Quantitative Filter Paper / Lab Filters - Super Savings! Save up to 40%


Super Savings! Up to 40% off on Quantitative Filter Paper (in Lab Filters) at Water Softener Guy [25]. Top brands include Whatman. & Whatman. Hurry! Limited time offers. Offers valid only while supplies last.



Whatman 1002-385 Quantitative Filter Paper Circles, 8 Micron, 21 s/100mL/sq inch Flow Rate, Grade 2, 385mm Diameter (Pack of 100)
By Whatman
In Stock
$147.59

mpn: 1002-385,

4.3 out of 5 stars with 8 reviews
This Whatman 38.5cm, grade 2, cellulose filter paper is used in qualitative analytical techniques to determine and identify materials. It is slightly more retentive (8µm) than Whatman Grade 1, with a corresponding increase in filtration time (i.e., slightly slower filtration speed). It is also more absorbent than Grade 1. In addition to general filtration in the 8 µm particle size range, the extra absorbency is utilized. For example, it holds soil nutrient in plant growth trials. Additionally,


GE Whatman 10300210 Cotton Linters Ashless Qualitative Filter Paper, Grade 589/3, Circle, 110mm Diameter (Pack of 100)
By Whatman
In Stock
$74.04
$47.00
You Save: 37%

mpn: 10300210,

4.7 out of 5 stars with 19 reviews
Whatman quantitative filters from GE Healthcare are designed for gravimetric analysis and the preparation of samples for instrumental analysis. They are available in three formats designed to meet specific needs. ''Blue Ribbon Filter'': Ashless standard filter paper for very fine precipitates (class 2d acc. to DIN 53 135). Slow filter paper with highest efficiency for collecting very small particles. Also used for many routine analytical methods in different industries (e.g., determination of th


Whatman 1440-110 Quantitative Filter Paper Circles, 8 Micron, Grade 40, 110mm Diameter (Pack of 100)
By Whatman
In Stock
$41.00

mpn: 1440-110,

4.7 out of 5 stars with 56 reviews
The 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 separating solid matter from aqueous extracts in general soil analysis, quantitative determination of sediments in milk and as a pure analytical grade clean-up filter for solutions prior to AA spectrophotometry. Used also as a high purity filter in the collection of trace ele


Whatman 1441-055 Quantitative Filter Paper Circles, 20 Micron, Grade 41, 55mm Diameter (Pack of 100)
By Whatman
In Stock
$25.75
$19.41
You Save: 25%

mpn: 1441-055, ean: 0024149200022,

4.3 out of 5 stars with 18 reviews
The fastest ashless filter paper, recommended for analytical procedures involving coarse particles or gelatinous precipitates (e.g., iron or aluminium hydroxides). Also used in quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates. This filter is also available in the Whatman Disposable Filter Funnel. Retention: 20µm. Diameter: 5.5cm. 100/Pack. Whatman #: 1441-055.Diameter: 5.5cm. Retention: 20µm. Fastest ashless filter paper


Whatman 1003-090 Quantitative Filter Paper Circles, 6 Micron, 26 s/100mL/sq inch Flow Rate, Grade 3, 90mm Diameter (Pack of 100)
By Whatman
In Stock
$25.73
$18.15
You Save: 29%

mpn: 1003-090,

4.6 out of 5 stars with 51 reviews
This Whatman 9.0cm, grade 3, cellulose filter paper is used in qualitative analytical techniques to determine and identify materials. It has double the thickness of Grade 1, with still finer particle retention and excellent loading capacity. Thus, more precipitate can be held without clogging. The extra thickness gives increased wet strength and makes this grade highly suitable for use in Büchner funnels. The high absorbency is particularly valuable when the paper is used as a sample carrier. R


Whatman 1005-185 Quantitative Filter Paper Circles, 2.5 Micron, 94 s/100mL/sq inch Flow Rate, Grade 5, 185mm Diameter (Pack of 100)
By Whatman
In Stock
$65.49
$52.25
You Save: 20%

mpn: 1005-185,

4.3 out of 5 stars with 44 reviews
This Whatman 18.5cm, grade 5, cellulose filter paper is used in qualitative analytical techniques to determine and identify materials. It has the maximum degree of fine particle filtration (2.5µm) in the qualitative range. It is capable of retaining the fine precipitates encountered in chemical analysis. This filter paper has a slow flow rate. This is an excellent clarifying filter for cloudy suspensions and for water and soil analysis. Retention: 2.5µm. Diameter: 18.5cm. 100/Pack. Whatman #:


