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  The FS 3700 Automated Chemistry Analyzer is an advanced continuous flow analyzer designed to improve laboratory
productivity by automating wet chemistry test procedures.
Cyanide Analysis
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Flow Solution Videos

OI Analytical validates the hardware configuration and performance of every method supplied with the FS 3700 analyzer providing users a total analysis solution. Methods for aqueous samples, soil or plant extracts are available to support environmental compliance monitoring, process optimization and research applications.

Sub ppb detection levels for Total Cyanide analysis on the FS3700

Modular hardware

Modular hardware allows FIA and/or SFA methods to be run interchangeably on the same unit. Multiple FS 3700 can be linked to provide additional channels of concurrent analysis.

In-line Heating/UV Digestion

In-line devices for reactions requiring heating or UV digestion are mounted on the underside of chemistry cartridges. FlowView software provides user programmable control of the UV lamp and cartridge heater set points in 1 °C increments.


Injection Valves

An automated injection valve is installed in the analysis module chassis when required to run a flow injection analysis (FIA) method.


Chemistry Cartridges

Each chemistry cartridge is pre-assembled with all components needed to perform a validated analysis method – just attach the pump tubing and detector flow cell. Ordering by 'channel' provides a convenient way to configure the 3700. Modular, flexible hardware provides a great platform for research, in-house or proprietary methods

Plug-in Detector Modules

Photometric and amperometric detector modules plug-in to the FS 3700 to support methods employing colorimetric chemistries or amperometric measurements. Built-in A/D and ISE capability are standard in each chassis.

The Expanded RangeTM photometric detector and auto-scaling software virtually eliminate off-scale samples. A single calibration curve can range from low ppb to high ppm concentrations.


  FS 3700 Specifications  
  Analysis Module 1 or 2 chemical analysis channels per chassis
  Analysis Module Dimensions 31 in. W x 17.5 in. D x 10.5 in. H
78.74 cm W x 44.45 cm D x 26.67 cm H
  FS 3700 Dimensions with 90-position Autosampler Approximately 44 in. (112 cm) W
  FS 3700 Dimensions with 360-position Autosample Approximately 51.5 in. (131 cm) W
  Injection Valve 10-port switching valve. chemically-inert wetted surfaces
  Photometric Detector 420-880 nm, with path lengths of 5-mm, 10-mm or 20-mm
  Amperometric Detector Silver working electrode, silver/silver chloride reference,
stainless steel counter electrode
  In-line Heater Included as needed, mounted underneath chemistry cartridge, user programmable in 1 ̊ C increments
  UV-digestion Module Included as needed, mounted underneath chemistry cartridge
  Peristaltic Pump 24-channel, fits on top of analysis module
  Autosampler 90-position, X-Y-Z (90 samples + 9 standards)360-position,
X-Y-Z (360 samples + 10 standards)
  Tubing FEP Teflon® and EVA ethylene-vinyl acetate copolymer
  Manifolds / Fittings Polysulfone
  Analysis Methods / Documentation Validated chemistries for specific analytes / sample matrices
with performance data
  Operating Software FlowView
  Operating System WindowsTM 7, WindowsTM 8 and 8.1
  PC to FS 3700 Communications USB
  Power Supply 24VDC universal switching power supply for operation
with 90-250VAC 50/60Hz source
  Power Requirements 110VAC / 60 Hz or 230VAC / 50 Hz
  Weight (Analysis Module) 19.5 kg (43 lbs.), typical for analysis module and pump,
two injection valves, chemistry cartridges, detector modules
  Certifications CE Safety EN 61010-1 EMC Immunity & Emissions EN 61326-1:2006


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