Pvc Wire Insulation With Conductor Removed; Incorrect Way To Measure Heat Shrink Tubing; Correct Way To Measure Heat Shrink Tubing - Thermo Scientific XL2 User Manual

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Figure 17.

PVC Wire Insulation With Conductor Removed

A piece of large diameter heat shrink tubing presents an interesting case. It is tempting to
analyze this object as is - see Figure 39. However, one needs to know that while lead or
bromine or chromium X-rays from the upper wall of tubing will not contribute to the signal
measured, X rays of such elements as cadmium, antimony, tin or barium in the upper wall will
significantly contribute to overall signal. It is therefore imperative to either flatten the tubing
for analysis or cut it in pieces and then analyze as shown in Figure 40.
Figure 18. .

Incorrect Way to Measure Heat Shrink Tubing

Figure 19. .

Correct Way to Measure Heat Shrink Tubing

WARNING Thickness correction is only for use with plastic/polymer samples.
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