Whatman 1540-055 Hardened Ashless Quantitative Filter Paper, 5.5cm Diameter, 8 Micron, Grade 540 (Pack of 100)
By Whatman
In Stock
$22.85
$21.62
You Save: 5%

mpn: 1540-055,

4.2 out of 5 stars with 35 reviews
Very fast filtration for use with coarse and gelatinous precipitates. High wet strength makes this grade very suitable for vacuum assisted fast filtration of ''difficult'' coarse or gelatinous precipitates. Retention: 8µm. Diameter: 5.5cm. 100/Pack. Whatman #: 1540-055.Diameter: 5.5cm. Retention: 8µm. Very fast filtration. For use with coarse and gelatinous precipitates. High wet strength makes this grade very suitable for vacuum assisted fast filtration of ''difficult'' coarse or gelatinous p


Whatman 4712B45PK 1001185 Quantitative Filter Paper Circles, 11 μm, 10.5 s/100 ml/sq in Flow Rate, Grade 1, 185 mm Diameter (Pack of 100)
By Whatman
In Stock
$34.02

mpn: 1001185-100,

4.9 out of 5 stars with 51 reviews
Clarifies liquids in routine laboratory applications and for air pollution monitoring. Used in air monitors to collect atmospheric dust for assessment of stain intensity. Also available in 46 x 57 cm sheets.Most widely used general purpose laboratory filter paper. Medium retention, 11 µm, medium - fast flow rate, smooth surface.


Whatman 1001090 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 90mm Diameter (Pack of 100)
By Whatman
In Stock
$32.80

mpn: '1001090,

4.7 out of 5 stars with 43 reviews
These 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.most widely used filter paper for routine applications with medium retention and flow rate.. Covers a wide range of laboratory applications. Frequently Used for clarifying liquids.


Whatman 1444-110 Ashless Quantitative Filter Paper, 11.0cm Diameter, 3 Micron, Grade 44 (Pack of 100)
By Whatman
In Stock
$63.00
$42.16
You Save: 33%

mpn: 1444-110, ean: 5057205005458,

4.2 out of 5 stars with 44 reviews
Thin version of Grade 42 retaining very fine particles but with lower ash weight per sample and almost twice the flow rate as Grade 42. Retention: 3µm. Diameter: 11.0cm. 100/Pack. Whatman #: 1444-110.Diameter: 11.0cm. Retention: 3µm. Grade number 44 filter paper is the thin version of grade 42. Retains very fine particles but with lower ash weight per sample. Almost twice the flow rate as Grade 42.


Whatman 1540-110 Hardened Ashless Quantitative Filter Paper, 11.0cm Diameter, 8 Micron, Grade 540 (Pack of 100)
By Whatman
In Stock
$45.53
$43.21
You Save: 5%

mpn: 1540-110,

4.4 out of 5 stars with 40 reviews
Very fast filtration for use with coarse and gelatinous precipitates. High wet strength makes this grade very suitable for vacuum assisted fast filtration of ''difficult'' coarse or gelatinous precipitates. Retention: 8µm. Diameter: 11.0cm. 100/Pack. Whatman #: 1540-110.Diameter: 11.0cm. Retention: 8µm. Very fast filtration. For use with coarse and gelatinous precipitates. High wet strength makes this grade very suitable for vacuum assisted fast filtration of ''difficult'' coarse or gelatinous


Whatman 1540-150 Hardened Ashless Quantitative Filter Paper, 15.0cm Diameter, 8 Micron, Grade 540 (Pack of 100)
By Whatman
In Stock
$112.55
$70.21
You Save: 38%

mpn: 1540-150, ean: 5057205007940,

4.7 out of 5 stars with 52 reviews
Very fast filtration for use with coarse and gelatinous precipitates. High wet strength makes this grade very suitable for vacuum assisted fast filtration of ''difficult'' coarse or gelatinous precipitates. Retention: 8µm. Diameter: 15.0cm. 100/Pack. Whatman #: 1540-150.Diameter: 15.0cm. Retention: 8µm. Very fast filtration. For use with coarse and gelatinous precipitates. High wet strength makes this grade very suitable for vacuum assisted fast filtration of ''difficult'' coarse or gelatinous


Whatman 1540-090 Hardened Ashless Quantitative Filter Paper, 9.0cm Diameter, 8 Micron, Grade 540 (Pack of 100)
By Whatman
In Stock
$47.73
$35.69
You Save: 25%

mpn: 1540-090,

4.9 out of 5 stars with 28 reviews
Very fast filtration for use with coarse and gelatinous precipitates. High wet strength makes this grade very suitable for vacuum assisted fast filtration of ''difficult'' coarse or gelatinous precipitates. Retention: 8µm. Diameter: 9.0cm. 100/Pack. Whatman #: 1540-090.Diameter: 9.0cm. Retention: 8µm. Very fast filtration. For use with coarse and gelatinous precipitates. High wet strength makes this grade very suitable for vacuum assisted fast filtration of ''difficult'' coarse or gelatinous p


Whatman 4716H20PK 1441090 Grade 41 Quantitative Filter Paper Ashless Filter Circles, 90 mm, Max Volume 1764 ml/m (Pack of 100)
By Whatman
In Stock
$40.16

mpn: 1441090-100,

4.4 out of 5 stars with 40 reviews
Fast filtration of coarse or gelatinous precipitates (20-25 µm particle retention). Acid washed, ash content 0.007%. Especially suitable for iron or aluminum hydroxides; rough surface. Widely used in determining silicon in iron and steel analysis. Used for quantitative air pollution analysis when determining gaseous compounds at high flow rates.


