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Article 1 - 24 from 1016
Graduated pipettes, total delivery, AR-glas®, class AS, blue graduation, type 2 | Nominal capacity: 20 ml
 
Graduated pipettes, total delivery, AR-glas®, class AS, blue graduation, type 2
Accuracy class: AS | Colour graduation: Blue | Division: 0.1 ml | Length: 360 mm | Manufacturer Article Number: 27824 VE | Material: Soda-lime glass | Nominal capacity: 20 ml | Tolerance: 0,1 ±·ml | Type of measuring pipettes: Type 2 | UNSPSC: 41121510 | With cotton plug end: Yes
All Blaubrand® graduated pipettes are supplied with batch number and one batch certificate per manufacturer's outer pack. Also available with individual works or DKD calibration certificate on request. Type 2 (nominal volume at top)DIN EN ISO 835DE-M markingMarks and inscriptions in high contrast blue enamelCalibrated to deliver (TD, EX)Waiting time 5 seconds
€90.00*
Volumetric flasks, borosilicate glass 3.3, class A, blue graduated, with PE stoppers, coated
 
Volumetric flasks, borosilicate glass 3.3, class A, blue graduated, with PE stoppers, coated
Accuracy class: A | Colour: Clear | Ground size: NS10/19 | Manufacturer Article Number: 013.01.005C | Material: Boro 3.3 | Material closure: PE | Nominal capacity: 5 ml | Standard: DIN EN ISO 1042 | Type of closure: Stopper | UNSPSC: 41121804
The flasks are coated with a special formulated coating that holds the broken parts together in case of breakage. The transparent coating can resist up to 135°C with maximum period of 30 minutes. Coated flasks should not be exposed directly to open flame.Conformity certified, with batch certificateDIN EN ISO 1042Calibrated to contain (IN)
From €63.02*
Variations
30%
Volumetric trapezoidal flasks, boro 3.3, class A, blue graduations
 
Volumetric trapezoidal flasks, boro 3.3, class A, blue graduations
Accuracy class: A | Ground size: NS7/16 | Manufacturer Article Number: 36401 | Material: Boro 3.3 | Material closure: PP | Nominal capacity: 1 ml | Standard: DIN EN ISO 1042 | Tolerance: ±0.025 ml | Type of closure: Stopper | UNSPSC: 41121804
All Blaubrand® volumetric flasks are delivered with batch number and one batch certificate included per pack. Also available with individual works or DAkkS calibration certificate, please enquire.DIN EN ISO 1042DE-M markingGraduations and inscriptions in highly contrasting blue enamelCalibrated to contain (IN)With PP stoppers
€31.22* €44.60* (30% saved)
Acura® manual 825 Micro pipette
 
Acura® manual 825 Micro pipette
Accuracy: 2,0 ± R% | Autoclavable: Yes | Capacity: 0.1 ... 2 µl | Division: 0.002 µl | For tips: 10 µl | Manufacturer Article Number: 825.0002 | Max. capacity: 2 µl | Min. capacity: 0.1 µl | No. of channels: 1 | Precision: 1,5 ≤·VK% | UNSPSC: 41121504 | Variable: Yes | Warranty: 3 years
Available with fixed or adjustable volume.Fast volume adjustmentHighly visible displayJustip™ adjustable tip ejection, patentedSwift-set calibration system, patentedShock and UV-light resistanceAutoclavableThree years warranty
Variants from €293.70*
€312.95*
45%
Electronic single channel mikroliter pipettes Finnpipette™ Novus
 
Electronic single channel mikroliter pipettes Finnpipette™ Novus
Description: Finnpipette™ Novus GLP Kit 4 | Manufacturer Article Number: 4701130
includes everything you need for "Good Laboratory pipetting"!Ergonomic pipettesConvenient pipette standsCompatible Thermo Scientific Finntip Flex tipsDisposable reservoirs + Finntip Sample PackF-series pen + product brochureGood Laboratory Pipetting GuideElectronic pipetteIndex-Finger OperationIntuitive ProgrammingMultilingual user interface2 year warranty with web registrationFinnpipette™ Novus GLP Kit 1: incl. 10-100/100-1000µl pipette, 2x Novus standFinnpipette™ Novus GLP Kit 2: incl. 100-1000/500-5000µl pipettes, 2x Novus standFinnpipette™ Novus GLP Kit 3: incl. 1-10/10-100/100-1000µl pipettes, 3x Novus standFinnpipette™ Novus GLP Kit 4: incl. 10-100µl/100-1000µl/1-10ml pipettes, 3x Novus stand
€847.00* €1,540.00* (45% saved)
Finnpipette™ F1 GLP Kit
 
Finnpipette™ F1 GLP Kit
Description: F1 GLP Kit 1 | Manufacturer Article Number: 4700850N
includes everything you need for "Good Laboratory pipetting"!Ergonomic pipettesConvenient pipette standsCompatible Thermo Scientific Finntip Flex tipsDisposable reservoirs + Finntip Sample PackF-series pen + product brochureGood Laboratory Pipetting GuideThermo Scientific Finnpipette™ F1 GLP kits include the Finnpipette™ F1 and everything you need for first class pipetting. All Finnpipette™ F1 GLP kits are a complete system for pipetting and offer all the advantages of a F1 pipette, including an adjustable fingertip for maximum ease of use, adjustable volume adjustment and an antimicrobial surface.Finnpipette™ F1 GLP Kit 1: incl. 1-10 / 10-100 / 100-1000 µl pipettes, 1x pipette standFinnpipette™ F1 GLP Kit 2: incl. 0.2-2 / 2-20 / 20-200 / 100-1000 µl pipettes, 1x pipette standFinnpipette™ F1 GLP Kit 3: incl. 10-100 µl / 100-1000 µl / 1-10 ml pipettes, 1x pipette standFinnpipette™ F1 GLP Kit 4: incl. 2-20 / 20-200 / 100-1000 µl pipettes, 1x pipette stand
€850.00*
Single channel microliter pipettes Finnpipette™ F2 GLP Kit
 
Single channel microliter pipettes Finnpipette™ F2 GLP Kit
Description: Finnpipette™ F2 GLP Kit 1 | Manufacturer Article Number: 4700870
includes everything you need for "Good Laboratory pipetting"!Ergonomic pipettesConvenient pipette standsCompatible Thermo Scientific Finntip Flex tipsDisposable reservoirs + Finntip Sample PackF-series pen + product brochureGood Laboratory Pipetting GuideLight and ultra comfortable pipettingImproved accuracy and precisionFully autoclavable5 year warranty with web registrationFinnpipette™ F2 GLP Kit 1: incl. 1-10/10-100/100-1000 µl pipettes, 1 F-Series standFinnpipette™ F2 GLP Kit 2: incl. 0.2-2/2-20/20-200/100-1000 µl pipettes, 1 F-Series standFinnpipette™ F2 GLP Kit 3: incl. 10-100 µl/100-1000 µl/1-10 ml pipettes, 1 F-Series standFinnpipette™ F2 GLP Kit 4: incl. 2-20/20-200/100-1000 µl pipettes, 1 F-Series stand
€805.00*
Adapters for PD tips | Sterile: No
 
Adapters for PD tips
Manufacturer Article Number: 702398 | Material: PP | Sterile: No
Adapters for 25ml and 50ml PD tips.
€23.87*
Pipette tips, racked in TipBox, PP, non-sterile
 
Pipette tips, racked in TipBox, PP, non-sterile
ATP-free: Yes | Autoclavable: Yes | Capacity: 50 ... 1,250 µl | Colour: Colourless | Endotoxin free: Yes | Length: 86 mm | Low retention: No | Manufacturer Article Number: 732214 | Material: PP | Max. capacity: 1250 µl | Min. capacity: 50 µl | Package: 5 x Rack à 96 | Pyrogen free: Yes | RNase/DNase-free: Yes | Sterile: No | UNSPSC: 41121600 | With graduation: Yes
Pipette tips and filter tips are manufactured under monitored cleanroom conditions and are automatically packaged. No parting agents or demolding aids are used. Palletised tips and filter tips up to 1250 μl are free of DNA, DNAse, RNase, endotoxins and ATP.With hinged lid/ snap-on lid (simply rotate by 180°) Working with multi-channel pipettes that are not fully loadedStackableRaw materials are free from DiHEMDA und OleamidThey are tested for BRAND pipettes and many pipettes from other manufacturersAutoclavable at 121 °C (2 bar), acc. DIN EN 285
Variants from €35.40*
€64.80*
31%
Volumetric pipettes, class AS, AR-glass®, 1 marking, blue graduation
 
Volumetric pipettes, class AS, AR-glass®, 1 marking, blue graduation
Accuracy class: AS | Colour graduation: Blue | Length: 330 mm | Manufacturer Article Number: 29705 | Material: Soda-lime glass | Nominal capacity: 3 ml | Tolerance: 0,010 ±·ml | UNSPSC: 41121510
All Blaubrand® volumetric pipettes are supplied with batch number and one batch certificate per manufacturer's outer pack (up to 2ml: 12 cylinders, above 2.5ml: 6 cylinders per pack). Also available with individual certificate or DAkkS (former DKD) calibration certificate, please enquire.DIN EN ISO 648DE-M markingGraduations and inscriptions in highly contrasting blue enamelCalibrated to deliver (EX)
Variants from €4.82*
From €7.13*
Variations
Dispenser tips, PD-Tips II | Nominal capacity: 0.10 ml
 
Dispenser tips, PD-Tips II
Manufacturer Article Number: 705700 | Material cylinder: PP | Nominal capacity: 0.10 ml | Package: Bulk pack | Sterile: No
Thanks to patented size coding, HandyStep® touch, HandyStep® touch S, HandyStep® electronic, Gilson® Repetman® and Rainin AutoRep™ E automatically detect the tip volume. The tips are also compatible with all other instruments of the HandyStep® family and with repetitive pipettes from other manufacturers.Cylinder: PP / piston: HDPE, 0.1 ml piston: LCPComply with the requirements of ISO 8655Supplied with batch certificateAdapter for sizes 25 ml and 50 ml includedPD-Tips II cannot be autoclaved; the adapters are autoclavable
Variants from €24.30*
€89.20*
30%
Measuring cylinders, borosilicate glass 3.3, tall form, class A, blue graduated
 
Measuring cylinders, borosilicate glass 3.3, tall form, class A, blue graduated
Colour graduation: Blue | Division: 0.1 ml | Height: 115 mm | Manufacturer Article Number: 32105 | Material: Boro 3.3 | Nominal capacity: 5 ml | Shape (Weighing bottles, Measuring/Mixing cylinders, Crucibles): Tall | Standard: DIN EN ISO 4788 | Tolerance: 0.05 ml | UNSPSC: 41121805 | With spout: Yes
With spout, tall form. Blaubrand®. To DIN EN ISO 4788.DE-M marking with works certified batch number. With spout and hexagonal foot. Graduations and inscriptions in highly contrasting blue enamel. Calibrated to contain (IN). All Blaubrand® cylinders are delivered with batch number and batch certificate. Also available with individual works, USP, or DAkkS (former DKD) calibration certificate on request. The batch certificate is also available to download from the manufacturer's website.
From €11.06*
Variations
Dispenser tips, PD-Tips II, BIO-CERT®
 
Dispenser tips, PD-Tips II, BIO-CERT®
ATP-free: Yes | Endotoxin free: Yes | Manufacturer Article Number: 705730 | Material cylinder: PP | Nominal capacity: 0.10 ml | Package: Single packed | Pyrogen free: Yes | RNase/DNase-free: Yes | Sterile: Yes
Thanks to patented size coding, HandyStep® touch, HandyStep® touch S, HandyStep® electronic, Gilson® Repetman® and Rainin AutoRep™ E automatically detect the tip volume. The tips are also compatible with all other instruments of the HandyStep® family and with repetitive pipettes from other manufacturers.Cylinder: PP / piston: HDPE, 0.1 ml piston: LCPFree of human DNA, RNase, DNase, Pyrogens, PCR-Inhibitors and ATPComply with the requirements of ISO 8655Supplied with batch certificateAdapter for sizes 25 ml and 50 ml includedPD-Tips II cannot be autoclaved, the adapters are autoclavable
Variants from €48.90*
€194.00*
Repetitive pipette HandyStep® touch
 
