Lab Filtration & Purification

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Lab Filtration & Purification

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Product Category

Filter Papers (282)
Filters & Blotting Papers (332)
Glass & Quartz Microfibre Filters (171)
Membrane Filters (82)

Most used filters

Application

Clarification (716)
Liquid Filtration (135)
Air/Gas Filtration (89)
Prefiltration (69)
Solvent Filtration (63)
Solvent Filtration-mixtures (61)
Filtration of Aqueous Solutions (35)
Filtration of Solvent Mixtures (14)
Air Monitoring for Trace Metal Analyses (11)
Blotting (11)

Membrane Material

N/A (782)
Polytetrafluorethylene (PTFE) (33)
Regenerated Cellulose (RC) (16)
Polyamide (PA/NY) (14)
Polycarbonate (PC) (9)
Cellulose Nitrate (CN) (7)
Cellulose Acetate (CA) (1)

Pore Size

N/A (785)
0.2 µm (28)
0.45 µm (26)
1.2 µm (10)
5 µm (7)
0.8 µm (4)
0.4 µm (3)
0.1 µm (2)
0.65 µm (1)
3 µm (1)

Filter by product attributes

Air Resistance

1.5 mbar (2)
1.9 mbar (16)
2.5 mbar (11)
23 +/- 4 mbar (3)
25 mbar (7)
n.a. (61)

Application Area

Analytical Sample Preparation (680)
Moisture Barrier (27)
Particle Analysis (665)
Particle Removal (14)
Sample Prep (14)
Sterile Filtration (20)
Venting (27)

Basis Weight

100 g/m² (12)
118 g/m² (14)
125 g/m² (2)
135 g/m² (16)
140 g/m² (17)
145 g/m² (28)
160 g/m² (8)
180 g/m² (11)
200 g/m² (14)
220 g/m² (4)
320 g/m² (4)
330 g/m² (4)
475 g/m² (1)
550 g/m² (1)
56 g/m² (30)
60 g/m² (5)
65 g/m² (98)
67 g/m² (12)
70 g/m² (1)
700 g/m² (1)
73 g/m² (22)
75 g/m² (44)
78 g/m² (14)
80 g/m² (62)
84 g/m² (205)
85 g/m² (78)
87 g/m² (33)
88 g/m² (7)
90 g/m² (7)
97 g/m² (18)

Bubble Point

0.5 bar (1)
1 bar (2)
1.4 bar (2)
1.5 bar (1)
1.9 bar (1)
2.4 bar (2)
4.2 bar (1)
4.4 bar (7)
Too coarse-pored (16)
≥ 0.6 bar (1)
≥ 0.9 bar (5)
≥ 1.2 bar (8)
≥ 2.0 bar (3)
≥ 2.3 bar (6)
≥ 2.9 bar (6)
≥ 3.3 bar (8)
≥ 3.5 bar (3)
≥ 4.5 bar (1)
≥ 7.0 bar (2)
≥0.9 bar (4)
≥2.9 bar (2)

Burst Pressure

0.5 bar (1)
0.7 bar (2)
> 0.2 bar (4)
> 0.3 bar (2)
> 0.35 bar (1)
≥ 0.23 bar (6)
≥ 0.25 bar (8)
≥ 0.7 bar (9)

Capillary Rise / 10 Minutes

120 mm (1)
130 mm (4)
160 mm (1)
80 mm (8)
n.a. (6)

Capillary Rise / 30 Minutes

240 mm (4)
95 mm (2)
n.a. (5)

CAS

116-14-3 (1)
116-14-4 (1)
116-14-5 (1)
116-14-6 (1)
116-14-7 (1)
116-14-8 (1)

Color-coded Dot

Black dot: Fast filtering, wide-pore, lose structure, ash-free, wet-strengthened (6)
Blue dot: Very slow filtering, fine-pore, very dense, ash-free, wet-strengthened (5)
Green dot: Slow filtering, narrow-pore, dense, ash-free, wet-strengthened (4)
Red dot: Medium fast filtering, medium density ash-free, wet-strengthened (4)
White dot: Medium fast filtering, medium- to wide-pore, ash-free, wet-strengthened (5)

Dimensions

Filter Diameter

Filter Format

Discs (638)
Folded (228)
Sheets (1)

