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Filter paper, quantitative
Circles, quantitative, red ribbon equivalent, grade 1015
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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
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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
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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
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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
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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
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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
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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
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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
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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
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Made from 100% cellulose.
Ash content 0,007%.
Filtration speed according to DIN 53137.
Capacity of separation according to DIN 53135.
Very fast, pore size 12 to 15 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