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[Filter&pH Papers] Application Specific Filters
관리자 2021-10-26 17:22:04
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Grade 0048
Filter mat made from a mixture of cellulose and polyester. This mat is used for optically testing baby food (artificial milk) for textile fibers.

Grade 72
Composite cellulose/glass filter loaded with activated carbon. Used to absorb radioactive iodine in air pollution monitoring and in nuclear installations.

 
Grade 287 ½
Kieselguhr paper with a medium to slow flow rate. Additional adsorption effect, e.g., for the separation of very fine semi-colloidal turbidity, for clarifying milk serum, starch solutions, soil suspensions or sugar-containing solutions prior to polarimetry or refractometry. Available prepleated.

Grade 551
Black colored paper with a medium to slow flow rate. Provides contrast for the detection of very fine traces of white precipitates.
Grade 2555 ½ 
A medium fast filter paper. Used for the filtration of the mash for the determination of the extract in malt and wort and for removing carbon dioxide from beer.
Soil analysis filter papers
Grade 0790 ½ 
Acid-washed paper with ash content of approximately 0.01%, low magnesium, for the determination of trace elements (Mg, Mn, Co, Cu, Mo, B).
Grade 512 ½ 
Low phosphate papers approximately 1.5 ppm phosphate, for the filtration of calcium lactate extracts from soil samples for the determination of K and P according to Egnér, Riehm and Lederle. Available prepleated.
Sugar/food industry filter papers

Grade 3000, 3002 and 3459
Creped or smooth filter papers, Grades 3000, 3002 and 3459, have good retentivity at a relatively high filtration speed. They are used for the clarifying filtration of:

  • Dried beet pulp extracts
  • Beet juice after the addition of lead acetate for subsequent polarimetric sugar determination
  • Grade 3459 is specifically designed for the Venema unit (lead acetate method)
 
Typical Properties - Application Specific Filters
Grade Properties Filtration Speed
in Herzberg (s)		 Thickness (mm) Weight (g/m2)
Soil analysis filter papers
0790 ½ Low Mg and P 225 0.17 84
512 ½ Low phosphate 375 0.16 84

Sugar industry filter papers
3000 Fast, smooth 47.5 0.16 68
3002 Medium fast, smooth 75 0.14 60

Specially for the venema unit
3459 Fast, creped 55 0.30 75

Malt and beer filter
2555 ½ - 55 0.17 75

Food industry mat (cellulose/polyester)
0048 - - 0.86 130

Detection of contaminants
551 Colored black 425 0.2 95

Activated carbon loaded paper
72 - - 0.80 195

Kieselguhr paper
287 ½ - 330 0.36 161
 
 

Ordering Information - Application Specific Filters
Catalog Number Description
Grade 0048
10348903 Grade 0048 circles, 32 mm 1000/pk
Grade 72
1872-047 Grade 72 circles, 47 mm 100/pk
1872-060 Grade 72 circles, 60 mm 100/pk
Grade 287 ½
10310244 Grade 287 1/2 folded filters, 125 mm, 50/pk
10310245 Grade 287 1/2 folded filters, 150 mm 50/pk
10310247 Grade 287 1/2 folded filters, 185 mm 50/pk
Grade 512 ½
10310643 Grade 512 1/2 folded filters, 110 mm 100/pk
10310645 Grade 512 1/2 folded filters, 150 mm 100/pk
10310647 Grade 512 1/2 folded filters, 185 mm 100/pk
Grade 551
10310807 Grade 551 circles black, 55 mm 100/pk
10310808 Grade 551 circles black, 70 mm 100/pk
10310809 Grade 551 circles black, 90 mm 100/pk
10310810 Grade 551 circles black, 110 mm, 100/pk
Grade 0790 ½
10301645 Grade 0790 1/2 folded filters, 150 mm 100/pk
10301647 Grade 0790 1/2 folded filters, 185 mm 100/pk
Grade 2555 ½
10313947 Grade 2555 1/2 folded filters, 185 mm 100/pk
10313951 Grade 2555 1/2 folded filters, 240 mm 100/pk
10313953 Grade 2555 1/2 folded filters, 320 mm 100/pk
Grade 3000
10316114 Grade 3000 circles, 185 mm 1000/pk
10316116 Grade 3000 circles, 200 mm 1000/pk
Grade 3002
10316619 Grade 3459 circles, 230 mm 1000/pk
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