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Hamilton™ Constant Rate-700 HPLC Syringes & Replacement Parts

Syringes are designed to delive reasy, reproducible injection of liquid samples into an injector on HPLC instrumentation. The CR-700 standardizes three major variables: sample volume, rate of injection, and depth of needle penetration. Even when operated by different technicians, the CR-700 provides reproducibility of +1% of the total syringe volume in routine procedures.

$13.85 - $858.43


For Use With (Equipment) HPLC injection valves
Length (English) Needle 2 in.
Length (Metric) Needle 51mm
Needle Point Style Blunt
Quantity Each
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Products ${productFamilyLength}
Catalog Number Mfr. No. Model Type Needle Gauge Price Quantity  
Catalog Number Mfr. No. Model Type Needle Gauge Price Quantity  
14-823 Hamilton™
CR700-200 Gastight™ Syringe 22 ga. Each for $858.43
14-823-5 Hamilton™
CR-700 Replacement Needle 22 ga. Each for $13.85
14-823A Hamilton™
CR700-20 Gastight™ Syringe 22s ga. Each for $858.43
14-823B Hamilton™
CR700-50 Gastight™ Syringe 22 ga. Each for $556.39


Volumes are selected with micrometer precisions, the plunger is spring-driven and injects the samples at a constant rate. Three models of the CR-700 syringes are available with volumes of 20, 50 or 200μL.

Needle Point Styles

  • Point Style 3 - Blunt needle point for use with HPLC injection valves and for sample pipetting. Available gauge: 22

Description & Specifications


HPLC injection valves
2 in.