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All-Glass Filtration Assemblies
All-Glass Filtration Assemblies |
| All-glass filter holder design restricts contact with reactive surfaces such as steel or rubber to minimize contamination of sample or filtrate. |
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All-Glass Filter Holder Product Benefits:
- Standard 25 or 47mm filtration funnels mount on filtration flask using a ground glass joint
- Support base outlet drip tube is positioned below the side arm connection to prevent sample aspiration into the vacuum line
- All wetted surfaces are borosilicate glass with the exception of stainless steel and PTFE support options
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| Materials: |
25mm |
47mm |
| Funnel, base unit and flask |
Borosilicate glass |
| Support |
Borosilicate glass frit, stainless steel, or PTFE |
| Connection: |
| Ground glass joint |
14/20 female |
40/35 female |
| Side arm |
6 mm (3/8 inch) |
6 mm (3/8 inch) |
| Capacity: |
| Funnel |
15 ml |
300 ml |
| Receiver flask |
125 ml |
1000 ml |
| Membrane Filter Compatibility: |
| Filter size |
25 mm |
47 mm |
| Prefilter size (if used with membrane) |
16 mm |
35 mm |
| Filtration area |
2.1 cm2 |
9.6 cm2 |
| Specification |
Description |
| Support |
Sintered glass, stainless steel screen, or PTFE |
| Funnel Base |
Borosilicate |
| Membrane Filter Size |
25 mm: 25 mm; 47 mm: 47 mm |
| Prefilter Size |
25 mm: 16 mm; 47 mm: 35 mm |
| Filtration Area |
25 mm: 2.1 cm©÷; 47 mm: 9.6 cm©÷ |
| SKU |
Filter Area |
Support |
Funnel Size |
| 311220 |
25 mm |
Sintered Glass |
15 ml |
| 311320 |
25 mm |
Stainless Steel |
15 ml |
| 311420 |
47 mm |
Sintered Glass |
300 ml |
| 311520 |
47 mm |
Stainless Steel |
300 ml |
| 311620 |
47 mm |
PTFE |
300 ml | |
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