Knowledge What is the XRF Method Widely Used to Measure? (5 Key Points Explained)
Author avatar

Tech Team · Kintek Solution

Updated 2 months ago

What is the XRF Method Widely Used to Measure? (5 Key Points Explained)

The XRF (X-ray Fluorescence) method is widely used for elemental analysis, particularly in industries such as cement, metal and mineral ores, oil & gas, environmental, and geological applications.

This technique is based on the principle that when an atom's inner electrons are bombarded with high-energy radiation like X-rays, they are ejected, and the atom relaxes by emitting photons of characteristic wavelengths, which are used to identify the element.

What is the XRF Method Widely Used to Measure? (5 Key Points Explained)

What is the XRF Method Widely Used to Measure? (5 Key Points Explained)

1. Principle of XRF

XRF works by exposing a sample to high-energy X-rays.

When these X-rays interact with the sample, they cause the inner electrons of the atoms in the sample to be ejected from their atomic orbitals.

This creates vacancies in the inner electron shells.

To fill these vacancies, outer electrons from higher energy levels drop down, emitting X-ray photons in the process.

These emitted photons have specific energies that are characteristic of the element from which they originated.

By measuring these energies, the elements present in the sample can be identified and quantified.

2. Types of XRF Spectrometers

Energy Dispersive XRF (ED-XRF)

These spectrometers are simpler and easier to use, capable of simultaneously collecting signals from several elements.

They offer a resolution range from 150 eV to 600 eV.

Wavelength Dispersive XRF (WD-XRF)

These are more complex and expensive but provide higher resolution, ranging from 5 eV to 20 eV.

They collect one signal at a time at different angles using a goniometer.

3. Sample Preparation

The accuracy of XRF analysis depends significantly on the preparation of the sample.

For loose powder samples, there can be an underestimation of lighter elements like Al, Mg, and Na, leading to an overestimation of heavier elements like Fe and Ca.

To mitigate this, sample pellets are often prepared using a hydraulic press.

This method ensures a more uniform distribution of elements and allows for the detection of even the lightest elements in the sample, providing results that are in line with standard laboratory experiments.

4. Applications

XRF is used across various sectors including jewelry retail and manufacturing, analytical laboratories, pawnshops, and precious metal refiners.

It is particularly useful for quickly and accurately measuring the precise content of precious metals in items like jewelry and coins.

The technique is also valuable in detecting counterfeit gold or gold-plated jewelry by enabling coating/plating detection.

5. Advantages

XRF is non-destructive, fast, and does not require the use of harsh chemicals or acids, making it safer and more environmentally friendly compared to traditional methods like nitric acid testing or fire assay.

It is also user-friendly, with results displayed on a bright color touchscreen in seconds.

Continue exploring, consult our experts

Unlock the power of precise elemental analysis with KINTEK SOLUTION’s cutting-edge XRF technology.

From cement to jewelry, our advanced ED-XRF and WD-XRF spectrometers deliver unparalleled accuracy and speed, ensuring you achieve reliable results every time.

Join the industry leaders who trust KINTEK SOLUTION for their XRF analytical needs—embrace innovation and efficiency today!

Related Products

XRD sample holder / X-ray diffractometer powder slide

XRD sample holder / X-ray diffractometer powder slide

X-ray powder diffraction (XRD) is a rapid technique for identifying crystalline materials and determining their unit cell dimensions.

Automatic Lab XRF & KBR Pellet Press 30T / 40T / 60T

Automatic Lab XRF & KBR Pellet Press 30T / 40T / 60T

Fast and easy xrf sample pellet preparation with KinTek Automatic Lab Pellet Press. Versatile and accurate results for X-ray fluorescence analysis.

XRF & KBR steel ring lab Powder Pellet Pressing Mold

XRF & KBR steel ring lab Powder Pellet Pressing Mold

Produce perfect XRF samples with our steel ring lab powder pellet pressing mold. Fast tableting speed and customizable sizes for accurate molding every time.

XRF & KBR plastic ring lab Powder Pellet Pressing Mold

XRF & KBR plastic ring lab Powder Pellet Pressing Mold

Get precise XRF samples with our plastic ring lab powder pellet pressing mold. Fast tableting speed and customizable sizes for perfect molding every time.

barium fluoride (BaF2) substrate / window

barium fluoride (BaF2) substrate / window

BaF2 is the fastest scintillator, sought-after for its exceptional properties. Its windows and plates are valuable for VUV and infrared spectroscopy.

