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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, qualitative
Syringe filter CHROMAFIL®, Polytetrafluoroethylene (PTFE)
CHROMAFIL
® syringe filters are used for filtration of suspended matter from liquid samples. HPLC-Certification available on the internet
Polypropylene housing
Better solvent stability compared to acrylate and polystyrene filters
Shells ultrasonically sealed, not glued...
Syringeless filters SEPARA
SEPARA integrates in one single device auto-sampler vial, filtration membrane, plunger, and cap/septa. The single step filtering process is efficient and saves time. Fast and simple to use. Reducing sample loss. After filtration the sample is ready to use in most standard autosampler. The pre-slit cap ensures easy and clean transfer of sample. 5 different septa material, PP vial with Ø 12 x 33 mm, Filtering capacity 0.48 ml, dead volume <30 µl, maximum operating temperature 50 °C...
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....
Qualitative filter paper, Grade 2294, circles
Thick filter card. Fast.
For technical application which range from the filtration of beverages to the purification of electroplating baths.
- Material: Cellulose
- High wet strength
- High flow rate
- Retains medium to coarse particles
- Particle retention from 8 to 15 µm
- Filtration speed 27.5 sec.
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....
Filter Paper 597, 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....
Filter Paper 598, 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....
Filter paper 602h / 602eh, 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 604, 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 602h / 602eh, 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....
Filter Paper 604, 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....
Filter Paper, for clarification, folded 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, for clarification, sheets
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
Glass Microfiber Filters with Binder, Grade GF 10
These glass microfiber filters are made from borosilicate glass and strengthened with an organic binder to provide high mechanical stability.
- Temperature resistance up to 180 °C
- Medium filtration speed
- Can be used as a roll filter in automated applications
Filter paper, qualitative, sheets
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, qualitative, wet strength, folded filters
Hardened highly pure filter papers (approx. 0.05%) with extremely high chemical and mechanical resistance, especially recommended for vacuum and pressure filtration, and for the use of acidic and alkaline solutions.
- High wet strength, easy to scrape off or wash off precipitates, no fibre release
- High resistance to aggressive chemical components, like sulphuric and nitric acids (up to 40 % at 50 °C) and alkalis (up to 10 % at 20 °C).
Filter paper, qualitative, wet-strength, round filters
Hardened highly pure filter papers (approx. 0.05%) with extremely high chemical and mechanical resistance, especially recommended for vacuum and pressure filtration, and for the use of acidic and alkaline solutions.
- High wet strength, easy to scrape off or wash off precipitates, no fibre release
- High resistance to aggressive chemical components, like sulphuric and nitric acids (up to 40 % at 50 °C) and alkalis (up to 10 % at 20 °C).
Filter Paper, technical, folded filters
Recommended for preparation of ordinary samples. Clarification of alcohols, essences, vinegar, essential oils, extracts, electroplating baths, flotation sludge, gelatin, glycerol, paints, lacquers, hair tonics, perfumes, tinctures, beer wort, spirits, syrups, salt solutions....
Filter papers 1574, qualitative, wet-strength, sheets
Hardened highly pure filter papers (approx. 0.05%) with extremely high chemical and mechanical resistance, especially recommended for vacuum and pressure filtration, and for the use of acidic and alkaline solutions.
- High wet strength; easy to scrape off or wash off the precipitates, no fibre release
- High resistance to aggressive chemical components, like sulphuric and nitric acids (up to 40% at 50° Celsius) and alkalis (up to 10% at 20° Celsius) and alkalis (up to 10% at 20° Celsius)
Glass microfibre filters, grade GF 6, circles
Glass microfibre filters have a fast filtration and a high loading capacity and particle retention rate. Manufactured without chemical binder from high grade borosilicate glass. (Exception: GF6, GF9). They are suitable for gravity or low suction filtration. Filtration speeds generally very much higher than conventional cellulose papers. Efficient retention of micron size particles. Must be used flat. Ideal for use in flat perforated plate Buchner type funnels (not sintered glass models). Can be used up to 500°C...
Filter Papers, Grade 54, quantitative, round sheet
- Acid treated for high wet-strength and chemical resistance
- Large nominal particle retention rating of 22 µm
- Fast filtration speed (Herzberg filtration speed 39 s)
- High purity (0.015 % ash maximum)
- Compatible with Büchner funnel or Hirsch funnel applications
Filter Papers, Grade 541, quantitative, round sheets
- High wet-strength
- High chemical resistance to strong acid and alkali suspensions
- Retention of gelatinous precipitate
- 22 µm nominal particle retention rating
- Fast flow rate (Herzberg filtration speed 34 s)
- Maximum of 0.006 % ash concentration
MF-Millipore™ membrane, mixed cellulose ester, black
MF-Millipore™ Membranes have a biologically inert mixture of cellulose acetate and cellulose nitrate. The MF-Millipore™ filters without Triton® surfactant have a lower water extractable content compared to the standard MF-Millipore™ filters and contain a minimal amount of wetting agent.
Features & Benefits:...
Membrane filters type 113, cellulose nitrate, sterile
White, individually sterile packed. Very low content of extractable materials. Weight constant after 60 minutes of drying at 105 °C. Suitable for residue analysis, microscopic viewing in incident or transmitted light, chemotaxis, x-ray fluorescence, spectrometry and gravimetric analysis. Autoclavable at 121 °C. Other pore sizes and formats are available on request....