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Polycap GW
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Home | Filtration Devices | Capsule Filters | Polycap GW
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The US Environmental Protection Agency (EPA) and local Departments for Environmental Protection protocols specify filtering ground water samples with a 0.45 µm filter when analyzing dissolved or suspended metals (EPA Method 3005). Specifically designed with field sampling in mind, the Whatman Polycap™ Ground Water sampling capsule can be used as a convenient in-line filter unit.
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Features and Benefits
- Connects directly to outlet of a sampling pump
- Easy to use
- Filtration membrane is encapsulated in durable polypropylene housing
- Also available in 1.0 µm and 5.0 µm filters, as required by US and regional EPA test methods
- Large surface area optimized to provide at least 600 cm2 of effective filtration area to ensure rapid
sample collection
- Housing components thermally fused (no glues, adhesives, metals, epoxies or extraneous materials)
- Suitable for filtration procedure outlined in EPA Method 3005 for ground water analysis
- Stepped hose barb fittings allow for connection with various size tubings
- Lot number printed on each unit for traceability
Applications
- Filter ground water samples before dissolved metal analysis
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| Technical Properties - Polycap GW |
| Housing |
Polypropylene |
| Filter Media |
0.45 µm: PES Filter
1.0 µm: Polypropylene Filter
5.0 µm: Polypropylene Filter |
| Inlet/Outlet |
1⁄4 to 3⁄8 in (6-9 mm) Stepped Barb (SB) |
| Support System |
Polypropylene |
| Vent |
On inlet |
| Filtration Area |
600 cm2 (93 in2) |
| Wetting Characteristics |
Hydrophilic |
| Maximum Pressure |
60 psi (4.1 bar) |
| Water Flow Rate @ 1.0 bar (14.5 psi) |
60 L/min |
| Flow Direction |
Flow should follow arrows |
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