Filtro nutsche a doppia camicia con fritta e giunto
The application of the frit depends on the size of its pores. According to ISO standard 4793, man distinguish seven pore sizes refers to the filtration purpose:
ISO-identification | Identification | Diameter of pores in µm | Applications of the frits |
P 500 | POR 00 / G 00 | 250-500 | Filtration of coarse precipitates, gas distribution in liquids with low gas pressure. |
P 250 | POR 0 / G 0 | 160-250 | Filtration of coarse precipitates, gas distribution in liquids with low gas pressure. |
P 160 | POR 1 / G 1 | 100-160 | Coarse filtration, gas distribution with higher pressure. |
P 100 | POR 2 / G2 | 40-100 | Preparative fine filtration, preparative work with crystalline precipitates, diffusion of gases in liquids. |
P 40 | POR 3 / G 3 | 16-40 | Analytical filtration, analytical work with medium precipitation, preparative work with fine precipitates, diffusion of gases in liquids. |
P 16 | POR 4 / G 4 | 10-16 |
Analytical fine filtration, analytical and preparative work with very fine precipitates, very fine gas distribution in liquids by means of pressure, shut-off valves for mercury. |
P 1,6 | POR 5 / G 5 | 1-1.6 |
Ultrafine filtration, bacteriological filters, filtration of larger microorganisms, extremely fine gas distribution in liquids by means of high pressure. |
- Made of Borosilicate glass 3.3.
- with glass stopcock and stopper
- Made of Borosilicate glass 3.3
- With short stem
- Hydrophobic
- 50 units/pack
- Hydrophilic
- 50 units/pack
- Made of Borosilicate glass 3.3.
- with PTFE stopcock and glass stopper
Extent of delivery:
1 x Vacuum Erlenmeyer Flask made from Boro 3.3 clear glass.
1 x Membrane filtration funnel with side tube.(Diameter Ø 47 or 50 mm)
1 x Filtering cup with graduations
1 x Clamp
1 x Plastic Stopper
Complete Set |
Erlenmeyer Flask (Volumes in ml) |
Filtering cup (Volumes in ml) |
Filtering Head for Membrane (Diameter Ø in mm) |
500 ml |
500 ml | 300 ml | 50 mm |
1.000 ml | 1.000 ml | 300 ml | 50 mm |
2.000 ml |
2.000 ml | 300 ml | 50 mm |
5.000 ml |
5.000 ml | 300 ml | 50 mm |
- Made of Borosilicate glass 3.3.
- with frit
- with joint
- with hose connector
- Made of Borosilicate glass 3.3.
- with pressure compensation tube
- with PTFE stopcock or glass stopcock
- Made of Borosilicate glass 3.3.
- with joint
- Made of Porcelain.
- With fixed sieve plate.
- with joint
- with hose
- Made of Borosilicate glass 3.3.
- Made of Borosilicate glass 3.3.
- with stopcock
- Made of Borosilicate glass 3.3
- with frit
- Made of Borosilicate glass 3.3.
- with frit
- Made of Borosilicate glass 3.3.
- with glass stopcock and stopper, graduated
- Made of Borosilicate glass 3.3.
- with joint
- with frit
Extent of delivery:
1 x Erlenmeyer Flask made from Boro 3.3 clear glass with connector hose.
1 x Membrane filtration funnel.(Diameter Ø 25 mm)
1 x Filtering cylinder with graduations
1 x Clamp
Complete Set |
Erlenmeyer Flask (Volumes in ml) |
Filtering cylinder (Volumes in ml) |
Filtering Head for Membrane (Diameter Ø in mm) |
250 ml - 25 ml |
250 ml | 25 ml | 25 mm |
250 ml - 100 ml | 250 ml | 100 ml | 25 mm |
- Made of Borosilicate glass 3.3
- with frit
- outer diameter 10 mm
- Made of Borosilicate glass 3.3
- With glass olive Ø 10 mm
- Made of Borosilicate glass 3.3.
- with PTFE Stopcock
Diameter Ø in mm | Length of stem in mm |
50 mm | 150 mm |
75 mm | 150 mm |
100 mm | 160 mm |
120 mm | 180 mm |
150 mm | 220 mm |
180 mm | 260 mm |
- Made of Borosilicate glass 3.3.
- with pressure compensation tube
- with PTFE stopcock
- Made of Silicon.
- For vacuum-tight connection of suction bottle and filter funnel. Successive sizes can be stacked inside each other.
Variants | Diameter Upside in mm | Diameter downside in mm |
Thickness in mm |
#1 | 21 mm | 14 mm | 2.8 mm |
#2 | 29 mm | 20 mm | 3.6 mm |
#3 | 37 mm | 25 mm | 4 mm |
#4 | 45 mm | 29 mm | 4 mm |
#5 | 54 mm | 36 mm | 4 mm |
#6 | 62 mm | 43 mm | 4 mm |
- Made of Borosilicate glass 3.3.
- with frit, joint and hose connector
- Made of Borosilicate glass 3.3.
- with PTFE stopcock on pressure compensation tube
- with joint
- Made of Borosilicate glass 3.3.
- with slit-sieve
- Made of Borosilicate glass 3.3.
- with joint and hose connector
- Made of Borosilicate glass 3.3.
- with frit
- with hose connector
- Double jacketed