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- General laboratory consumables
- Occupational safety, Security
- Analytical measurement and testing
- Stirring, Shaking, Mixing
- Sample preparation
- Distillation, separation, filtration
- Heating and cooling technology
- Liquid Handling
- Vacuum technology, Drying, Dry storage
- Optical instruments and microscopes
- Cleaning and sterilisation
- Environmental-, soil-, water-, food analysis
- Chromatography
- Cleanroom
Filter paper, quantitative
Circles, quantitative, red ribbon equivalent, grade 1015
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
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
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
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
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
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
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
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
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
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
LLG-Quantitative filter paper, circles
Made from 100% cellulose.
Ash content 0,007%.
Filtration speed according to DIN 53137.
Capacity of separation according to DIN 53135.
Slow, 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
Made from 100% cellulose.
Ash content 0,007%.
Filtration speed according to DIN 53137.
Capacity of separation according to DIN 53135.
Fast, pore size 8 to 12µm.
- most frequently used quantitative filter
- for PbS, Ag2S, FeS, carbonates
- ashless, equivalent white tape
LLG-Quantitative filter paper, circles
Made from 100% cellulose.
Ash content 0,007%.
Filtration speed according to DIN 53137.
Capacity of separation according to DIN 53135.
Medium fast, pore size 5 to 8µm.
- for NH4MgPO4, CaC2O4, BaSO4
- ashless, equivalent red tape
Quantitative filter paper, Grade 589/1, circles
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, quantitative, round filters
Ashless filters (approx. 0.004%), recommended for quantitative analysis, routine gravimetric tests and sample preparation for instrumental analysis.
- Acid-washed and rinsed with water to neutralise
- Free of minerals and metallic ions, ideal for the detection of metallic ions
- For analytical applications, routine quantitative and /or gravimetric procedures
- These filter papers are perfectly qualified for food control, beverage analysis and environmental monitoring
Printer for balances and moisture analysers
Data Printer, with GLP- and GMP-function for all Sartorius balances and moisture analysers. With alphanumeric dot-matrix printing unit (safety printing unit with 5x8 matrix) as well as the ASCII character set and application-specific special characters, for the documentation of weighing data. Membrane keyboard for easy and safe operation....
Qualitative Filters 551, black, round filters
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