Description
Window – Purge Tube – Radial 320-71
P/N: 320-71
Cross Reference(s)
Glass Expansion: 31-808-2631
PerkinElmer: B0810377
Instrument Compatibility:
PerkinElmer 2X00DV
Detail:
Radial Purge Window, for PerkinElmer
What is the Role of the Window – Purge Tube – Radial 320-71?
A “purge window” in the context of ICP (Inductively Coupled Plasma) analysis refers to a special window on the instrument that allows for a continuous flow of gas to remove potential contaminants from the optical path, thereby ensuring accurate readings by preventing interference from the sample matrix. Essentially, it “purges” the area around the light beam to maintain cleanliness and stability during analysis.
- Function – The window is designed to direct a stream of gas (usually air or nitrogen) across the optical path, preventing dust, vapors, or other particles from entering and affecting the signal detected by the instrument.
- Importance for accuracy – By keeping the optical path clean, the purge window contributes to reliable and consistent results in ICP analysis, especially when dealing with complex samples.
- Maintenance – Purge windows often require periodic cleaning or replacement to maintain optimal performance
A Deeper Dive into the Purge Window
As mentioned, the purge window in ICP instruments maintains a clean optical path by directing a continuous flow of gas (usually air or nitrogen) across the optical path. As a result, potential contaminants like dust, vapors, or other particles are less likely to interfere with the accuracy of the reading.
Optimal Material for the Purge Window
Purge windows are typically made of quartz. Quartz is chosen for its durability and transparency, which are essential for maintaining the integrity of the optical path.
Benefits of the Purge Window
Improved Accuracy: By keeping the optical path clean, purge windows help ensure more accurate and reliable results.
Reduced Interference: They prevent contaminants from entering the optical path, which can otherwise cause signal interference.
Enhanced Stability: Maintaining a clean optical path contributes to the stability and consistency of the instrument’s performance over time.
While not all ICP instruments have purge windows, they are highly beneficial for maintaining the accuracy and reliability of the measurements, especially in environments where contamination is a concern. Instruments without purge windows might require more frequent maintenance and cleaning to achieve similar levels of accuracy.
Purge windows are commonly found in both axial and radial configurations of ICP instruments. They are used in various models, including those from manufacturers like PerkinElmer and Thermo Fisher
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