s/100 mL/in²
Recommended Flow Rate 254 ml/min (Water) 254 ml/min (Water),254 mL/min (Water) 254 mL/min (Water)
Tensile Strength 27.2 N/15 mm Tensile M/D Dry 27.2 N/15 mm Tensile M/D Dry 27.2 N/15 mm Tensile M/D Dry