500 µL, Gastight Valco VISP-1 Syringe, Large Removable Needle (RN), PN: 81231

22 gauge, 0.75 in (19.0 mm), point style 3: blunt

Part # 81231

This 1700 series Gastight #1750 syringe is designed for heterogeneous, volatile, and viscous samples. Their polymer tip ensures a leak-free seal. The 500 µL syringe (PN: 81231) is manufactured with high-quality, chemically resistant materials. Compatible with Large Hub RN needles.

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Minimum: 1, Maximum: 1000

500 µL, Gastight Valco VISP-1 Syringe, Large Removable Needle (RN), PN: 81231 Details

Hamilton’s 1700 series, Gastight #1750 Removable Hub (RN) Needle syringe is designed for use with Valco VISF-1 HPLC injection valves. 

Hamilton 1700 series syringes are Gastight versions of the 700 series, ideal for dispensing liquids and gases. Their polymer plunger tip ensures a leak-free seal. These syringes offer upto 1% accuracy, superior durability, and are made from high-quality, chemically resistant materials.

Versatile Volume and Compatibility

  • Dispenses from 1 µL up to 500 µL with precision.
  • Compatible with various terminations and plunger styles for both manual dispensing and instrument applications.
     

Polymer Plunger Tip

  • A white polymer plunger tip effectively wipes the glass barrel, creating a leak-free seal.
  • Ensures a Gastight performance, suitable for liquids and gases.
Scientific Citations

  • Gastight Syringes Ensures Integrity of Environment Sensitive Catalysts (or Samples)

    For such, we utilize highly reactive catalysts that are in many cases air and moisture-sensitive. Gastight Hamilton syringes are essential to maintaining the catalyst integrity and, therefore, ensuring reproducible and trustable results.

    Stella A. Gonsales
    Assistant Professor, University of Chemistry and Technology Prague | Department of Polymers

500 µL, Gastight Valco VISP-1 Syringe, Large Removable Needle (RN), PN: 81231 Specifications

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Volume 500 µL
Syringe Type Gastight
Syringe Series 1700
Termination Removable Needle (RN)
Needle Large RN
Gauge 22 gauge
Point Style 3: Blunt
Needle Length 0.75 inches (19.0 mm)
Plunger Style Standard Plunger
Fluid Path SST, Borosilicate glass, PTFE
Autoclavable Yes
Gas Sterilizable Yes
Pressure 700 psig (48.3 bar)
Maximum Operating Temperature 80°C / 176°F
Minimum Operating Temperature 10°C / 50°F
Barrel Inner Diameter 0.128 inches (3.26 mm)
Barrel Outer Diameter 0.305 inches (7.75 mm)
Needle Inner Diameter 0.0161 inches (0.41 mm)
Needle Outer Diameter 0.0283 inches (0.72 mm)
Std Needle Dead Volume 2.55 µL
Sales Quantity 1 syringe per pack
Syringe Model Number 1750

500 µL, Gastight Valco VISP-1 Syringe, Large Removable Needle (RN), PN: 81231 Resources

Browse app notes, user guides, specification documents, and more in our Knowledge Center.

Browse app notes, user guides, specification documents, and more in our Knowledge Center.

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What are the most versatile syringes made by Hamilton?

Gastight syringes are the most versatile syringes. Plungers are replaceable if they get bent. Any of the Metal hub, Kel-F or Removable needle allow for the replacement of needle if they become bent or plugged.
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Can I order a replacement plunger for my syringe?

Most Gastight syringes have replacement plungers available under 'Accessories' on the product page, while Microliter syringes do not. 7000 series modified Microliter syringes have zero dead volume and a small plunger wire, but it's best not to remove the needle or plunger to avoid damaging the wire.
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