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Products > Ahlstrom Filter Paper > Glass Microfiber Filters

MINIMUM ORDER IS REQUIRED, CONTACT US FOR AVAILABILITY

Key Features: Laboratory analysis, 100% pure borosilicate glass, Rapid flow rate, Fine partical retention 0.7um to 3.1um, High loading capacity, chemical and thermal resistance (up to 500*C), Long shelf life, Brilliant white color reflecting more than 96% of visible light. Custom cut.


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1.2um Glass Microfiber Filter
1.2 Glass Microfiber Filter
SKU:
A1110-0210
Pack Count:
100
Filtration Speed Herzburg sec/100mls:
57
Filtration Speed: Rapidity mls/min:
120
Loading Capacity:
Very High
Size Range in cm:
2.1 to 32
Description:

This Grade offers fine particle retention with high filtration speed and good loading capacity. Ahlstrom 111 is used in general laboratory filtration including atmospheric and water polution monitoring such as intake controls, ozone-level, and water effluents. Grade 111 is also well suited for filtration of water and protein, testing of algae, bacteria cultures and for radioimmunoassay with weak beta emmitters. Ahlstrom 111is also recommended for filtering solvents in a high-resolution laboratory.

1.2 Glass Microfiber Filter

Fast Filtering Speed

Size Range in cm: 2.1 to 32cm

Whatman Cross Reference: GF/A

MINIMUM ORDER IS REQUIRED, CONTACT US FOR AVAILABILITY

$27.42 - $430.08
Qty
Price (per unit)
1 - 5
$27.42
6 - 25
$26.05
26 - 50
$24.75
51 - 100
$23.51
Qty:
 
Size:
1.0um Glass Microfiber Filter
1.0 Glass Microfiber Filter
SKU:
A1210-0210
Pack Count:
100
Filtration Speed Herzburg sec/100mls:
152
Filtration Speed: Rapidity mls/min:
45
Loading Capacity:
Very High
Size Range in cm:
2.1 to 32
Description:

This very thich grade offers finer partical retention than Ahlstrom 111 with high wet-strength and loading capacity. Ahlstrom 121 is recommended for the clarification of liquid suspensions loaded with fine particulates. Ahstrom 121 is also used in membrane pre-filtration and is also found in quantification of solids, and LSC (Liquid Scintilation Counting) techniques that require high loading capacity.

1.0 Glass Microfiber Filter

Medium Filtering Speed

Size Range in cm: 2.1 to 32cm

Whatman Cross Reference: GF/B

MINIMUM ORDER IS REQUIRED, CONTACT US FOR AVAILABILITY

$38.19 - $634.62
Qty
Price (per unit)
1 - 5
$38.19
6 - 25
$36.28
26 - 50
$34.47
51 - 100
$32.75
Qty:
 
Size:
1.0um Glass Microfiber Filter
1.0 Glass Microfiber Filter
SKU:
A1310-0210
Pack Count:
100
Filtration Speed Herzburg sec/100mls:
91
Filtration Speed: Rapidity mls/min:
75
Loading Capacity:
Very High
Size Range in cm:
2.1 to 32
Description:

This standard grade found in many environmental applications offers slightly more retention than Ahlstrom 111 with slightly lower filtration speed and loading capacity. Ahlstrom 131 is recommended for the collection of suspended solids in potable water and in industrial wastes. In biochemical tests, Ahlstrom 131 is suited for cell harvesting, liquid scintillation counting and the analysis of carbohydrates.

1.0 Glass Microfiber Filter 

Medium Filtering Speed

Size Range in cm: 2.1 to 32cm

Whatman Cross Reference: GF/C

MINIMUM ORDER IS REQUIRED, CONTACT US FOR AVAILABILITY

$41.79 - $588.47
Qty
Price (per unit)
1 - 5
$41.79
6 - 25
$39.70
26 - 50
$37.71
51 - 100
$35.83
Qty:
 
Size:
3.1um Glass Microfiber Filter
3.1 Glass Microfiber Filter
SKU:
A1410-0210
Pack Count:
100
Filtration Speed Herzburg sec/100mls:
29
Filtration Speed: Rapidity mls/min:
235
Loading Capacity:
Very High
Size Range in cm:
2.1 to 32
Description:

This grade offers better filtration speed and a higher loading capacity than an analytical filter paper of similar partical retention. Ahlstrom 141 is particularly recommended for pre-filtration of membrane filters and is also used in combination with Ahlstrom 121 as a highly efficient protective and retentive grade density pre-filter for membrane filters.

3.1 Glass Microfiber Filter

Fast Filtering Speed

Size Range in cm: 2.1 to 32cm

Whatman Cross Reference: GF/D

MINIMUM ORDER IS REQUIRED, CONTACT US FOR AVAILABILITY

$35.46 - $820.08
Qty
Price (per unit)
1 - 5
$35.46
6 - 25
$33.69
26 - 50
$32.00
51 - 100
$28.81
Qty:
 
Size:
0.7um Glass Microfiber Filter
0.7 Glass Microfiber Filter
SKU:
A1510-0210
Pack Count:
100
Filtration Speed: Herzburg sec/100mls:
343
Filtration Speed: Rapidity mls/min:
20
Loading Capacity:
Very High
Size Range in cm:
2.1 to 32
Description:

This high performance grade is designed to retain extremely fine particals to 0.7um. Ahlstrom 151 has retention comparable to membrane filters while providing higher flow and loading capacity. Ahlstrom 151 recommended for filtering fine precipitated proteins. In the filtration of nucleic acids and difficult biomedical solutions, Ahlstrom 151 is used in combination with Ahlstrom 141 as a highly efficient protective and retentive pre-filter to extend the loading capacity  of membrane filters.  Grade 151 is recommended for use in TCLP testing as described in test methods for evaluating solid wastes, EPA method 1311.

0.7 Glass Microfiber Filter 

Slow Filtering Speed

Size Range in cm: 2.1 to 32cm

Whatman Cross Reference: GF/F

MINIMUM ORDER IS REQUIRED, CONTACT US FOR AVAILABILITY

$48.83 - $1,478.52
Qty
Price (per unit)
1 - 5
$48.83
6 - 25
$46.38
26 - 50
$44.06
51 - 100
$39.66
Qty:
 
Size:
1.1um Glass Microfiber Filter
1.1 Glass Microfiber Filter
SKU:
A1610-0210
Pack Count:
100
Filtration Speed Herzburg sec/100mls:
68
Filtration Speed: Rapidity mls/min:
100
Loading Capacity:
Very High
Size Range in cm:
2.1 to 32
Description:

This popular grade offers finer paticulate retension and higher flow rate than traditional analytical filter papers. Ahlstrom 161is used in general laboratory applications, cell harvesting, liquid scitillation counting and in the monitoring of air & water polution. Ahlstrom 161 is generally recommended for water pollution monitoring techniques for total suspended solids. 

1.1 Glass Microfiber Filter

Medium Filtering Speed

Size Range in cm: 2.1 to 32cm

Whatman Cross Reference: 934AH

MINIMUM ORDER IS REQUIRED, CONTACT US FOR AVAILABILITY

$24.08 - $557.07
Qty
Price (per unit)
1 - 5
$24.08
6 - 25
$22.88
26 - 50
$21.74
51 - 100
$19.56
Qty:
 
Size: