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Product Introduction
Product Introduction

Sample Positions:

Sampling Volume:

Internal Standard:

Sample Pathway:

Water Mode:

Soil Mode:

Soil Heating Temperature:

Magnetic Stirrer:

Placement Accuracy (3D):







0.1 ml - 25 ml

4 channel, 1/2/5/10/20/25μL




150 °C

Speed adjustable

1 mm

21 inch

36 inch

24 inch

80 lbs

Water Only Autosampler 


The 8500A autosampler is a 110 position autosampler with dynamic headspace sampling function for EPA methods 524, 624 and 8260 (both water and soil), and built on our 3rd generation autosampler with a faster and smarter sample loading. A perfect match for the 8500C Purge & Trap concentrator with integrated software control.

Product Features
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110 Position Autosampler

The autosampler comes with a high capacity of 110 positions for 40 ml VOC vials in one sample rack. Sample code is supported in the software.

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Internal Standard Addition

CDS 8500A autosampler adopts a unique EPC controlled manifold to precisely inject a user-select volume (1/2/5/10/20/25μL) of internal standard into the sample from 4 channels.  

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High Precision Syringe

The 8500A autosampler uses a 25 mL high precision syringe to drive the sample flow, and delivers a variable sample volume from 0.1 mL to 25 ml with a use-select sample dilution ratios from 1:1/1:2/1:5/1:10/1:20/1:50/1:100, which supports the automated sample calibration.

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Dynamic Headspace

The 8500A is equipped with a soil cup for dynamic headspace sampling in compliance with EPA 8260 soil samples. The max temperature is 150°C for routine Dynamic Headspace applications. 

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Water Station

The water sample and soil sample are using its dedicated sampling station and needle without worry of cross-contamination.

Magnetic Stirrer

The magnetic stirrer drives the magnetic bar in the soil vial based on EPA 5030 and 5035 sampling requirement for soil samples.

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PEEK Sample Pathway

The chemically inert sample pathway guarantees the success of your purge and trap testing even with challenging liquid samples.

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Powerful PC Interface

The PC software has a friendly interface to configure each run with programmable rinses, programmable blanks, internal standard addition, and water addition to soil sample.

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Soft Draw Gripper

The highly versatile vial gripper has a 4 soft draws to offer the maximum compatibility and reliability to transport glass vials from various manufacturers.

Precision Robotic Arm

The position accuracy of the 3rd generation autosampler is 1 mm (X, Y and Z) 3D placement accuracy due to a high precision drive mechanism. The 8500A is pre-calibrated in the factory for easy installation. 

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Methanol Extraction

The 8500C autosampler has the capability to support methanol extraction to high concentration samples as well as offering methanol rinse to the liquid sample pathway.

Build-in EPA Method

The 8500 software controls both the 8500A autosampler and the 8500C concentrator. EPA method has been built in to jump start your sample runs. 

Product Features
Part Number
8500A Autosampler Water Only - 110 sample position
85A1-3003 (115V)/85A1-3004 (220V)
8500A Autosampler Soil and Water - 110 sample position
85A1-3001 (115V)/85A1-3002 (220V)
110-position Chiller Tray for 8500A Autosampler
Vial - Clear Vial/Septa 40ml (72 each)
Vial - Amber Vial/Septa 40ml (72 each)
Vial Septa 22mm for 40ml Vials (72 each)
Parts & Options

Marketing Brochures

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Request form for manuals and software

Purge & Trap Series

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CDS 8500C

Purge and Trap concentrator for 8500A autosampler


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CDS 8500A

CDS's 3nd generation Purge and Trap autosampler 

CDS 7000C

World's first Purge and Trap tool for CTC PAL autosamplers.

7000C for CTC

Leaders in GC Sample Introduction Technology

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