PerkinElmer offers a wide range of graphite tubes for Atomic Absorption instruments using either a traditional Heated Graphite Atomizer (HGA) or a Transversely-Heated Graphite Atomizer (THGA) furnace. To ensure stable analytical conditions from one atomization cycle to the next and from graphite tube to graphite tube, all graphite parts are manufactured to the highest quality specifications.
Our unique THGA tubes provide exceptionally uniform temperature distribution for the most stable analytical conditions across atomization cycles.
Advantages of this design include:
In addition, all TGHA graphite tubes and HGA tubes with Integrated or Advanced Platforms™ are made with a proprietary high-density base graphite material, exclusively available from PerkinElmer.
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The exclusive and patented Advanced Platform™ design offers an alternative to our Standard Integrated Platform design. With the current Integrated Platform design, the platform attaches to the tube wall along a single side that runs the length of the platform.
Standard pyrocoated graphite tubes are grooved to accept L'vov platforms and are produced in a quality controlled manner to ensure reliable temperature calibration in PerkinElmer graphite furnaces.
The graphite contact cylinders are engineered for a precise fit so that variations in electrical contact, which might affect the analytical performance, are reduced to a minimum.
We offer a selection of graphite components compatible with Thermo Electron AA instruments, including the Uncoated Ridged Graphite Tubes. It is equivalent to Thermo part number 9423 393 95031.
The L'vov platform is a small plate of solid pyrolytic graphite that's inserted into compatible graphite tubes. It has a slight depression in the center which can accommodate up to 50mL of solution.
This O-Ring is designed for use with the THGA Quartz Window (B0198005).
The exclusive and patented Advanced Platform™ design offers an alternative to our Standard Integrated Platform design. With the current Integrated Platform design, the platform attaches to the tube wall along a single side that runs the length of the platform.
The graphite contact cylinders are engineered for a precise fit so that variations in electrical contact, which might affect the analytical performance, are reduced to a minimum.
For the most demanding analyses, PerkinElmer offers UltraClean THGA graphite tubes - delivering exceptionally low levels of contamination due to advanced high-temperature gas-phase cleaning procedures.
The graphite contact cylinders are engineered for a precise fit so that variations in electrical contact, which might affect the analytical performance, are reduced to a minimum.
The graphite contact cylinders are engineered for a precise fit so that variations in electrical contact, which might affect the analytical performance, are reduced to a minimum.
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