Qualitative Filter Paper / Lab Filters - Super Savings! Save up to 34%


Super Savings! Up to 34% off on Qualitative Filter Paper (in Lab Filters) at Water Softener Guy [24]. Top brands include Whatman, ZENpore, Pitco, Purus, Ahlstrom, Renu, & Advantec. Hurry! Limited time offers. Offers valid only while supplies last.



Whatman 1825-047 Glass Microfiber Binder Free Filter, 0.7 Micron, 19 s/100mL Flow Rate, Grade GF/F, 4.7cm Diameter (Pack of 100)
By Whatman
In Stock
$115.00

mpn: 1825-047, ean: 0024144890723,

4.9 out of 5 stars with 15 reviews
The Whatman high efficiency GF/F filter will retain fine particles down to 0.7µm. Unlike membrane filters with a comparable retention value, it has a very rapid flow rate with a high loading capacity. GF/F filters are suitable for critical applications including enumeration of Salmonella and Pseudomonas Aeroginosa, clarification of protein solutions and filtering samples and solvents prior to HPLC. Because of the tight specification of 0.6µm-0.8µm particle retention and pure borosilicate glas


24 cm Lab Filter Paper, Standard Qualitative Grade 2 - ZENPORE Slow Flow (100 Discs - 240 mm)
By ZENpore
In Stock
$31.00

mpn: ST002-240, ean: 0650728293569,

4.8 out of 5 stars with 34 reviews
GRADE 2 STANDARD Qualitative Filter Paper Equivalent to Whatman grade 2, this laboratory filter paper is widely used for standard fine filtration when you need to separate a solid or precipitate from the filtrate.Made from high alpha-cellulose cotton, this standard lab filter is not intended for ashing.APPLICATIONSscience : General filtration in the 8 ?m range, clarification of cloudy suspension in labsfood : Determination of total fat content in foodstuff and dairy, unsaponifiable fraction in f


24 cm Lab Filter Paper, Standard Qualitative Grade 4 - ZENPORE Fast Flow (100 Discs - 240 mm)
By ZENpore
In Stock
$29.10

mpn: ST004-240, ean: 0650728293729,

4.9 out of 5 stars with 16 reviews
GRADE 4 STANDARD Qualitative Filter Paper Equivalent to Whatman grade 4, this very fast laboratory filter paper is used for coarse filtration when you need to separate a solid or precipitate from the filtrate.Made from high alpha-cellulose cotton, this standard lab filter is not intended for ashing.APPLICATIONSscience : Routine clean-up of insoluble liquids such as biological fluids or organic extracts in labsfood : Determination Sodium Chloride in foodstuffswine : Filtration of mustsmetalurgy :


Whatman 1005-125 Qualitative Filter Paper Circles, 2.5 Micron, 94 s/100mL/sq inch Flow Rate, Grade 5, 125mm Diameter (Pack of 100)
By Whatman
In Stock
$36.37
$30.50
You Save: 16%

mpn: 1005-125,

4.3 out of 5 stars with 38 reviews
This Whatman 12.5cm, 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: 12.5cm. 100/Pack. Whatman #:


Whatman 1442-110 Ashless Quantitative Filter Paper, 11.0cm Diameter, 2.5 Micron, Grade 42 (Pack of 100)
By Whatman
In Stock
$42.16

mpn: 1442-110, ean: 5057205008381,

4.7 out of 5 stars with 23 reviews
A world standard for critical gravimetric analysis with the finest particle retention of all Whatman cellulose filter papers. Typical analytical precipitates include barium sulphate, metastannic acid and finely precipitated calcium carbonate. Retention: 2.5µm. Diameter: 11.0cm. 100/Pack. Whatman #: 1442-110.Diameter: 11.0cm. Retention: 2.5µm. A world standard for critical gravimetric analysis. A Whatman cellulose filter is manufactured from high quality cotton linters treated to achieve a mini


Pitco PP10613 Heavy Duty Filter Paper, 18.5"x20.5"
By Pitco
In Stock
$74.96

mpn: PP10613, ean: 0735090912093,

4.6 out of 5 stars with 47 reviews
The Pitco PP10613 Heavy Duty Filter Paper, 18.5''x20.5'' is a genuine OEM (original equipment manufacturer) replacement part. Pitco has been producing industry-leading frying equipment with a track record of excellence. Use genuine OEM parts for safety, reliability, and performance. Approved by original equipment manufacturer (OEM) and intended only for designed and specified use.Genuine OEM replacement part. Pitco has been producing industry-leading frying equipment with a track record of excel


