Page 17 - EDX-7200

Foreign Matter Material Evaluationɹ−Foreign Matter Adhering to Plastic Extruded Part−
EDX permits non-destructive elemental testing, making it effective for the analysis of foreign matter adhering to or mixed in with foods, drugs,
or products. Using the sample observation camera and collimators makes it easy to identify trace foreign matter.
The 1 mm irradiation diameter is effective at reducing the effects of peripheral material, resulting in accurate quantitative matching. In the
example, the material was identified as SUS316.

Foreign matter

Normal position
Overlaid Pro les of Foreign Matter (Red) and Normal Position (Blue)
Sample Appearance

Quantitative Analysis Results for Foreign
Matter by FP Method
The titanium (Ti) and zinc (Zn) peripheral
material around the foreign matter are
eliminated from the quantitation
calculations.
Matching Results
(Matching results in internal library.
Substance identi ed as SUS316.)

Residual Catalystɹ−Analysis using Scattered Radiation Correction−
EDX is also useful for testing residual catalysts. For quantitative analysis of residual catalysts during organic synthesis, ICP analysis is often used.
However, pretreatment is cumbersome and it takes time to obtain results. EDX makes quantitative analysis easy.
The following is an example of quantitative analysis of Pd in organic matter (cellulose) using a calibration curve prepared with a standard Pd
aqueous solution. By using the standard correction in the scattering line, the difference between the material of water and cellulose is
corrected. Furthermore, the quantitative result is equivalent to the case of the sufficient quantity even if the sample quantity is small.

Suf cient amount (3.0 g) Small amount (0.5 g)
Appearance of cellulose powder sample
(using sample container)
Results of Quantitative Analysis of
Pd in Cellulose Powder [ppm]
4BNQMF BNPVOU Pd 3М
4VGGJDJFOU BNPVOU H 21.2 1.0
Calibration Curve of Pd Prepared Pro le Superposition of Pd on Cellulose Powders
with Standard Aqueous Solution 4NBMM BNPVOU H 21.4 1.4 with Different Sample Amounts

EDX-7200
Energy Dispersive X-Ray Fluorescence Spectrometer 17