FILTER PAPER
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Ahlstrom Ashless Quantitative Filter Papers (Ash 0.007%), Grade 94
$25.45Ahlstrom 94: 1.5 m - Slow Speed. This is an extremely fine retention filter for critical gravimetric analysis of very fine particles such as barium and lead sulfates, stannic and nickel sulfide, calcium oxalate and calcium fluoride. Ashless Grades (Ash 0...882-11301$25.45 -
Ahlstrom Ashless Quantitative Filter Papers (Ash 0.007%), Grade 54
$25.45Ahlstrom 54: 10 m - Fast Speed. This is a fast filtering grade for rapid filtration of coarse particles and gelatinous precipitates such as iron, zirconium and aluminum hydroxides, and cobalt sulfide. Ahlstrom 54 is also used in air pollution testing to...882-10971$25.45 -
GE Whatman* Quantitative Filter Papers, Ashless (ash 0.007%), Grade 40
$25.15Grade 40 Ashless: 8 µmThe classic general purpose ashless filter paper with medium speed and retention. Typical applications include gravimetric analysis for numerous components in cements, clays, iron and steel products; as a primary filter for...889-77442$25.15 -
GE Whatman* Hardened Low Ash Grade 50
$25.15Grade 50: 2.7 µmUse in the retention of the finest crystalline precipitates. The thinnest of all Whatman filter papers. Slow flow rate. This finish also keeps the paper free from loose surface fibers. Highly suitable for qualitative or quantitative...889-12865$25.15 -
Spectrum® Grade A-E Glass Microfiber Filter Media
$24.10Fine porosity and fast flow rate, with a 1.0 µm size particle retention. Binderless borosilicate glass microfiber. DOP efficiency is 99.98%. Primarily used in suspended solids and air monitoring.Image(s) are representative of the product group...884-10637$24.10 -
Ahlstrom Sugar Testing Filter Paper, Grade 8613
$23.90Grade 8613: 4 µm - Sugar Testing Filter Paper. Designed for the sugar industry, this grade has a smooth black finish for use in applications requiring visual examination of particles.• Qualitative analysis• Low ash content 0...882-40548$23.90 -
GE Whatman* Wet-Strengthened Grade Qualitative Filter Papers Grade 113
$23.45These extremely strong filter papers have a high wet strength due to the addition of a small quantity of chemically stable resin. Normal qualitative applications will not introduce any significant impurities into the filtrate. The resins do, however,...889-11236$23.45 -
Spectrum® Grade D Binderless Glass Microfiber Filters
$22.70Glass microfiber filters produced from 100% borosilicate glass microfiber without the use of binders or strengthening agents. These filters offer many advantages in a wide range of analytical applications.Grade D: Coarse porosity, fast flow rate,...884-10475$22.70 -
GE Whatman* Grade 598 Qualitative Filter Papers - Each
$18.05These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters...889-79122$18.05 -
GE Whatman* Grade 595 Qualitative Filter Papers
$18.05These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters...889-79014$18.05 -
GE Whatman* Wet-Strengthened Grade Qualitative Filter Papers Grade 114
$16.60These extremely strong filter papers have a high wet strength due to the addition of a small quantity of chemically stable resin. Normal qualitative applications will not introduce any significant impurities into the filtrate. The resins do, however,...889-11290$16.60 -
GE Whatman* Qualitative Filter Papers, Grade 5
$11.70Grade 5: 2.5 µmThe maximum degree of fine particle filtration in the qualitative range. Capable of retaining the fine precipitates encountered in chemical analysis. Slow flow rate. Excellent clarifying filter for cloudy suspensions and for water and...889-10666$11.70 -
Spectrum® Grade E Binderless Glass Microfiber Filters
$15.10Glass microfiber filters offered in this product range are produced from 100% borosilicate glass microfiber without the use of binders or strengthening agents. These filters offer many advantages in a wide range of analytical applications.Grade E:...884-10514$15.10 -
