Filter paper 595, qualitative, folded filters
Highly pure filter paper (approx. 0.08% ash) recommended for precise identification of materials and for sample preparation prior to sensitive detection methods. These filter papers are perfectly qualified for food control according to LFBG paragraph 64 para. 1 and 2, beverage analysis and environmental monitoring....
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
Fibre Filters with inorganic binder
Recommended filters for environmental analysis and controlling both air and water pollution.
- Made of 100 % borosilicate glass fibres with binders
- Glass fibre filters capture fine particles down to 1 µm from liquids, in air, gases and aerosols with even 0.3 to 0.5 µm being absorbed
- Extremely low content in alkali-earth metals
- Chemical stability: It keeps all its properties in contact with acid solutions (except hydrofluoric acid) and basic solutions at moderate concentrations
- Stabile at temperatures up to 500 °C
- Gravimetrical analysis of organic and inorganic impurities in water and waste water according to DIN 38409 and EN 872 (suspended particles)
- Measurement of immission, measurement of dust in air and gases, monitoring of the efficiency of filtration and dedusting, monitoring the combustion air of power plants and of the steel and iron industry
- Measurement of dust release in workplace and production processes and the purification of compartment air
- Measurement of scintillation
Glass fibre filters without binder
Recommended filters for controlling both air and water pollution.
- Made of 100 % borosilicate glass fibres without binders
- Extremely low content in alkali-earth metals
- Chemical stability: It keeps all its properties in contact with acid solutions (except hydrofluoric acid) and basic solutions at moderate concentrations
- Usable as a pre-filter for membranes to prevent the membranes from silting up
- Deposition of (radioactive) aerosols and monitoring of nuclear power plants
- Gravimetrical analysis of organic and inorganic impurities in water and waste water according to DIN 38409 and EN 872 (suspended particles)
- Measurement of immission, measurement of dust in air and gases, monitoring of the efficiency of filtration and dedusting, monitoring the combustion air of power plants and of the steel and iron industry
- Measurement of dust release in workplace and production processes and the purification of compartment air
- Stability at high temperatures: It keeps its properties up to 500 °C
- High flow speed and high permeability to air
Extraction Thimbles, cellulose
For reliable and fast analysis in the areas of food control and environmental monitoring. Suitable for Soxhlet-type, Tecator-type or similar devices, to extract certain components out of solid material with an appropriate solvent.
- Made of pure cellulose that is totally free from binding elements
- High purity of selected cellulose guarantees reliable and replicable results
- The consistent high porosity ensures fast flow through
- High fitting accuracy for all available extraction systems
- Wall thickness 1.3 mm at thimbles with ≤35 mm inner diameter, 1.7 mm at thimbles with >35 mm inner diameter
- For two systems
- Grade 900: Soxhlet Extraction, Grade 901: Tecator Extraction
Antibiotic test papers
Recommended for identification of pathogens of infectious diseases by determination of the degree of resistance against antibiotics
- Made from ultrapure raw materials, entirely without additives to ensure that no inhibition will occur during the incubation
- Consistent thickness and absorption volume
- Available as small circles, even individually printed on one or both sides
- Meet the directive for carriers for active agents acc. to DIN 58940-2
- Further sizes on request
Blotting paper
Recommended for blotting techniques with gels, like Southern, Northern and Western Blots, even Semidry-Blots of proteins
- Made from ultrapure cotton linters and cellulose, entirely without additives to ensure that no contamination will occur during the transfer steps
- Tested specifically for chromatographic and blotting techniques to ensure high and uniform capillary actions
- High wet strength for safe handling
Chromatography Paper
Recommended for chromatographic analysis and preparations.
- Made from pure linters with an α-cellulose content of > 98%
- High-performance resolution and wet strength
- The fibres are oriented in predominantly one direction
- Thicker papers allow higher sample volumes
- Lower capillary rises offer higher resolutions
Extraction thimbles, Borosilicate glass
Recommended for Soxhlet extraction with solvents, which are incompatible with cellulose fibres and for filtration of air and gas streams.
- Made of 100 % pure borosilicate fibres, without binding elements
- High loading capacity and highly permeable to air
- Thickness is 1.5 mm (diameter < 33 mm)
- High retention of small particles, > 99 % according to BS 4400
- Good stability at high temperatures up to 500 °C
- Recommended for hot, moist, and acidic gases
- Gravimetric determination of particles in hot gases
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
Filter papers 593, qualitative, folded filters
Highly pure filter paper (approx. 0.08% ash) recommended for precise identification of materials and for sample preparation prior to sensitive detection methods. These filter papers are perfectly qualified for food control according to LFBG paragraph 64 para. 1 and 2, beverage analysis and environmental monitoring....