Purus-Blue Cleanroom Paper, 11" X 17", 250/Pack
By Purus
In Stock
$32.99

mpn: TPAP1117-BE,

4.9 out of 5 stars with 58 reviews
Purus 11 x 17 Cleanroom Paper Heavy 22 lb. bond lasts! Latex-free cleanroom paper with polyethylene coating is suitable for daily, repeated use in class 10 to 1000 cleanrooms.Strong. Heavy 22 lb. cleanroom paper, stands up to daily, repeat use.. Smooth. Takes pen with ease, no smears. Excellant printability and toner adhesion.. Cleanroom Safe. Paper is impregnated and coated with polymer formula that obstructs particles from generating. No latex added.. High opacity and durability. Cleaned and d


Whatman 1442-125 Ashless Quantitative Filter Paper, 12.5cm Diameter, 2.5 Micron, Grade 42 (Pack of 100)
By Whatman
In Stock
$37.00

mpn: 1442-125, ean: 5057205008091,

4.2 out of 5 stars with 58 reviews
A world standard for critical gravimetric analysis with the finest particle retention of all Whatman cellulose filter papers. Typical analytical precipitates include barium sulphate, metastannic acid and finely precipitated calcium carbonate. Retention: 2.5µm. Diameter: 12.5cm. 100/Pack. Whatman #: 1442-125.Diameter: 12.5cm. Retention: 2.5µm. A world standard for critical gravimetric analysis. A Whatman cellulose filter is manufactured from high quality cotton linters treated to achieve a mini


Ahlstrom 6100-2400 Qualitative Filter Paper, 24cm Diameter, 1.5 Micron, Slow Flow, Grade 610 (Pack of 100)
By Ahlstrom
In Stock
$46.75
$42.00
You Save: 10%

mpn: 6100-2400,

4.2 out of 5 stars with 40 reviews
Ahlstrom's qualitative grades of filter paper are, by definition, recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Ahlstrom offers a complete range of low ash filter papers for general laboratory work that provides you with the correct combination of particle retention, filtration speed, loading capacity and wet-strength. Qualitative analysis, low ash content 0.06 percent, untreated, consistent perfor


Whatman 1827-110 Glass Microfiber Binder Free Filter, 1.5 Micron, 3.7 s/100mL Flow Rate, Grade 934-AH, 11.0cm Diameter (Pack of 100)
By Whatman
In Stock
$97.49

mpn: 1827-110,

4.3 out of 5 stars with 7 reviews
The fine particle retention of this popular grade is superior for its high retention efficiency at high flow rates and its high loading capacity. This filter is a smooth surface, high retention borosilicate glass microfibre which withstands temperatures over 500°C. Specified in Standard Methods 2540D for determining total suspended solids in water, removal of turbidity and filtration of bacterial cultures. Grade 934-AH is used for a wide range of laboratory applications. It is recommended for w


Purus PCIB 1084C Blue Non-Latex Clean Image Cleanroom Paper, 11" Length x 8.5" Width (Case of 2500 sheets)
By Purus
In Stock
$121.68
$121.47

mpn: PCIB 1084C,

4.4 out of 5 stars with 21 reviews
Extraction volume 100 ml. A sample portion of material was cut. The sample was soaked with 100 ml of ambient ultrapure water for 1 hour. After 1 hour, the sample was removed and the extraction was analyzed by Ionic Chromatography. A control sample was performed in conjunction with the test sample. 22lbs Weight.Polyethylene, non-latex, binding technology reduces paper fiber; suitable for use in Class 10 to Class 1000 cleanrooms. Clean Image Premier Paper produced in Class 100 cleanroom; Cleaned a


Renu A155 A230 A95 Disk-Type Fryer Filter Paper Fits Ranu Models #A95 A155 A230 100-Pack 133-1061
By Renu
In Stock
$125.00

mpn: A155 A230 A95,

4.5 out of 5 stars with 46 reviews
Disk-type fryer oil filter 21-1/2'' (54.6cm) diameter used on renu models a95, a155, a230 sold in quantities of 100this as well as all items in our store are brand new and factory fresh! (unless listed under used equipment category.)


Whatman 1822-047 Glass Microfiber Binder Free Filter, 1.2 Micron, 6.7 s/100mL Flow Rate, Grade GF/C, 4.7cm Diameter (Pack of 100)
By Whatman
In Stock
$102.94
$86.73
You Save: 16%

mpn: 1822-047, ean: 0024140775611,

4.2 out of 5 stars with 23 reviews
This Whatman GF/C glass microfiber filter combines fine particle retention with good flow rate. It is the standard filter in many parts of the world for the collection of suspended solids in potable water and natural and industrial wastes. It provides fast and efficient clarification of aqueous liquids containing low to medium levels of fine particulates. This filter is widely used for cell harvesting, liquid scintillation counting and binding assays where more loading capacity is required. Rete


