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Our Whatman filter papers offer you flexibility in filter choice without sacrificing quality. All filters are packaged 100 to a box; see tables below to order.
A
D
Quantitative Filter Papers are the choice for gravimetric analysis. High-purity Quantitative hardened filters have a high wet-strength and are chemical resistant to handle vacuum filtration or acid/alkali solutions. A
B Qualitativ Qualitative e Filter Papers are used for liquid clarifications, analytical separations, or air and wat er analysis. C Glass Microfiber Filter Papers are made entirely of borosilicate glass and contain no bind ers. See our water p ollution test p apers below. Use up to 550°C (1022°F) F).. D Prepleated Filter Papers save you the trouble of folding papers. Papers have more filter surface area for faster filtrations.
Filter papers for high-purity filtration
B
C
A
Quantitative Filter Papers Type
Pore size
Applications
Dia
4.25 cm
5.5 cm
9.0 cm
11.0 cm
12.5 cm
15.0 cm
18.5 cm
24.0 cm
Rapid filtration fi ltration of coa coarse rse and gelatinous precipitates Gravimetric analysis, collection of trace elements For fi ltering finest fi nest crystalline materials
Cat at.. no no.. Price/bx Cat at.. no no.. Price/bx Cat at.. no no.. Price/bx
Hardened ashless—less than 0.008% ash Whatm tma an 541 541
20-25 20 -25 µm
What ma man 540
8 µm
Whatm tma an 542
2.7 µm
B
Coarse filtration filtr ation for gravimetric analysis Gravimetric analysis of metals in acids/alkalies High retention of finest particulate particulates s
Qualitative Filter Papers Type
Pore size
Applications
Dia
4.25 cm
5.5 cm
9.0 cm
11.0 cm
12.5 cm
15.0 cm
18.5 cm
Cat at.. no no.. Price/bx Cat at.. no no.. Price/bx Cat at.. no no.. Price/bx
Use as a prefilter to protect finer filters Gravimetric determination of airborne particulates For filtering finely precipitated precipitate d proteins
Standard Standa rd i n filtering fi ltering waste waterr or for cell harve wate harvesting sting Use for water and air pollution official offi cial test methods methods
Cat at.. no no.. Price/bx Cat at.. no no.. Price/bx
Glass M icr icrofiber ofiber Filter Filt er Papers Type
Pore size
Applications
For high purity—less than 3 µm Whatm tma an GF/D
2.7 2. 7 µm
Whatm tma an GF/A
1.6 1. 6 µm
Whatm tma an GF/F
0.7 0. 7 µm
Water pollution test papers Whatm tma an GF/C
1.2 1. 2 µm
Whatm tma an 934-A 934-AH
1.5 1. 5 µm
D
Prepleated Filter Papers Type
Whatman 2V
374
M ore info info
Pore size
Applications
Dia
12.5 cm
15.0 cm
18.5 cm
24.0 cm
8 µm
Retention of moderately fine precipitates
Cat at.. no no.. Price/bx
A-06 -0664 648-4 8-444 $00. 00
A-06 -0664 648-4 8-455 $00. 00
A-06 -0664 648-4 8-466 $00. 00
A-06 -0664 648-4 8-477 $00. 0 0
For funnels an d flasks, see pages 815815-830 830 in our “Labware” section.
Call Cole-Parmer Instrument Instrument Company Company toll free: (800) 3 23-4340 Fax: (847) 247-2929 In Canada Canada call Labcor: (800) (800) 363-590 0 In other countries countries fax direct: (847) 549-1700
