Pall GN-4 Metricel Membrane Disc Filters - Consumable

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관리자 2021-10-26 17:09:07

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*Pall GN-4 Metricel Membrane Disc Filtrs

제조사:PALL

Inherently low ash membrane ideally suited for multiple NIOSH analytical methods

Assure gravimetric stability. Low moisture pick-up and low tare weight.
Low ash. Provides interference-free silica determinations.
5 µm pore size meets NIOSH and OSHA requirements.
25 and 37 mm sizes are ideal for use in Pall Life Sciences Air Monitoring Cassettes.

Excellent membrane choice for sampling airborne metals, silica, and dust.

Filter Media
Hydrophilic mixed cellulose esters

Pore Size
0.8 µm

Typical Thickness
152 µm (6 mils)

Typical Filter Weight
4 mg/cm²

Typical Water Flow Rate
129 mL/min/cm² at 0.7 bar (70 kPa, 10 psi)

Typical Air Flow Rate
55 L/min/3.7 cm² at 0.9 bar (90 kPa, 13.5 psi)

Maximum Operating Temperature - Water
74 °C (165 °F)

Typical Moisture Pick-up
<1% after 24 hr at 48% relative humidity at 23 °C (73 °F)
　

Extractables - Boiling Water
<2%

Minimum Bubble Point - Water
1.0 bar (100 kPa, 14 psi)

Refractive Index
1.512

GN-4 Metricel Membrane Disc Filters, 0.8 µm
Part Number	Description	Pkg
64677	25 mm, plain, with support pads	100/pkg
66263	25 mm, plain	100/pkg
66276	25 mm, grid, packaged in four cavities	100/pkg
64678	37 mm, plain, with support pads	100/pkg
64679	47 mm, plain	100/pkg
66179	47 mm, grid	100/pkg