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High-purity, Qualitative Filter Papers

These paper grades are used for analytical purposes that require a low ash content.

Grades 292 and 292a are especially suitable for soil analyses because they are low in nitrogen. For phosphate or sodium determination, we recommend grades 131 and 132.

   

Choose your product

Products (82)

Qualitative Papers/ Grade 292 / ⌀ 320 mm Folded Filters

$107.00

100 Pieces
Grade
292
Retention Rate
5–8 µm
Filter Format
Folded
Filter Diameter
⌀ 320 mm
Qualitative Papers/ Grade 292 a / ⌀ 185 mm Folded Filters

$44.00

100 Pieces
Grade
292 a
Retention Rate
4–7 µm
Filter Format
Folded
Filter Diameter
⌀ 185 mm
Qualitative Papers/ Grade 292 / ⌀ 85 mm Filter Discs

$9.80

100 Pieces
Grade
292
Retention Rate
5–8 µm
Filter Format
Discs
Filter Diameter
⌀ 85 mm
Qualitative Papers/ Grade 292 / ⌀ 70 mm Filter Discs

$9.60

100 Pieces
Grade
292
Retention Rate
5–8 µm
Filter Format
Discs
Filter Diameter
⌀ 70 mm
Qualitative Papers/ Grade 292 / ⌀ 270 mm Folded Filters

$81.00

100 Pieces
Grade
292
Retention Rate
5–8 µm
Filter Format
Folded
Filter Diameter
⌀ 270 mm
Qualitative Papers/ Grade 292 / ⌀ 125 mm Filter Discs

$17.00

100 Pieces
Grade
292
Retention Rate
5–8 µm
Filter Format
Discs
Filter Diameter
⌀ 125 mm
Qualitative Papers/ Grade 292 a / 460 × 570 mm Sheets

$210.00

100 Pieces
Grade
292 a
Retention Rate
4–7 µm
Filter Format
Sheets
Dimensions
460 × 570 mm
Qualitative Papers/ Grade 292 / ⌀ 21 mm Filter Discs

$7.00

100 Pieces
Grade
292
Retention Rate
5–8 µm
Filter Format
Discs
Filter Diameter
⌀ 21 mm
Qualitative Papers/ Grade 132 / ⌀ 385 mm Filter Discs

$88.00

100 Pieces
Grade
132
Retention Rate
5–7 µm
Filter Format
Discs
Filter Diameter
⌀ 385 mm
Qualitative Papers/ Grade 292 / ⌀ 30 mm Filter Discs

$8.50

100 Pieces
Grade
292
Retention Rate
5–8 µm
Filter Format
Discs
Filter Diameter
⌀ 30 mm
Qualitative Papers/ Grade 292 / ⌀ 25 mm Filter Discs

$7.00

100 Pieces
Grade
292
Retention Rate
5–8 µm
Filter Format
Discs
Filter Diameter
⌀ 25 mm
Qualitative Papers/ Grade 292 / 120 x 120 mm Sheets

$19.00

100 Pieces
Grade
292
Retention Rate
5–8 µm
Filter Format
Sheets
Dimensions
120 × 120 mm
Qualitative Papers/ Grade 292 a / ⌀ 90 mm Filter Discs

$10.00

100 Pieces
Grade
292 a
Retention Rate
4–7 µm
Filter Format
Discs
Filter Diameter
⌀ 90 mm
Qualitative Papers/ Grade 292 a / ⌀ 320 mm Folded Filters

$81.00

100 Pieces
Grade
292 a
Retention Rate
4–7 µm
Filter Format
Folded
Filter Diameter
⌀ 320 mm
Qualitative Papers/ Grade 132 / ⌀ 70 mm Filter Discs

$10.00

100 Pieces
Grade
132
Retention Rate
5–7 µm
Filter Format
Discs
Filter Diameter
⌀ 70 mm
Qualitative Papers/ Grade 292 a / ⌀ 270 mm Folded Filters

$81.00

100 Pieces
Grade
292 a
Retention Rate
4–7 µm
Filter Format
Folded
Filter Diameter
⌀ 270 mm
Qualitative Papers/ Grade 292 / ⌀ 500 mm Filter Discs

$189.00

100 Pieces
Grade
292
Retention Rate
5–8 µm
Filter Format
Discs
Filter Diameter
⌀ 500 mm
Qualitative Papers/ Grade 292 / ⌀ 150 mm Folded Filters

$38.00

100 Pieces
Grade
292
Retention Rate
5–8 µm
Filter Format
Folded
Filter Diameter
⌀ 150 mm
Qualitative Papers/ Grade 132 / ⌀ 320 mm Filter Discs

$54.00

100 Pieces
Grade
132
Retention Rate
5–7 µm
Filter Format
Discs
Filter Diameter
⌀ 320 mm
Qualitative Papers/ Grade 132 / ⌀ 320 mm Folded Filters

$107.00

100 Pieces
Grade
132
Retention Rate
5–8 µm
Filter Format
Folded
Filter Diameter
⌀ 320 mm
Results per page: | |

Grade

Material

Weight (g/m²)

Thickness

(mm)

Wet
bursting
strength
(
kPa)

Ash
content

(%)

Particle
retention (µm)

Properties

131

Refined pulp and Linters

80

0.16

20

< 0.02

3 - 5

Narrow pored, slow rate of filtration, with a chloride content (hot extract) of < 0.006 %.

132

Refined pulp and Linters

80

0.17

20

< 0.02

5 - 8

Medium pored, medium-slow rate of filtration, with a chloride content (hot extract) of < 0.006 %.

292

Cotton Linters

87

0.18

5

< 0.06

5 - 8

Medium pored, medium-slow rate of filtration

292a

Cotton Linters

97

0.19

5

< 0.06

4 - 7

Medium to narrow pored, medium-slow rate of filtration

Brochure

Filter Papers for the Laboratory and Industry
en 6.4 MB
Papiers filtres pour les laboratoires et l’industrie
fr 2.4 MB
宣传手册:实验室过滤产品精简目录
zh 19.0 MB
Carte da filtro per il laboratorio e l’industria
it 2.4 MB

Catalog

Laboratory Filtration Products
en 8.2 MB