Preparation of Specimens for X-ray Fluorescence

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Narooie Afsoon; Nabavi Hamidreza

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Journal: IRANIAN JOURNAL OF LABORATORY KNOWLEDGE Year:2019 | Volume:7 | Issue:3 (27) Page(s): 7-12

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Information Journal Paper

Title

Preparation of Specimens for X-ray Fluorescence

Author(s)

Narooie Afsoon | Nabavi Hamidreza | Issue Writer Certificate

Keywords

X-ray fluorescence spectrometer

Sample Preparation

Homogeneous sample

Pressed Pellet method

Fusion Pellets method

Solid Samples

Liquid Samples

Loose Powders

Abstract

Just as for any other analytical technique, good Sample Preparation is essential for performing high-quality chemical analysis using X-ray fluorescence (XRF). There are 5 most common ways to prepare samples for XRF analysis. Whichever samples are being assessed – loose or pressed powders, fused beads, Solid Samples or liquids – finding the right approach to Sample Preparation is the first, and one of the most important steps in achieving accurate and reproducible results. We need to provide the requested information, as accurately, as repeatably, by different operators, as easily, as economically cost, as precisely and fast. At first must optimize grinding time to ensure that sample fineness is reached Sieve, granulometric determination or flour feel that Keeps sample homogeneous. Pellets prepare from the sample, which are two types: fused Pellets and pressed Pellets. In Fused pellets type, sample is melted by fuses, which are mostly compounds of boron (especially lithium borate). In pressed Pellets type, the powder of sample blend with an inert sticky material and then under pressure convert to Pellets, that can be put into the device. The other samples can be solid, liquid or Loose Powders.

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APA: Copy

Narooie, Afsoon, & Nabavi, Hamidreza. (2019). Preparation of Specimens for X-ray Fluorescence. IRANIAN JOURNAL OF LABORATORY KNOWLEDGE, 7(3 (27) ), 7-12. SID. https://sid.ir/paper/269048/en

Vancouver: Copy

Narooie Afsoon, Nabavi Hamidreza. Preparation of Specimens for X-ray Fluorescence. IRANIAN JOURNAL OF LABORATORY KNOWLEDGE[Internet]. 2019;7(3 (27) ):7-12. Available from: https://sid.ir/paper/269048/en

IEEE: Copy

Afsoon Narooie, and Hamidreza Nabavi, “Preparation of Specimens for X-ray Fluorescence,” IRANIAN JOURNAL OF LABORATORY KNOWLEDGE, vol. 7, no. 3 (27) , pp. 7–12, 2019, [Online]. Available: https://sid.ir/paper/269048/en

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