Compressors and piston pumps

Filter

 Circles, quantitative, red ribbon equivalent, grade 1015

LABSOLUTE®

The filter papers for quantitative analyses are made of 100 % cotton linters. For maximum purity the papers are acid-washed and cleaned with demineralized water. Ash content is 0.007 %.

Grade 1015, medium to slow filtering, particle retention 5-8 µm, filtration speed 50 s according to DIN 53137, basis weight 84 g/m², thickness 0.16 mm...

 Circles, quantitative, black ribbon equivalent, grade 1005

LABSOLUTE®

The filter papers for quantitative analyses are made of 100 % cotton linters. For maximum purity the papers are acid-washed and cleaned with demineralized water. Ash content is 0.007 %.

Grade 1005, fast filtering, particle retention 12-15 µm, filtration speed 10 s complies with DIN 53137, basis weight 84 g/m², thickness 0.18 mm...

 Circles, quantitative, white ribbon equivalent, grade 1010

LABSOLUTE®

The filter papers for quantitative analyses are made of 100 % cotton linters. For maximum purity the papers are acid-washed and cleaned with demineralized water. Ash content is 0.007 %.

Grade 1010, medium fast filtering, particle retention 8-12 µm, filtration speed 20 s according to DIN 53137, basis weight 84 g/m², thickness 0.17 mm...

 Circles, quantitative, blue ribbon equivalent, grade 1025

LABSOLUTE®

The filter papers for quantitative analyses are made of 100 % cotton linters. For maximum purity the papers are acid-washed and cleaned with demineralized water. Ash content is 0.007 %.

Grade 1025, very slow filtering, particle retention 2-3 µm, filtration speed 180 s according to DIN 53137, basis weight 84 g/m², thickness 0.14 mm...

 Circles, quantitative, green ribbon equivalent, grade 1020

LABSOLUTE®

The filter papers for quantitative analyses are made of 100 % cotton linters. For maximum purity the papers are acid-washed and cleaned with demineralized water. Ash content is 0.007 %.

Grade 1020, slow filtering, particle retention 3-5 µm, filtration speed 100 s according to DIN 53137, basis weight 84 g/m², thickness 0.15 mm...

 Circles, quantitativ, wet strengthened, grade 1110

LABSOLUTE®

The wet-strengthened filter papers exhibit a very high degree of mechanical stability. They are resistant against acidic and alkaline solutions and are suitable for pressure and vacuum filtration. They are made of 100 % cotton linters. For maximum purity the papers are acid-washed and cleaned with demineralized water. Ash content is 0.007 %....

 Circles, quantitativ, wet strengthened, grade 1105

LABSOLUTE®

The wet-strengthened filter papers exhibit a very high degree of mechanical stability. They are resistant against acidic and alkaline solutions and are suitable for pressure and vacuum filtration. They are made of 100 % cotton linters. For maximum purity the papers are acid-washed and cleaned with demineralized water. Ash content is 0.007 %....

 Circles, quantitativ, wet strengthened, grade 1125

LABSOLUTE®

The wet-strengthened filter papers exhibit a very high degree of mechanical stability. They are resistant against acidic and alkaline solutions and are suitable for pressure and vacuum filtration. They are made of 100 % cotton linters. For maximum purity the papers are acid-washed and cleaned with demineralized water. Ash content is 0.007 %....

 Quantitative filter papers, wet-strengthened, grade 1115, circles

LABSOLUTE®

The wet-strengthened filter papers exhibit a very high degree of mechanical stability. They are resistant against acidic and alkaline solutions and are suitable for pressure and vacuum filtration. They are made of 100 % cotton linters. For maximum purity the papers are acid-washed and cleaned with demineralized water. Ash content is 0.007 %....

 LLG-Quantitative filter paper, circles, very fast

LLG

Made from 100 % cellulose.
Filtration speed according to DIN 53137.
Capacity of separation according to DIN 53135.
Pore size 15 to 20 µm.

  • For coarse, high volume precipitates
  • Fordeterminations according to the German Standard Methods for the examination of water, waste water and sludge
  • ForFe(OH)2, Al(OH)3, NaSO4
  • Ashless, equivalent black ribbon
...

 LLG-Quantitative filter paper, circles, slow

LLG

Made from 100 % cellulose.
Filtration speed according to DIN 53137.
Capacity of separation according to DIN 53135.
Pore size 2 to 3 µm.

  • For very fine precipitates and small particles
  • For soil analysis
  • For BaSO4 (hot precipitate), PbSO4, Cu2O, ZnS, NiS
  • Ashless, equivalent blue tape
...

 LLG-Quantitative filter paper, circles, medium fast

LLG

Made from 100 % cellulose.
Filtration speed according to DIN 53137.
Capacity of separation according to DIN 53135.
Pore size 5 to 8µm.

  • For NH4MgPO4, CaC2O4, BaSO4
  • Ashless, equivalent red tape
...

 LLG-Quantitative filter paper, circles, fast

LLG

Made from 100 % cellulose.
Filtration speed according to DIN 53137.
Capacity of separation according to DIN 53135.
Pore size 20 to 25 µm.

  • Most frequently used quantitative filter
  • For PbS, Ag2S, FeS, carbonates
  • Ashless, equivalent white tape
...

 Filter paper, quantitative, Grade 388 - black spot, circles

Sartorius

Rapid filtration, coarse porosity....

 Quantitative filter paper, grade 40

Cytiva

Circles. Quantitative. Ashless....

 Quantitative filter paper, Grade 589/3, circles

Cytiva

Slow < 2 µm. Blue ribbon.

  • for very fine precipitates and small particles
  • for soil analysis
  • for BaSO4 (hot precipitate), PbSo4, Cu2O, ZnS, NiS
  • Weight: 84 g/m²
  • Thickness: 0.16 mm
...

 Quantitative filter paper, Grade 589/1, circles

Cytiva

Fast 12 to 25µm
Black ribbon

  • for coarse, high volume precipitates
  • for determinations according to the German Standard Methods for the examination of water, waste water and sludge.
  • most frequently used quantitative filter
  • Weight: 80g/m²
  • Thickness: 0.19mm
...

 Filter paper, grade 41, quantitative, circles

Cytiva

Ashless. For filtration of coarse and gelatinous precipitates....

 Filter paper, Grade 389, white spot, quantitative, circles

Sartorius

Medium speed filtration....

 Quantitative filter paper, type MN 640 w, circles

MACHEREY-NAGEL

Fast filtration, smooth, ashless....

 Quantitative filter paper, Grade 589/2

Cytiva

Medium fast, 4 to 12 µm. White ribbon.

  • for the analysis of foodstuffs
  • for carbonates of alkaline earth metals, (NH4)3[P(Mo3O10)4] x aq., Mg(NH4)PO4, CaC2O4 (hot precipitates)
  • Weight: 85g/m²
  • Thickness: 0.18mm
...

 Qualitative Filters 551, black, round filters

Hahnemühle

Recommended for the detection of very fine traces of light-coloured particles and precipitates.

  • Made of pure celluloses and with constriction of black additives
  • White and light-coloured particles can be detected easily by the strong contrast to the black filter paper
  • Weight 95 g/m2
  • Thickness 0,2 mm
  • Filtration speed acc. to Herzberg 850 s
...

 Filter paper, grade 42

Cytiva

Circles. Quantitative. Ashless. For filtration of fine precipitates....

 Quantitative filter paper, Grade 391 - blue spot, circles

Sartorius

Very slow filtration....

 Quantitative filter paper, type MN 640 m, circles

MACHEREY-NAGEL

Medium-fast, smooth, ashless....

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