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Syringe Filter, Nylon, 0.22um 25mm
Item #:
ETD/7X5531
Supplier #: 7X5531
Supplier #: 7X5531
Multi-Layer Prefilter, ReliaMAX™, Polypropylene Housing, Female Luer Lock /Male Luer Slip, Case of 1500
Filter Paper Grade #74 24.0cm 100/pk
Item #:
ETD/0740-2400
Supplier #: 0740-2400
Supplier #: 0740-2400
Ahlstrom manufactures a series of extremely high purity, acid washed filter papers designed for use in analytical and gravimetric analysis. The quantitative grades are manufactured from top quality cotton linters using ultra-pure, reverse-osmosis water and are further treated with dilute acid to remove any remaining organic and inorganic impurities. All quantitative grades are manufactured in a strictly controlled environment that ensures high uniformity and high purity from filter to filter.
Quantitative analysis
Low ash content 0.007% (Acid-wash treated)
High wet-strength
Consistent performance
Custom cut
Bulk packaging
Ashless Grades (Ash 0.007%)
These standard ashless grades are high purity filter papers suitable for routine quantitative gravimetric techniques and in the preparation of samples for use in analysis involving instrumental techniques.
Ahlstrom 74: 2.0µm – Medium Speed
This grade has medium flow rate and good particle retention and is the most commonly used acidwashed filter. Ahlstrom 74 covers a wide range of general ashless filtration applications. It is used for gravimetric analysis of numerous components (e.g.: cements, copper, clay, bismuth, silicon, iron) found in heavy industries such as construction, mining or steel. Ahlstrom 74 is also used as a high purity filter for speedy filtering of trace elements such as silver chromate, lead sulfate, zinc and ammonium hydroxides. Ahlstrom 74 is also found in general soil analysis for separating solid from aqueous extracts. Grade: 74
Retention (µm): 2.0
Filtration Speed (Herzberg sec/100mls): 229
Filtration Speed Rapidity (mls/min): 30
Loading Capacity: Medium
Filter Paper Grade 141
Item #:
ETD/1410-0470
Supplier #: 1410-0470
Supplier #: 1410-0470
GR141 Filter Paper Circles 100 Circles/PK. 4.70cm diameter circles. Glass Fiber Binderless Filter Paper. Very fast filtration speed absorbence. Weight 123g/m2 Thickness 0.66mm Herzberg 29sec/100ml Rapidity 400ml/min Capillary Rise 79mm Retention 3.1um Frazier Air Flow 11.5cfm/ft2. Exact Match 38010-725
Grade 151 55mm Glass Fiber Filter
Item #:
ETD/1510-0550
Supplier #: 1510-0550
Supplier #: 1510-0550
FILTER PAPER Glass Fiber Binderless Grade 151 5.5 cm circle 100/pk Exact Match 38010-838
Filter Paper Grade #161 4.25cm
Item #:
ETD/1610-0425
Supplier #: 1610-0425
Supplier #: 1610-0425
FILTER PAPER Glass Fiber Binderless Grade 161 4.25 cm circle 100/pk Exact Match 47749-602
Filter Paper Grade #74 11.0cm 1000/cs
Item #:
ETD/188329
Supplier #: 188329
Supplier #: 188329
Quantitative Filter Paper. Ashless, Acid Washed. Medium Speed 2.0µm.
Filter Glass Microfiber 9CM 100PK
Item #:
ETD/1930-0900
Supplier #: 1930-0900
Supplier #: 1930-0900
TCLP FILTERS Glass Fiber Binderless Grade 193 9 cm circle 100/pk Exact Match 12000-110
Thick Chromatography Paper #238, 100/pk
Item #:
ETD/2388-2020
Supplier #: 2388-2020
Supplier #: 2388-2020
Ahlstrom Grade 238 is a medium thick 100% cotton chromatography paper recommended for general applications.
It is also ideal for use as wicks in protein or nucleic acid blotting.
