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BRAND Dispensette S Trace Analysis Bottletop Dispensers

from BrandTech Scientific, Inc.

BRAND* Dispensette S Trace Analysis Bottletop Dispensers from BrandTech Scientific, Inc. 4640040 4640041 4640240 4640241

For dispensing high-purity chemicals.

  • The Dispensette S Trace Analysis provides outstanding performance for precise-volume dispensing of high-purity media for trace analysis.
  • - The Dispensette S Trace Analysis is also suitable for dispensing HF (Pt-Ir model).
  • - The components of the fluid path have been selected to only contain the highest purity materials, such as fluoroplastics and sapphire.
  • - Depending on application, either platinum-iridium (Pt-Ir) or tantalum (Ta) valve springs can be chosen.
  • - The volume range is from 1 to 10mL.
  • Especially well-suited for dispensing acids, bases and hydrogen peroxide (Tantalum (Ta) models only).
  • Trace metal content of dispensed liquid is generally in the low ppb range or, depending on application, even in the low ppt range.

Dispensing of high-purity chemicals in trace analysis.

  • Plastics in contact with media consist of high-purity materials such as PTFE, ETFE, PCTFE, FEP and PFA.
  • - The purest sapphire is used for replaceable valves.
  • - Depending on the application, platinum-iridium or tantalum are available as spring materials.
  • A field-tested cleaning process before use in trace analysis is described in the operating manual.
  • Easy to disassemble for replacement of the dispensing cartridge.
  • The high-purity materials release virtually no metal ions after appropriate cleaning.
  • - This makes the Dispensette S Trace Analysis bottletop dispenser a superior choice for trace analysis.

Replaceable dispensing cartridge.

  • If the piston seal is worn after a long period of use, the entire dispensing cartridge can easily be replaced without tools by the user.
  • The cartridge is fully adjusted at the factory and delivered with a performance certificate.
  • - No calibration is required after replacement.

Serial dispensing.

  • For easy serial dispensing, an optional flexible discharge tube with textured safety handle (not approved for HF) permits fast and precise dispensing, even into narrow test tubes.
  • - Integrated recirculation valve helps purge bubbles before dispensing.

Operating limitations (all instruments).

  • Liquids which form deposits may make the piston difficult to move or may cause jamming (e.g., crystallizing solutions or concentrated alkaline solutions).
  • When dispensing inflammable media, make sure to avoid the buildup of static charge, (e.g., do not dispense into plastic vessels; do not wipe instruments with a dry cloth).
  • The Dispensette is designed for general laboratory applications and complies with the relevant standards, e.g., DIN EN ISO 8655. Compatibility of the instrument for a specific application (e.g., trace material analysis, food sector, etc.) must be checked by the user.
  • - Approvals for specific applications, (e.g., for production and administration of food, pharmaceuticals and cosmetics) are not available.

Limitations of use.

  • This instrument is designed for dispensing liquids, observing the following physical limits:
  • - Use between +15°C and +40°C (59°F and 104°F) of instrument and reagent.
  • - Vapor pressure up to max. 600mbar. Aspirate slowly above 300mbar, in order to prevent the liquid from boiling.
  • - Kinematic viscosity up to 500mm2/s (dynamic viscosity [mPas] = kinematic viscosity [mm2/s] x density [g/cm3]).
  • - Density: Dispensette S Trace Analysis up to 3.8g/cm3.

Items supplied Dispensette S Trace Analysis includes:

  • Certificate of performance.
  • Discharge tube.
  • Valve mounting/calibration tool.
  • Adapters and filling tube.
  • Operating manual.
  • One-year warranty.

Operating exclusions - Dispensette S Trace Analysis.

  • Never use the Dispensette S Trace Analysis with:
  • - Liquids attacking Al2O3 sapphire or fluoroplastics like ETFE, FEP, PFA, PCTFE, PTFA and PTFE (e.g., dissolved sodium azide*).
  • - Liquids which are decomposed catalytically by platinum-iridium (e.g., H2O2) or tantalum, depending on the construction of the instrument.
  • - Organic solvents.
  • - Trifluoroacetic acid.
  • - Explosive liquids (e.g., carbon disulfide).
  • - Suspensions (e.g., of charcoal) as solid particles may clog or damage the instrument.
  • - The Dispensette S Trace Analysis must not be autoclaved.

PRODUCT TECHNICAL DATA SHEET

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$856.70PreOrder
Product description:BRAND dispensette S trace analysis bottletop dispenser, analog-adjustable, without recirculation valve, platinum-iridium, 1-10 millilitreBrandTech Sci IncBRANDBrandTech BRAND 4640040 Dispensette S Trace Analysis Bottletop Dispenser logoMPN: 4640040 SKU:4640040 Model:4640040
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