24 cm Fluted Filter Paper, Pre-Pleated (Folded), Qualitative Grade 4 - ZENPORE Fast Flow (100 Discs - 240 mm)
By ZENpore
In Stock
$53.80

mpn: ST004-240v, ean: 0650728293804,

4.3 out of 5 stars with 60 reviews
GRADE 4 V FLUTED Qualitative Filter PaperEquivalent to Whatman grade 4 V, this very fast laboratory filter paper is used for coarse filtration when you need to separate a solid or precipitate from the filtrate.Made from high alpha-cellulose cotton, this standard lab filter is not intended for ashing.APPLICATIONSscience : Routine clean-up of insoluble liquids such as biological fluids or organic extracts in labsfood : Determination Sodium Chloride in foodstuffswine : Filtration of mustsmetalurgy


Whatman 1825-090 Glass Microfiber Binder Free Filter, 0.7 Micron, 19 s/100mL Flow Rate, Grade GF/F, 9.0cm Diameter (Pack of 25)
By Whatman
In Stock
$65.00

mpn: 1825-090, ean: 0024143821117,

4.3 out of 5 stars with 54 reviews
The Whatman high efficiency GF/F filter will retain fine particles down to 0.7µm. Unlike membrane filters with a comparable retention value, it has a very rapid flow rate with a high loading capacity. GF/F filters are suitable for critical applications including enumeration of Salmonella and Pseudomonas Aeroginosa, clarification of protein solutions and filtering samples and solvents prior to HPLC. Because of the tight specification of 0.6µm-0.8µm particle retention and pure borosilicate glas


Whatman 1003-150 Quantitative Filter Paper Circles, 6 Micron, 26 s/100mL/sq inch Flow Rate, Grade 3, 150mm Diameter (Pack of 100)
By Whatman
In Stock
$58.42
$38.44
You Save: 34%

mpn: 1003-150,

4.2 out of 5 stars with 18 reviews
This Whatman 15.0cm, 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.


Pre-Folded Advantec No. 2 Filter Paper - 11cm 400/tube
By Advantec
In Stock
$68.00

mpn: ADV2-11,

4.6 out of 5 stars with 22 reviews
Advantec #2 Folded Filter Paper - 400 pieces per tube. Preferred paper for Zinc analysis!Qualitative filter paper for precipitate removal and qualitative analysis preparation.. Made of 100% alpha cotton cellulose; Ash content 0.1%. Stable from pH 0 ~ 12; thermostable up to 120°C Retains medium crystalline particles.. Fast flow rate, smooth surface, normal hardness.. Preferred paper for Zinc analysis!.


Whatman 1825-025 Glass Microfiber Binder Free Filter, 0.7 Micron, 19 s/100mL Flow Rate, Grade GF/F, 2.5cm Diameter (Pack of 100)
By Whatman
In Stock
$107.74
$85.94
You Save: 20%

mpn: 1825-025, ean: 0024143059169,

4.9 out of 5 stars with 57 reviews
The Whatman high efficiency GF/F filter will retain fine particles down to 0.7µm. Unlike membrane filters with a comparable retention value, it has a very rapid flow rate with a high loading capacity. These Whatman GF/F filters are suitable for critical applications including enumeration of Salmonella and Pseudomonas Aeroginosa, clarification of protein solutions and filtering samples and solvents prior to HPLC. Because of the tight specification of 0.6µm-0.8µm particle retention and pure bor


Whatman 1004-240 Quantitative Filter Paper Circles, 20-25 Micron, 3.7 s/100mL/sq inch Flow Rate, Grade 4, 240mm Diameter (Pack of 100)
By Whatman
In Stock
$81.69
$63.73
You Save: 22%

mpn: 1004-240,

4.0 out of 5 stars with 22 reviews
This Whatman 24.0cm, grade 4, cellulose filter paper is used in qualitative analytical techniques to determine and identify materials. It is extremely fast filtering. It provides excellent retention of coarse particles (20-25µm) and gelatinous precipitates such as ferric hydroxide and aluminium hydroxide. It is very useful as a rapid filter for routine cleanup of biological fluids or organic extracts during analysis. This filter paper is used when high flow rates in air pollution monitoring are


Ahlstrom 5150-2400 Pleated Filter Paper, 25 Micron, Rapid Flow, Grade 515, 24cm Diameter (Pack of 100)
By Ahlstrom
In Stock
$136.19
$107.95
You Save: 21%

mpn: 5150-2400,

4.7 out of 5 stars with 57 reviews
Ahlstrom offers a full range of standard pleated grades that meet your needs from grades with rapid flow rates for filtration of viscous materials to grades with tight matrices for removal of fine precipitates. Ahlstrom’s pre-pleated grades can save valuable time and maximize the efficiency of the laboratory filter system. Pleating improves the effective surface area increasing flow rate and loading capacity thus decreasing filtration time. Bulk packaging. 25 micrometer retention. 29 sec/100ml



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