Repetitive pipette HandyStep® touch
Battery/rechargeable battery: 3.7 V, Li Ion | Capacity: 1 ... 50,000 µl | Electrochemical system: Li Ion | Manufacturer Article Number: 705200 | Max. capacity: 50000 µl | Max. voltage: 240 V | Max. voltage battery/rechargeable battery: 3.7 V | Min. capacity: 1 µl | Min. voltage: 100 V | Power supply: 100 ... 240 V, 50/60 Hz | Power supply frequency: 50/60 Hz | Type of auxiliary energy: Mains connection/rechargeable battery | With digital operation: Yes
Repetitive pipette with colour touch display and automatic tip size recognition. The automatic tip size recognition of the PD-Tips II, with patented coding on the piston, automatically displays the tip size after inserting the tip. By inserting a new PD-tip of the same size, all instrument settings are maintained.Multi-dispensing, auto-dispensing, pipetting and favoritesTouchscreen operation with intuitive menu navigation and integrated help functionImportant functions and parameters visible at a glanceAutomatic tip ejection by the press of a buttonErgonomically arranged STEP buttonVariable volume adjustment from 1.0 µl to 50 mlUSB-C connection for quick charging by cableInductive charging with optional charging standCompatible third party tips can also be usedScope of supply:Repetitive pipette, universal AC adapter (for Europe, UK, USA, Japan, Australia and New Zealand), Li-Ion battery, USB-Type C cable, shelf/rack mount, sample PD-Tips II, operating manual, performance certificate
€834.50*
Repetitive pipette HandyStep® touch, incl. charging stand
 
Repetitive pipette HandyStep® touch, incl. charging stand
Battery/rechargeable battery: 3.7 V, Li Ion | Capacity: 1 ... 50,000 µl | Electrochemical system: Li Ion | Manufacturer Article Number: 705201 | Max. capacity: 50000 µl | Max. voltage: 240 V | Max. voltage battery/rechargeable battery: 3.7 V | Min. capacity: 1 µl | Min. voltage: 100 V | Power supply: 100 ... 240 V, 50/60 Hz | Power supply frequency: 50/60 Hz | Type of auxiliary energy: Mains connection/rechargeable battery | With digital operation: Yes
Repetitive pipette with colour touch display and automatic tip size recognition. The automatic tip size recognition of the PD-Tips II, with patented coding on the piston, automatically displays the tip size after inserting the tip. By inserting a new PD-tip of the same size, all instrument settings are maintained.Multi-dispensing, auto-dispensing, pipetting and favoritesTouchscreen operation with intuitive menu navigation and integrated help functionImportant functions and parameters visible at a glanceAutomatic tip ejection by the press of a buttonErgonomically arranged STEP buttonVariable volume adjustment from 1.0 µl to 50 mlUSB-C connection for quick charging by cableInductive charging with optional charging standCompatible third party tips can also be usedScope of supply:Repetitive pipette, charging stand, universal AC adapter (for Europe, UK, USA, Japan, Australia and New Zealand), Li-Ion battery, USB-Type C cable, shelf/rack mount, sample PD-Tips II, operating manual, performance certificate
€921.50*
Dispenser tips, PD-Tips II, set
 
Dispenser tips, PD-Tips II, set
Description: Dispenser tips, PD-Tips II, set | Manufacturer Article Number: 705720
Thanks to patented size coding, HandyStep® touch, HandyStep® touch S, HandyStep® electronic, Gilson® Repetman® and Rainin AutoRep™ E automatically detect the tip volume. The tips are also compatible with all other instruments of the HandyStep® family and with repetitive pipettes from other manufacturers.Cylinder: PP / piston: HDPE, 0.1 ml piston: LCPComply with the requirements of ISO 8655Supplied with batch certificateAdapter for sizes 25 ml and 50 ml includedPD-Tips II cannot be autoclaved; the adapters are autoclavableScope of supply:20 pcs. of each size 0.5 ml, 1 ml, 1.25 ml, 2.5 ml, 5 ml, 10 ml, 12.5 ml
€112.80*
26%
Volumetric flasks, boro 3.3, class A, blue graduations, with glass stoppers, incl. ISO individual certificate
 