Filter paper 597, qualitative, folded filters
Highly pure filter paper (approx. 0.08% ash) recommended for precise identification of materials and for sample preparation prior to sensitive detection methods. These filter papers are perfectly qualified for food control according to LFBG paragraph 64 para. 1 and 2, beverage analysis and environmental monitoring....
Germ Testing Papers
For carrying out germ resistance tests. All papers are made from high-purity cellulose and are free of spores, bacteria and toxic substances that could influence the germination of the seeds. The highly absorbent papers store water for the entire duration of the tests. All germ test papers meet the requirements of ISTA and AOSA....
Qualitative Activated carbon filters, 508, round filters
Recommended for the seperation of very fine semi-colloidal turbidities.
- Weight 196 g/m2
- High adsorption rate
- Minimum content of activated carbon 35 %
- Filtration speed acc. to Herzberg 360 s
- Thickness 0.52 mm
Qualitative Quartz microfibre filters, QFH, round filters
Recommended filters for atmospheric pollution control and for particles determination at high temperatures.
- Filters made of pure quartz microfibre (SiO2), free of binding elements or additives
- Extremely low content in alkali-earth metals
- Determination of suspended particles (SPM and TSP) in ambient air acc. to the directive of the US EPA (Environmental Protection Agency) and the EN 23210
- Retention: Excellent retention of very fine particles through the adsorption mechanisms of quartz fibres
- Chemical stability: excellent stability with hardly any loss of filter-material due to chemical reactions under extreme conditions with acid gases (HCl, SO2, SO3, H2SO4, NO and NO3)
- Resistance to chemical reagents: excellent resistance to solvents, acids (except HF) and alkaline substances
- Stability at high temperatures: higher resistance than glass microfiber, up to 1000 °C
- Weight: 85 g/m2
- Thickness: 0.45 mm
Glass fibre filters GF10 with organic binder
Recommended filters for environmental analysis and controlling both air and water pollution.
- Made of 100 % borosilicate glass fibres with binders
- Extremely low content in alkali-earth metals
- Chemical stability: It keeps all its properties in contact with acid solutions (except hydrofluoric acid) and basic solutions at moderate concentrations
- Measurement of dust release in workplace and production processes and the purification of compartment air
- Stable up to 180 °C for GF 10
- High flow speed and high permeability to air
- Suitable as filter belt measuring instruments and automats for air filtration and analysis
- Separation of soot, oil mist and suspended particles
Disposable mouth and nose cover, HaMuNa® Care
The disposable mouth and nose cover is gentle to the skin and can be used anywhere, e.g. on public transport, in supermarkets, waiting rooms and public buildings. It is designed for short-term and singular use and can be disposed of in an environmentally friendly manner in wastepaper after use. The comfortable to wear protection can be flexibly adapted to the shape of the head through perforations on the wings....
Filter Paper 595, qualitative, round filters
Highly pure filter paper (approx. 0.08% ash) recommended for precise identification of materials and for sample preparation prior to sensitive detection methods. These filter papers are perfectly qualified for food control according to LFBG paragraph 64 para. 1 and 2, beverage analysis and environmental monitoring....
Kieselguhr Filter Paper 287, round filters
Recommended for filtration of the finest semi-colloidal turbidities.
- For separation of very fine semi-colloidal turbidity
- Clarification of extracts of soil suspensions, of milk serum, of starch solutions and sugar-containing solutions prior to polarimetry and refractometry
- For retention of protein precipitates and slime particles from solutions
- Clarification of urine samples
Filter Paper 400, for clarification, round filters
Recommended for identification of substances, clarification of liquids and for the preparation of samples in a broad range of chemical analysis.
- Creped filter papers have a particularly large surface area and correspondingly shorter filtration times
- For quick separation of large particles
- For reliable clarification of viscous liquids
Filter Paper 593, qualitative, round filters
Highly pure filter paper (approx. 0.08% ash) recommended for precise identification of materials and for sample preparation prior to sensitive detection methods. These filter papers are perfectly qualified for food control according to LFBG paragraph 64 para. 1 and 2, beverage analysis and environmental monitoring....