The top Varian ICP autosampler

An autosampler automates the loading regarding laboratory samples into this test injector of the chromatograph. In mix, this autosampler and the sample injector are known as the autosampler injection system – a program that isolates compounds from the sample therefore, the chromatograph can detect these individuals. There are five main sorts of autosampler injections systems:

S/SL (split/splitless) injection systems
On-column inlet systems
PTV injector systems
Gas source inlet systems
Purge and trapsystems
With the dynamic capacity to trap low level chemical substances, the purge and snare system is used with regard to samples in whose compounds arise from low-ppb (parts for each billion) stages. Varian ICP autosampler When many people decide on an autosampler for purge and mistake, several labs narrow their particular alternatives to the Centurion WS Autosampler and the Archon/OI Model 4552 Autosampler. In case you are analyzing all these autosamplers, the comparisons down below will aid your review.

Centurion WS Autosampler versus. Archon Autosampler

Evaluating this Centurion WS on the Archon/OI Model 4552 must be done making criteria that determine often the overall value of the autosampler to the consumer. These criteria are:

Analytical superiority
Technical robustness
Ease of use
Simple preservation
Analytical Superiority
The Centurion WS features electronic, three-position delivery, a programmable 1ul-100ul delivery, and really does not really require priming. These types of capabilities give it one particular of the most adaptable, reputable, consistent, and cost-effective IS/Surr delivery systems about the market. Through the use of a good fast hot water wash it out in a fixed volume level cycle that keeps normal water in the path warm, and flushing the particular minimizer parameter soil hook plus transfer line with P&T’s Bake gas, it in addition features excellent carryover lessening.

The Archon/OI Design 4552 features mechanical, two-position supply, a 1ul shipping and delivery, and requires priming. These attributes make it less multipurpose, reliable, consistent, and cost effective compared to the Centurion WS. Its slow popular water rinse using a good syringe also offers a lesser amount of carryover protection.

Mechanical Sturdiness
The Centurion WS shows some sort of high level of mechanical effectiveness due to the particular following specs:

Some sort of totally supported X-Y-Z provide
Normal water vial sampling that occurs found in the rack
A dietary fiber optic vial sensor
Vial sensing during transport only for soil samples
An escalator device that only bears garden soil
Modular electronic style
A good P&T concentrator that will manages flow control
Removal in the syringe mechanism found in almost all autosamplers
Inside of comparison, the specs to get the Archon/OI Model 4552 are that it:

Offers an arm whose departed side is unsupported
Does indeed not sample water vials in the tray
Functions a mechanical switch (ofcourse not a fiber content optic sensor) that must be altered during vial transport
Has an elevator that moves both water and soil trials
Contains an all-in-one printed circuit board rather involving modular electronic design
Capabilities separate pressure and stream control
Uses the syringe mechanism, which can lead to syringe errors.
The Centurian WS makes high output due to its dual concentrator way of liquid and soil samples, and it has the generous trial positioning of 100 water samples and 90 soil samples. These features develop cost savings for the GC/MC approach and enhance unattended autosampler operation. Typically the Archon/OI Design 4552 is lacking in a dual concentrator style and only characteristics placing for 51 trials.

Efficiency of Use
Featuring distant control plus intuitive Home windows XP Software program that is certainly exhibited on a 15″ savvy monitor, the Centurion WS is one of the particular simplest autosamplers to apply. Throughout contrast, the Archon/OI Type 4552 cannot be handled via network, and features a good program that is altered via a compact keypad.

Ease of Maintenance
Typically the Century WS possesses 3 features that make that easy to keep: an error tracking plus test log, on-board current circulation diagrams, and complete on-board diagnostic checks. The Archon/OI Model 4552 does definitely not possess these features.