Volumetric flasks, boro 3.3, class A, blue graduations, with glass stoppers, incl. ISO individual certificate
Accuracy class: A | Ground size: NS10/19 | Manufacturer Article Number: 937267 | Material: Boro 3.3 | Material closure: Glass | Nominal capacity: 10 ml | Standard: DIN EN ISO 1042 | Tolerance: ±0.04 ml | Type of closure: Stopper | UNSPSC: 41121804
All Blaubrand® volumetric flasks are delivered with batch number and one batch certificate included per pack. They are also available with DAkkS calibration certificate upon request.DIN EN ISO 1042DE-M markingRing marks and inscriptions in highly contrasting blue enamelCalibrated to contain (IN)
Variants from €34.65*
€34.72* €46.30* (25.01% saved)
26%
Volumetric flasks, boro 3.3, class A, amber, white graduation, with PP stopper, incl. ISO individual certificate
 
Volumetric flasks, boro 3.3, class A, amber, white graduation, with PP stopper, incl. ISO individual certificate
Accuracy class: A | Colour: Brown | Ground size: NS14/23 | Manufacturer Article Number: 937407 | Material: Boro 3.3 | Material closure: PP | Nominal capacity: 100 ml | Standard: DIN EN ISO 1042 | Tolerance: ±0.10 ml | Type of closure: Stopper | UNSPSC: 41121804
All BLAUBRAND® volumetric flasks are supplied with a batch number and an accompanying batch certificate in the original packaging. On request, they are also available with DAkkS calibration certificate.DIN EN ISO 1042DE-M markingMarks and inscriptions in high contrast white enamelCalibrated to contain (IN)
Variants from €41.55*
€42.97* €57.30* (25.01% saved)
26%
Volumetric flasks, boro 3.3, class A, with beaded rim, incl. ISO individual certificate
 
Volumetric flasks, boro 3.3, class A, with beaded rim, incl. ISO individual certificate
Accuracy class: A | Manufacturer Article Number: 937046 | Material: Boro 3.3 | Nominal capacity: 20 ml | Standard: DIN EN ISO 1042 | Tolerance: ±0.04 ml | Type of closure: Without | UNSPSC: 41121804 | With beaded rim: Yes
All BLAUBRAND® volumetric flasks are delivered with batch number and one batch certificate included per pack. Also available with individual works or DAkkS calibration certificate, please enquire. DIN EN ISO 1042DE-M markingRing marks and inscriptions in highly contrasting blue enamelCalibrated to contain (IN)Without stoppers
Variants from €28.28*
€28.72* €38.30* (25.01% saved)
26%
Volumetric flasks, boro 3.3, class A, amber graduations, with PP stoppers, incl. ISO individual certificate
 
Volumetric flasks, boro 3.3, class A, amber graduations, with PP stoppers, incl. ISO individual certificate
Accuracy class: A | Ground size: NS10/19 | Manufacturer Article Number: 936843 | Material: Boro 3.3 | Material closure: PP | Nominal capacity: 10 ml | Standard: DIN EN ISO 1042 | Tolerance: 0,04 ±·ml | Type of closure: Stopper | UNSPSC: 41121804
All Blaubrand® volumetric flasks are delivered with batch number and one batch certificate included per pack. They are also available with DAkkS calibration certificate upon request.BLAUBRAND® ETERNADIN EN ISO 1042DE-M markingGraduation and inscriptions in Eterna amber stainCalibrated to contain (IN)
Variants from €32.03*
€32.17* €42.90* (25.01% saved)
26%
Volumetric flasks, boro 3.3, class A, blue graduations, incl. ISO individual certificate
 
Volumetric flasks, boro 3.3, class A, blue graduations, incl. ISO individual certificate
Accuracy class: A | Ground size: NS14/23 | Manufacturer Article Number: 937233 | Material: Boro 3.3 | Material closure: PP | Nominal capacity: 150 ml | Standard: DIN EN ISO 1042 | Tolerance: ±0.15 ml | Type of closure: Stopper | UNSPSC: 41121804
All Blaubrand® volumetric flasks are delivered with batch number and one batch certificate included per pack. They are also available with DAkkS calibration certificate upon request.DIN EN ISO 1042DE-M markingRing marks and inscriptions in highly contrasting blue enamelCalibrated to contain (IN)With PP- / PE-stoppers
Variants from €32.03*
€39.67* €52.90* (25.01% saved)
25%
Volumetric flasks, boro 3.3, class A, amber, white graduation, with glass stopper, incl. ISO individual certificate
 