Filter Material

100 % Cotton Linters (> 98 % alpha-cellulose; ash-free) (105)
Cellulose Acetate (CA) (4)
Cellulose Nitrate (CN) / Mixed Cellulose Ester (MCE) (7)
Cellulose and Diatomaceous Earth (10)
Cotton Linters (> 98 % alpha-cellulose) (4)
Cotton Linters (> 98 % alpha-cellulose; < 0.04 % ash) (6)
Cotton Linters (low-nitrogen and nitrates:< 0.06 % ash) (51)
Cotton Linters and Refined Pulp (> 95 % alpha-cellulose) (274)
Cotton Linters and Refined Pulp (> 95 % alpha-cellulose; ash content ≤ 0.1 % according to DIN 54370) (125)
Cotton Linters and Refined Pulp (low-phosphate and potassium; < 0.02 % ash) (25)
Glass Microfibers (hydrophilic, with binder) (33)
Glass Microfibers (hydrophobic, with binder) (3)
Glass Microfibers, binder-free (108)
Polyamide (PA) (14)
Polycarbonate Film (PC) (9)
Polytetrafluorethylene (PTFE) (1)
Polytetrafluorethylene (PTFE), hydrophobic (32)
Quartz Microfibers (15)
Regenerated Cellulose (RC) (17)
Silicon Impregnated Paper (12)
Tempered Quartz Microfibers (11)

Filter Paper/Membrane Color

Black (5)
Blue (1)
White (861)

Filter Type

Blotting Papers (5)
Chromatography Papers (6)
Diatomaceous Earth Filter Papers (10)
Germination Test Papers (1)
Glass Microfiber Filters with Binder (37)
Glass Microfiber Filters without Binder (108)
Membrane Filters (73)
Paper Boards (9)
Phase Separating Papers (12)
Qualitative Filter Papers (466)
Quantitative Filter Papers (105)
Quartz Microfiber Filters (15)
Quartz Microfiber Filters, Tempered (11)
Track-Etched Filters (9)

Filtration Time

10 s (48)
100 s (40)
12 s (14)
120 mL/min (7)
13 s (10)
135 mL/min (14)
15 s (43)
180 s (37)
20 s (97)
22 s (25)
3 s (17)
30 s (41)
300 s (27)
320 mL/min (14)
4 s (18)
40 s (8)
410 mL/min (9)
435 mL/min (16)
45 s (38)
5 s (12)
50 s (33)
500 mL/min (22)
55 s (34)
570 mL/min (12)
60 s (6)
8 s (19)
80 s (10)
885 mL/min (14)
97 s (12)
n.a. (1)

Flow Rate

0.5 mL/min/cm²/0.7 bar (Water) (2)
10 mL/min/cm²/0.7 bar (Water) (3)
115 mL/min/cm²/bar (Water) (1)
15 mL/min/cm²/bar (Water) (5)
16 mL/min/cm²/bar (Water) (1)
20 mL/min/cm²/bar (Isopropanol) (9)
200 mL/min/cm²/bar (Water) (4)
24 mL/min/cm²/bar (Water) (8)
25 mL/min/cm²/bar (Water) (3)
250 mL/min/cm²/bar (Isopropanol) (7)
30 mL/min/cm²/0.7 bar (Water) (3)
32 mL/min/cm²/bar (Water) (8)
40 mL/min/cm²/0.7 bar (Water) (1)
430 mL/min/cm²/bar (Water) (1)
46 mL/min/cm²/bar (Water) (6)
69 mL/min/cm²/bar (Water) (1)
70 mL/min/cm²/bar (Water) (2)
86 mL/min/cm²/bar (isopropanol) (9)
9 mL/min/cm²/bar (Isopropanol) (8)

Grade

Materials of Construction

Polycarbonate (PC) membrane (9)
Refined pulp (4)
Refined pulp and linters (1)

Membrane Thickness

100 µm (16)
110 µm (14)
120 µm (3)
130 µm (7)
150 µm (16)
25 µm (9)
60 µm (8)
80 µm (9)

Pack Size

100 (687)
1000 (9)
200 (3)
25 (39)
50 (119)
500 (10)

Packaging

Non-sterile (1)
Non-sterile, bulk packed (866)

Penetration DOP 0.3 µm

0.015% (19)
0.02% (8)
< 0.001 % (79)
< 0.002% (26)
< 0.003% (7)
< 0.01 % (14)
< 0.5% (3)

Pore Density (cm²)

1.50E+8 (3)
4.00E+7 (1)
5.00E+8 (3)
6.00E+8 (2)

Pre-heated

No (15)
Yes (11)

Precipitations

Coarse crystalline (48)
Fine crystalline (144)
Medium-fine crystalline (53)
Very fine crystalline (64)

Retention Rate

0.7 µm (21)
1 µm (26)
1.2 µm (23)
1.5 µm (20)
1.6 µm (16)
10–13 µm (22)
12–14 µm (10)