Filter paper, quantitative

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

For fine precipitates (magnesium phosphate, ammonium phosphate, calcium oxalate, coarser flaked forms of barium sulphate).

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

For coarse, voluminous precipitates (e.g. iron, aluminium and chrome hydroxide).

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

For relatively coarse-flaked precipitates (lead, iron, silver sulphides, alkali metal carbonate, lead chromate, arsenic, antimony, cadmium, foodstuffs).

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

For difficult filtration requirements or very fine precipitates (e.g. barium sulphate, copper oxide, tin oxide).

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

For fine-grained precipitates (e.g. lead oxide, calcium fluoride, nickel sulphide, zinc sulphide).

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 %.


Grade 1110, 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, wet strengthened

For relatively coarse-flaked precipitates (lead, iron, silver sulphides, alkali metal carbonate, lead chromate, arsenic, antimony, cadmium, foodstuffs). Especially high mechanical strength and resistance to acids and alkalis.

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 %.


Grade 1105, fast filtering, particle retention 12-15 µm, filtration speed 10 s according to DIN 53137, basis weight 84 g/m², thickness 0.18 mm, wet strengthened

For coarse, voluminous precipitates (e.g. iron, aluminium and chrome hydroxide). Especially high mechanical strength and resistance to acids and alkalis.

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 %.


Grade 1125, very slow filtering, particle retention 2.5 µm, filtration speed 180 s according to DIN 53137, basis weight 84 g/m², thickness 0.15 mm, wet strengthened

For difficult filtration requirements or very fine precipitates (e.g. barium sulphate, copper oxide, tin oxide) Especially high mechanical strength and resistance to acids and alkalis.

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 %.


Grade 1115, medium to slow filtering, particle retention 5-8 µm, filtration speed 50 s complies with DIN 53137, basis weight 84 g/m², thickness 0.16 mm, wet strengthened

For fine precipitates (magnesium phosphate, ammonium phosphate, calcium oxalate, coarser flaked forms of barium sulphate). Especially high mechanical strength and resistance to acids and alkalis.

Prodotta in cellulosa 100%.
Contenuto di ceneri 0,007%.
Velocità di filtrazione secondo norme DIN 53137.
Capacità di separazione secondo norme DIN 53135.
Molto rapida,dimensione pori da 12 a 15 µm

• Per alto volume di precipitati grossolani
• Per determinazionisecondo i metodi standard tedeschi per esame delle acque, delle acque reflue e dei fanghi
• Per Fe(OH)₂, Al(OH)₃, NaSO₄
• Senza ceneri, equivalente fascia nera

Prodotta in cellulosa 100%.
Contenuto di ceneri 0,007%.
Velocità di filtrazione secondo norme DIN 53137.
Capacità di separazione secondo norme DIN 53135.
Lenta, dimensione pori da 2 a 3 µm.

• Per precipitati molto fini e piccole particelle.
• Per analisi del terreno
• Per BaSO₄ (precipitato caldo), PbSO₄, Cu₂O, ZnS, NiS
• Priva di ceneri, equivalente fascia blu

Prodotta in cellulosa 100%.
Contenuto di ceneri 0,007%.
Velocità di filtrazione secondo norme DIN 53137.
Capacità di separazione secondo norme DIN 53135.
Rapida, dimensione pori da 8 a 12 µm

• La carta da filtro quantitativa maggiormente utilizzata
• Per PbS, Ag₂S, FeS, carbonati
• Priva di ceneri, equivalente alla fascia bianca

Prodotta in cellulosa 100%.
Contenuto di ceneri 0,007%.
Velocità di filtrazione secondo norme DIN 53137.
Capacità di separazione secondo norme DIN 53135.
Medio rapida, dimensione pori da 5 a 8 µm.

• per NH₄MgPO₄, CaC2O₄, BaSO₄
• priva di ceneri, fascia rossa equivalente

Rotonde. Per analisi quantitativa. Senza ceneri.

Rotonde. Per analisi quantitativa. Senza ceneri. Per la filtrazione di precipitati grezzi e gelatinosi. In scatola da 100 pezzi

Semi-rapida, da 4 a 12 µm. Fascia bianca.

• per analisi in campo alimentare
• per carbonati di metalli alcalino-terrosi, (NH₄)₃(P(Mo₃O₁₀)4) x aq., Mg(NH₄)PO_4, CaC₂O₄ (precipitati caldi)
• Peso: 85 g/m2
• Spessore: 0.18 mm

Lenta < 2µm. Fascia blu.

• Per precipitati molto fini e piccole particelle.
• Per analisi del terreno
• Per BaSO₄ (precipitato caldo), PbSO₄, Cu₂O, ZnS, NiS
• Peso: 84 g/m²
• Spessore: 0.16 mm

Rapida da 12 a 25 µm
Fascia nera

• Per precipitati grossolani, ad alto volume
• Per la determinazione secondo i metodi standard tedeschi per l"esame delle acque, delle acque reflue e dei fanghi.
• Filtro quantitativo utilizzato più di frequente
• Peso: 80g / m²
• Spessore: 0,19 mm

Rapida, liscia, priva di cenere.

Filtri privi di ceneri (circa 0.004%), consigliati per analisi quantitativa, test gravimetrici di routine e preparazione dei campioni per analisi strumentale.

• Lavata con acido e sciacquata con acqua per neutralizzare
• Priva di minerali e ioni metallici, ideale per la rilevazione di ioni metallici
• Per applicazioni analitiche, procedure quantitative e/o gravimetriche di routine
• Queste carte da filtro sono perfettamente qualificate per il controllo degli alimenti, l"analisi delle bevande e il monitoraggio ambientale

Rotonda. Quantitativa. Senza ceneri. Per la filtrazione di precipitati fini.

Medio-rapida, liscia, priva di cenere.

Raccomandati per la rilevazione di tracce finissime di particelle di colore chiaro e di precipitati.

• In pura cellulosa e con la costrizione di additivi neri
• Particelle bianche e di colore chiaro possono essere facilmente rilevate grazie al forte contrasto con la carta da filtro nera
• Peso 95 g/m²
• Spessore 0,2 mm
• Velocità di filtrazione secondo Herzberg 850 s