GE Whatman* Qualitative Filter Papers, Grade 3
$14.70Grade 3: 6 µm: Double the thickness of Grade 1 with still finer particle retention and excellent loading capacity; more precipitate can be held without clogging. The extra thickness gives increased wet strength and makes this grade highly suitable...889-10480$14.70 -
GE Whatman* Qualitative Filter Papers, Grade 2
$13.55Grade 2: 8 µmSlightly more retentive than Grade 1 with a corresponding increase in filtration time (i.e., slightly slower filtration speed). More absorbent than Grade 1. In addition to general filtration in the 8 µm particle size range, the...889-10342$13.55 -
GE Whatman* Qualitative Filter Papers, Grade 6
$12.05Grade 6: 3 µmTwice as fast as Grade 5 with almost as fine particle retention. Often specified for boiler water analysis applications.Image(s) are representative of the product group and not necessarily the individual product.Circles, Grade 6, 3...889-10681$12.05 -
GE Whatman* Grade 93 Qualitative Filter Papers
$12.05Grade 93: 10 µmThis filter paper is intermediate in speed and retention between Grades 1 and 4. Available in a dispenser pack, which can be attached to the wall or bench, placed on a shelf either upright or flat, and used as a normal carton or as a...889-79377$12.05 -
Spectrum® Grade CFP40 Cellulose Filter Paper
$8.65Grade CFP40: Demonstrating medium retention and flow rates, this media is widely used in many general quantitative procedures in both liquid and gas. These procedures include: standard environmental test procedures such as soil sample analysis & the...884-10781$8.65 -
GE Whatman* Grade 230 Reeve Angel Filter Papers
$10.55Reeve Angel filter papers are manufactured primarily for non-critical industrial laboratory filtration applications requiring inexpensive filters of consistent performance. Note: These papers should not be used for kjeldahl nitrogen analysis.Grade 230 is...889-30241$10.55 -
GE Whatman* Grade 201 Filter Papers
$10.55Reeve Angel filter papers are manufactured primarily for non-critical industrial laboratory filtration applications requiring inexpensive filters of consistent performance. Note: These papers should not be used for kjeldahl nitrogen analysis.Grade 201 is...889-30061$10.55 -
Spectrum® Grade CFP42 Cellulose Filter Paper
$10.25Grade CFP42: This media demonstrates an extremely high retention rate for a cellulose filter media. Its uniquely high retention rate makes it ideal for any gravimetric analysis of very fine precipitates. Specifications:• Furnish/Finish:...884-10829$10.25 -
Ahlstrom Qualitative Filter Papers, Grade 610
$9.85Ahlstrom Grade 610: 1.5 m - Slow Speed (non wet-strengthened). This grade is a slow flowing filter designed to retain fine particles encountered in qualitative analysis. Ahlstrom 610 is widely used for water analysis, biological products and fine...882-34512$9.85 -
GE Whatman* Grade 202 Reeve Angel Filter Papers
$9.05Reeve Angel filter papers are manufactured primarily for non-critical industrial laboratory filtration applications requiring inexpensive filters of consistent performance. Note: These papers should not be used for kjeldahl nitrogen analysis.Grade 202...889-30118$9.05 -
Spectrum® Grade CFP41 Cellulose Filter Paper
$8.75Grade CFP41: Very fast flow rates and loose retention characteristics make this grade ideal for initial separation of gelatinous precipitates.Specifications:• Furnish/Finish: Cotton/Ashless• Retention: 19-26 µm• Flow Rate:...884-10805$8.75 -
Spectrum® Grade CFP44 Cellulose Filter Paper
$8.65Grade CFP44: Very similar to CFP42 but demonstrating a slightly wider retention rate within a similar flow rate. Typically used in the analysis of samples requiring separation of very fine precipitates.Specifications:• Furnish/Finish:...884-10877$8.65 -