Volumetric flasks, boro 3.3, class A, amber, white graduation, with glass stopper, incl. ISO individual certificate
Accuracy class: A | Colour: Brown | Ground size: NS10/19 | Manufacturer Article Number: 937446 | Material: Boro 3.3 | Material closure: Glass | Nominal capacity: 20 ml | Standard: DIN EN ISO 1042 | Tolerance: ±0.04 ml | Type of closure: Stopper | UNSPSC: 41121804
All BLAUBRAND® volumetric flasks are supplied with a batch number and an accompanying batch certificate in the original packaging. On request, they are also available with DAkkS calibration certificate.DIN EN ISO 1042DE-M markingMarks and inscriptions in high contrast white enamelCalibrated to contain (IN)
€45.75* €61.00* (25% saved)
25%
Volumetric trapezoidal flasks, boro 3.3, class A, blue graduations, incl. ISO individual certificate
 
Volumetric trapezoidal flasks, boro 3.3, class A, blue graduations, incl. ISO individual certificate
Accuracy class: A | Ground size: NS7/16 | Manufacturer Article Number: 936401 | Material: Boro 3.3 | Material closure: PP | Nominal capacity: 1 ml | Standard: DIN EN ISO 1042 | Tolerance: ±0.025 ml | Type of closure: Stopper | UNSPSC: 41121804
All Blaubrand® volumetric flasks are delivered with batch number and one batch certificate included per pack. Also available with DAkkS calibration certificate, please enquire.DIN EN ISO 1042DE-M markingGraduations and inscriptions in highly contrasting blue enamelCalibrated to contain (IN)With PP stoppers
€35.10* €46.80* (25% saved)
25%
Tip
Bottle-top dispenser Dispensette® Organic Analog S
 
Bottle-top dispenser Dispensette® Organic Analog S
Accuracy: 0.5 ± R% | Autoclavable: Yes | Division: 0.1 ml | Dosing volume: 0.5 ... 5 ml | Length suction tube: 240 mm | Manufacturer Article Number: 4630130 | Max. dosing volume: 5 ml | Min. dosing volume: 0.5 ml | Precision: 0.1 ≤·VK% | Thread: GL 45 | UNSPSC: 41121516 | With recirculation valve: No
The bottle-top dispenser makes liquid dosing easy and secure.Analog volume displayQuickly adjustable dosing volumeVolume selection with interior scalloped trackSimple calibration adjustment with a supplied toolValve system - tight sealing without additional sealing ringsFilling valve, olive-shapedAutoclavable at 121 °CScope of supply:Bottletop dispensers Dispensette® S, DE-M marked, performance certificate, telescope filling tube, mounting tool, adapters made of PPYellow color code. Ideal for dispensing organic solvents, e.g., chlorinated and fluorinated hydrocarbons such as trichlorotrifluoroethane and methylene chloride, or concentrated acids such as HCl and HNO3 (not HF) as well as trifluoroacetic acid (TFA), tetrahydrofuran (THF) and peroxides.
€262.50* €350.00* (25% saved)
Article 1 - 24 from 1016

Promotion

Evaporating dishes, DURAN®
Evaporating dishes, DURAN®
DIN 12336Flat-bottom with spoutAutoclavable
Variants from €9.92*
Variations
Evaporating basins, quartz glass
Evaporating basins, quartz glass
DIN 12336Flat-bottom with spout
Variants from €31.24*
Variations
Evaporating basins, porcelain, shallow form
Evaporating basins, porcelain, shallow form
Glazed inside and outside except for rim.
Variants from €12.99*
Variations

Promotion

Evaporating dishes, DURAN®
Evaporating dishes, DURAN®
DIN 12336Flat-bottom with spoutAutoclavable
Variants from €9.92*
Variations
Evaporating basins, quartz glass
Evaporating basins, quartz glass
DIN 12336Flat-bottom with spout
Variants from €31.24*
Variations
Evaporating basins, porcelain, shallow form
Evaporating basins, porcelain, shallow form
Glazed inside and outside except for rim.
Variants from €12.99*
Variations

Bottle-top Dispenser: Operating Principle and Applications

In many laboratories, efficient handling of liquids is crucial due to the volume of work involved. This saves time and ensures better results. Bottle-top dispensers assist in accurately measuring and dispensing liquids, which is practical when working with numerous reagents such as bases, acids, or solvents.

