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

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

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

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

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

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

Ashless filters, recommended for quantitative analysis, routine gravimetric tests and sample preparation for instrumental analysis.

• Colour code black
• Rapid filtration
• 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

Ashless filters, recommended for quantitative analysis, routine gravimetric tests and sample preparation for instrumental analysis.

• Colour code white
• Medium rapid filtration
• 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

Ashless filters, recommended for quantitative analysis, routine gravimetric tests and sample preparation for instrumental analysis.

• Colour code blue
• Slow filtration
• 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

Ashless filters, recommended for quantitative analysis, routine gravimetric tests and sample preparation for instrumental analysis.

• Colour code yellow
• Medium rapid filtration
• 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