Spectrum® Grade CFP43 Cellulose Filter Paper
$8.65Grade CFP43: Positioned as an intermediate within the quantitative cellulose family, this grade demonstrates medium retention and flow rates. It is ideal for gravimetric analysis of soil samples, surface water testing procedures and used in air sample...884-10853$8.65 -
Ahlstrom Qualitative Filter Papers, Grade 609
$8.65Ahlstrom Grade 609: 4 m - Medium Speed (non wet-strengthened). This grade is an evolution of Ahlstrom 613 for use in the beer industry. This is a filter paper with an extremely low iron and nitrogen content for the analysis of protein in beer.Standard...882-34431$8.65 -
Ahlstrom Qualitative Filter Papers, Grade 601
$8.65Ahlstrom Grade 601: 2.5 m - Medium Speed (non wet-strengthened). This grade covers a wide range of laboratory applications and is used for clarifying liquids and for rapid filtration of coarser precipitates such as lead sulfate, lead chromate, calcium...882-34170$8.65 -
Ahlstrom Qualitative Filter Papers, Grade 642
$8.60Ahlstrom Grade 642: 2 m - Medium Speed (non wet-strengthened). This grade has finer particle retention than Ahlstrom 601 but with slightly lower filtration speed. Ahlstrom 642 also has higher absorption than Ahlstrom 601. It is used in general laboratory...882-35508$8.60 -
Ahlstrom Qualitative Filter Papers, Grade 631
$8.60Ahlstrom Grade 631: 10 m - Medium Speed (non wet-strengthened). This grade is used for the filtration of coarse particles and gelatinous precipitates such as ferric aluminum and magnesium hydroxides. Ahlstrom 631 is used in air monitoring and gas...882-35292$8.60 -
Spectrum® Grade CFP1 Qualitative Cellulose Filter Papers
$6.40Grade CFP1: Very widely used filter media demonstrating retention of approximately 11 µm and a medium flow rate. Used in a broad range of laboratory and environmental applications, this media is ideally suited in separating lead sulfate, calcium...884-10682$6.40 -
Ahlstrom Qualitative Filter Papers, Grade 237
$8.10Ahlstrom Grade 237: 3 m - Medium Speed (non wet-strengthened). This high absorbency grade is twice as thick as grade 642 with similar particle retention. The superior absorbency offers excellent performance when used as a sample carrier. The extra...882-20376$8.10 -
Spectrum® Grade CFP3 Qualitative Cellulose Filter Papers
$7.45Grade CFP3:Virtually identical to CFP1, but twice as thick resulting in a significantly slower flow rate with a retention of approximately 6 µm. This media does not clog as easily as the other qualitative cellulose types, which allows for much...884-10733$7.45 -
Ahlstrom Qualitative Filter Papers, Grade 613
$7.35Ahlstrom Grade 613: 6 m - Medium Speed (non wet-strengthened). This is a strong filter paper with a medium flow rate and retention. Ahlstrom 613 is commonly used in student laboratories. This strong general-purpose filter is also useful in Buchner...882-34668$7.35 -
Spectrum® Grade CFP4 Qualitative Cellulose Filter Papers
$7.15Grade CFP4:The fastest flow rate demonstrated by any of the qualitative cellulose filter medias resulting in a low retention rate of approximately 20-26 µm. Very commonly used as the first media in multi-stage filtration process. Ideally suited for...884-10757$7.15 -
Ahlstrom Qualitative Filter Papers, Grade 617
$7.15Ahlstrom Grade 617: 35 m - Fast Speed (non wet-strengthened). This is an extremely fast filtering grade and has a larger particle retention than Ahlstrom 631. Ahlstrom 617, a thicker filter paper with higher loading capacity, is used for rapid filtration...882-34929$7.15 -
Spectrum® Grade CFP2 Qualitative Cellulose Filter Papers
$7.05Grade CFP2: This is a more retentive and absorbent media than CFP1, with approximately 8 µm and a medium to slow flow rate. This media is ideal for general filtration and absorbent conveyance. Commonly used in plant growth trials and monitoring...884-10709$7.05