X-Ray Fluorescence (XRF) Testing

XRF is one of the most effective non-destructive component analysis methods, which can determine the type and content of trace elements in a substance. The characteristic X-ray energy and wavelength emitted by different elements are different. Therefore, by measuring the energy or wavelength of the X-ray, we can know what kind of element it is emitted, and perform a qualitative analysis of the element. At the same time, the characteristic X-ray intensity of a certain element emitted after the sample is excited is related to the content of this element in the sample, so the quantitative analysis of the element can be performed by measuring its intensity. XRF is widely used in the analysis of medium and trace elements in the fields of metallurgy, geology, materials, petroleum, chemical industry and environment. As a professional reliability third-party testing organization, T,C&A Lab's XRF Testing Laboratory can perform ingredients analysis for raw materials and products according to ISO, ASTM and other standards as well as industry requirements. Welcome to contact our experts for consultation.

Detection capabilities of XRF

• Detectable elements: Qualitative and quantitative determination of elements from boron (5) to uranium (92)

• Detection limit: ppm level

• Sample status: solid sample, powder sample, liquid sample

Qualitative and quantitative analysis of XRF

• Qualitative analysis

The fluorescent X-rays of different elements have their own specific wavelengths, so the composition of elements can be determined according to the wavelength of fluorescent X-rays.

• Quantitative analysis

The quantitative analysis of X-ray fluorescence is to determine the intensity of the spectral line of the sample, which is proportional to the content. The content information was obtained by comparing with the spectral line intensity of the same wavelength of the standard sample.

Sample requirements

• Powder sample or flat block sample

• The sample needs about 2-4g, and the qualitative results are given as appropriate when the sample is too small or other irregular samples.

• The thickness of solid sample is less than 1cm and the diameter is less than 3cm.

• Please indicate the preservation conditions of the sample (normal, dry, frozen, refrigerated, protected from light or other).

Standards we test to

In addition, the experts in our XRF Testing Laboratory also provide a variety of custom services as your needs and requirements. Let's discuss the custom services with our experts for free.

Instruments and data

Reference

1. Pereira, G. R.; et al. X-ray fluorescence microtomography in biological applications. Computed tomography-special applications. InTech, 2011.

Note: this service is for Research Use Only and Not intended for clinical use.

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