There are various types of bottle-top dispensers. They all share the feature of being screwed onto stock bottles, allowing the contained liquid to be dispensed using different methods. Digital dispensers operate similar to pipettes, where the user can dispense the desired volume by moving the plunger up or down. Analog dispensers are manually adjusted; the plunger is lifted to fill the cylinder with solution. There are also electronic dispensers equipped with displays. Another advantage of bottle-top dispensers is that they eliminate the need to adjust the meniscus.

There are two types of plungers: wiping and floating. For certain chemicals, a plunger with a seal is necessary to close the gap between the plunger and the dispensing cylinder. This creates friction, which may require higher operating forces. However, many devices feature spring support. The seal is a wear part. This design of bottle-top dispenser is suitable primarily for less aggressive and crystallizing reagents.

When working with critical substances, variants with a floating plunger are more suitable. This applies especially to handling these substances:

  • Concentrated acids
  • Organic solvents
  • Bases
  • Viscous media

The gap between the plunger and the cylinder is sealed by a liquid.

Bottle-top Dispenser: Added Value in the Laboratory

Bottle-top dispensers make serial dosing more efficient and safer. Users no longer need to handle laboratory bottles themselves, reducing potential mishaps. Some dispensers even automatically seal the dispensing nozzle when not in use, which is beneficial when dealing with aggressive media. Ensure the dispenser is suitable for the intended medium. If so, these devices are maintenance-friendly for liquid handling. They can usually be disassembled and are partially autoclavable at 121°C. Our blog covers many other topics related to liquid handling. For instance, like other volumetric measuring devices, dispensers need regular calibration for precise dosing.

BRAND Dispenser

Dispensette® S - the new generation bottle-top dispenser - the best Dispensette® ever

Improvements in almost every detail:

  • Incredibly light fluid intake and delivery
  • Easy venting through optimized flow channels
  • Quick and secure volume fixation through internal rack teeth
  • The right bottle-top dispenser for every application:
    • Dispensette® S: Suitable for a wide range of applications, particularly effective for many acids, salt solutions, and organic solvents.
    • Dispensette® S Organic: Ideal for application and dosing of organic solvents and concentrated acids.
    • Dispensette® S Trace Analysis: Designed for use with high-purity acids, bases, and H2O2. With a platinum-iridium valve spring, it can also be used as a hydrofluoric acid dispenser.

The Dispensette® S, three variants for optimal use:

  • Digital: Particularly clear digital display. The selected dispensing volume is precisely and reproducibly adjustable. Easy Calibration Technique for tool-free adjustment in seconds. Automatic marking when changing factory settings.
  • Analog: Analog volume display, quickly adjustable dispensing volume, securely fixed by internal rack teeth. Easy adjustment with adjustment key.
  • Fixed: Pre-set dispensing volume for standard applications. Easy adjustment with adjustment key.

Hirschmann Dispenser

Hirschmann dispensers are available in various volumes, e.g., 10 ml, 20 ml, and 50 ml. These dispensers combine efficiency, functionality, and user-friendliness.

The electronic control allows for consistent and reliable serial dosing. Additionally, a method memory for nine different dosing operations with storage of all settings is integrated.

Bottle-top Dispenser: Dosing with Highest Reliability

VITLAB bottle-top dispensers offer a wide range of applications for precise dosing. VITLAB® genius2 and simplex2 are almost universally applicable, while the VITLAB® TA2 dispenser was specifically developed for trace analysis and highly concentrated media. Chemical-resistant materials make VITLAB bottle-top dispensers highly robust and reliable. They can be screwed directly onto all common laboratory bottles or with the help of an adapter, eliminating the need to transfer chemicals.

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