XRF Boric Acid lab Powder Pellet Pressing Mold

XRF Boric Acid lab Powder Pellet Pressing Mold

Get accurate results with our XRF Boric Acid lab Powder Pellet Pressing Mold. Perfect for preparing samples for X-ray fluorescence spectrometry. Custom sizes available.

Electric Hydraulic Pellet Press for XRF & KBR 20T / 30T / 40T / 60T

Electric Hydraulic Pellet Press for XRF & KBR 20T / 30T / 40T / 60T

Efficiently prepare samples with the Electric Hydraulic Press. Compact and portable, it's perfect for labs and can work in a vacuum environment.

lab infrared press mold

lab infrared press mold

Easily release samples from our lab infrared press mold for accurate testing. Ideal for battery, cement, ceramics, and other sample preparation research. Customizable sizes available.

MgF2 magnesium fluoride crystal substrate / window

MgF2 magnesium fluoride crystal substrate / window

Magnesium fluoride (MgF2) is a tetragonal crystal that exhibits anisotropy, making it imperative to treat it as a single crystal when engaging in precision imaging and signal transmission.

Strontium Fluoride (SrF2) Sputtering Target / Powder / Wire / Block / Granule

Strontium Fluoride (SrF2) Sputtering Target / Powder / Wire / Block / Granule

Looking for Strontium Fluoride (SrF2) materials for your laboratory? Look no further! We offer a range of sizes and purities, including sputtering targets, coatings, and more. Order now at reasonable prices.

RF PECVD System Radio Frequency Plasma-Enhanced Chemical Vapor Deposition

RF PECVD System Radio Frequency Plasma-Enhanced Chemical Vapor Deposition

RF-PECVD is an acronym for "Radio Frequency Plasma-Enhanced Chemical Vapor Deposition." It deposits DLC (Diamond-like carbon film) on germanium and silicon substrates. It is utilized in the 3-12um infrared wavelength range.

High energy vibratory ball mill (double tank type)

High energy vibratory ball mill (double tank type)

High-energy vibration ball mill is a small desktop laboratory grinding instrument. It uses 1700r/min high-frequency three-dimensional vibration to make the sample achieve the result of grinding or mixing.

High Energy Vibratory Ball Mill (Single Tank Type)

High Energy Vibratory Ball Mill (Single Tank Type)

High-energy vibration ball mill is a small desktop laboratory grinding instrument.It can be ball-milled or mixed with different particle sizes and materials by dry and wet methods.

Disc / Cup Vibratory Mill

Disc / Cup Vibratory Mill

The vibrating disc mill is suitable for non-destructive crushing and fine grinding of samples with large particle sizes, and can quickly prepare samples with analytical fineness and purity.

Dry and wet three-dimensional vibrating sieve

Dry and wet three-dimensional vibrating sieve

KT-VD200 can be used for sieving tasks of dry and wet samples in the laboratory. The screening quality is 20g-3kg. The product is designed with a unique mechanical structure and an electromagnetic vibrating body with a vibration frequency of 3000 times per minute.

Zinc sulfide (ZnS) window

Zinc sulfide (ZnS) window

Optics Zinc Sulphide (ZnS) Windows have an excellent IR transmission range between 8-14 microns.Excellent mechanical strength and chemical inertness for harsh environments (harder than ZnSe Windows)

Infrared Silicon / High Resistance Silicon / Single Crystal Silicon Lens

Infrared Silicon / High Resistance Silicon / Single Crystal Silicon Lens

Silicon (Si) is widely regarded as one of the most durable mineral and optical materials for applications in the near-infrared (NIR) range, approximately 1 μm to 6 μm.

Narrow Band Filters / Band Pass Filters

Narrow Band Filters / Band Pass Filters

A narrow bandpass filter is an expertly engineered optical filter specifically designed to isolate a narrow range of wavelengths while effectively rejecting all other wavelengths of light.

Wet three-dimensional vibrating sieve

Wet three-dimensional vibrating sieve

The wet three-dimensional vibrating sieving instrument focuses on solving the sieving tasks of dry and wet samples in the laboratory. It is suitable for sieving 20g - 3kg dry, wet or liquid samples.

Vibration Sieve

Vibration Sieve

Efficiently process powders, granules, and small blocks with a high-frequency vibration sieve. Control vibration frequency, screen continuously or intermittently, and achieve accurate particle size determination, separation, and classification.

Horizontal Planetary Ball Mill

Horizontal Planetary Ball Mill

Improve sample uniformity with our Horizontal Planetary Ball Mills. KT-P400H reduces sample deposition and KT-P400E has multi-directional capabilities. Safe, convenient and efficient with overload protection.


Leave Your Message