Whatman 1441125100-DS Grade 41 Ashless Quantitative Filter Paper, 125 mm Diameter, 1764 ml/m Flow Rate, 20 μm (Pack of 100)
By Whatman
In Stock
$87.98
$52.41
You Save: 40%

mpn: 1441125100-DS,

4.9 out of 5 stars with 44 reviews
The product type is Whatman 4716H30PK 1441125 Grade 41 Ashless Quantitative Filter Paper, 125 mm Diameter, 1764 ml/m Flow Rate, 20 μm (Pack of 100), this product is made in United States and manufactured by Whatman.Fast filtration of coarse or gelatinous precipitates (20-25 µm particle retention). Made in united states. Manufactured by: Whatman.


Whatman 1003-320 Quantitative Filter Paper Circles, 6 Micron, 26 s/100mL/sq inch Flow Rate, Grade 3, 320mm Diameter (Pack of 100)
By Whatman
In Stock
$173.34

mpn: 1003-320,

4.9 out of 5 stars with 27 reviews
This Whatman 32.0cm, grade 3, cellulose filter paper is used in qualitative analytical techniques to determine and identify materials. It has double the thickness of Grade 1, with still finer particle retention and excellent loading capacity. Thus, more precipitate can be held without clogging. The extra thickness gives increased wet strength and makes this grade highly suitable for use in Büchner funnels. The high absorbency is particularly valuable when the paper is used as a sample carrier.


Whatman 1441-150 Ashless Quantitative Filter Paper, 15.0cm Diameter, 20 Micron, Grade 41 (Pack of 100)
By Whatman
In Stock
$64.88
$61.56
You Save: 5%

mpn: 1441-150, ean: 5057205008374,

4.4 out of 5 stars with 17 reviews
The fastest ashless filter paper, recommended for analytical procedures involving coarse particles or gelatinous precipitates (e.g., iron or aluminium hydroxides). Also used in quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates. This filter is also available in the Whatman Disposable Filter Funnel. Retention: 20µm. Diameter: 15.0cm. 100/Pack. Whatman #: 1441-150.Diameter: 15.0cm. Retention: 20µm. Fastest ashless filter pap


Whatman 1444-150 Ashless Quantitative Filter Paper, 15.0cm Diameter, 3 Micron, Grade 44 (Pack of 100)
By Whatman
In Stock
$94.96
$61.56
You Save: 35%

mpn: 1444-150, ean: 5057205006080,

4.8 out of 5 stars with 45 reviews
Thin version of Grade 42 retaining very fine particles but with lower ash weight per sample and almost twice the flow rate as Grade 42. Retention: 3µm. Diameter: 15.0cm. 100/Pack. Whatman #: 1444-150.Diameter: 15.0cm. Retention: 3µm. Grade number 44 filter paper is the thin version of grade 42. Retains very fine particles but with lower ash weight per sample. Almost twice the flow rate as Grade 42.


Whatman 4712B50PK 1001240 Quantitative Filter Paper Circles, 11 μm, 10.5 s/100 ml/sq in Flow Rate, Grade 1, 240 mm Diameter (Pack of 100)
By Whatman
In Stock
$54.39

mpn: 1001240-100,

4.2 out of 5 stars with 34 reviews
Clarifies liquids in routine laboratory applications and for air pollution monitoring. Used in air monitors to collect atmospheric dust for assessment of stain intensity. Also available in 46 x 57 cm sheets.Most widely used general purpose laboratory filter paper. Medium retention, 11 µm, medium - fast flow rate, smooth surface.


Whatman 4716H35PK 1441150 Grade 41 Quantitative Filter Paper Ashless Filter Circles, 150 mm Max Volume 1764 ml/m (Pack of 100)
By Whatman
In Stock
$76.20

mpn: 1441150-100,

4.3 out of 5 stars with 59 reviews
Fast filtration of coarse or gelatinous precipitates (20-25 µm particle retention). Acid washed, ash content 0.007%. Especially suitable for iron or aluminum hydroxides; rough surface. Widely used in determining silicon in iron and steel analysis. Used for quantitative air pollution analysis when determining gaseous compounds at high flow rates.



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