X-ray analytical devices (XRD, XRF) equipment
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About X-ray analytical devices (XRD, XRF)
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What it is. X-ray analytical devices (XRD, XRF) is a key category of laboratory instrumentation, used across clinical, pharmaceutical, environmental, and academic research labs for a wide range of analytical and sample-handling applications.
Common instrument types. The x-ray analytical devices (xrd, xrf) category spans several instrument families and configurations, each suited to specific throughput, sensitivity, and budget requirements, from entry-level benchtop units to high-end systems.
Buying via Questpair. Refurbished and used x-ray analytical devices (xrd, xrf) instruments hold their value thanks to robust build quality and global service networks. Sourcing through Questpair gives buyers verified supplier credentials, standardized condition reporting, and side-by-side offers from multiple distributors, so you can compare price, condition, and warranty in one place.
Best for. X-ray analytical devices (XRD, XRF) equipment is an excellent fit for analytical chemistry, pharmaceutical QC, environmental and food testing, and high-throughput research labs that need reliable instrumentation with strong long-term serviceability.
X-ray analytical devices (XRD, XRF) is one of the most widely deployed instrument categories in analytical and life-science labs. In the refurbished and used market, x-ray analytical devices (xrd, xrf) instruments retain their value well thanks to build quality, global service networks, and broad adoption in regulated environments. When sourcing refurbished x-ray analytical devices (xrd, xrf) equipment through Questpair, buyers benefit from verified supplier credentials and standardized condition reporting.
Lab essential
A core instrument category found in the majority of analytical labs
Wide service network
Authorized service partners across 50+ countries
Broad supplier base
Offers from verified distributors, refurbishers, and resellers worldwide
Frequently asked questions
What does XRD stand for?
XRD stands for X-ray diffraction.
What does XRF stand for?
XRF stands for X-ray fluorescence.
How does X-ray diffraction work?
X-ray diffraction (XRD) is a phenomenon that occurs when a monochromatic source of x-ray radiation is scattered of a periodic structure on the nanometer scale. This gives rise to a pattern of constructive interferences under specific angles and wavelengths. When a crystal is sufficiently large X-ray diffraction (or X-ray crystallography) can be used to characterise the atomic and molecular structure of crystalline materials. It can be applied to many different molecules and has been successfully used to determine the structure of biological building blocks such as proteins, vitamins, DNA and other large molecules.
What is powder diffraction used for?
Even though in powder diffraction a diffractogram is measured at the same time for many different crystal orientations, different materials will still give different diffraction patterns. In addition, even different phases of a material of the same molecular structure give rise to a unique diffraction pattern. As such powder diffraction is suitable to quickly measure a fingerprint and compare it with previously measured fingerprints of known materials and phases.
Where is powder diffraction used?
Powder diffraction is commonly used for material characterisation to analyse and determine the chemical and physical properties of materials in chemical sciences, mineralogy, metallurgy, forensics, condensed matter physics, and molecular biology. In pharmaceutical and chemical industries it is also used to identify compounds and detect crystalline impurities.
How does X-ray fluorescence work?
In X-ray fluorescence studies the fluorescence or emission of secondary X-rays from a material that is exposed to X- or gamma rays. This phenomenon occurs because the high energy photons can bounce one or more electrons away from one of the inner orbitals of an atom. When electrons from a higher orbital falls in to fill the gap, a photon is emitted with an energy corresponding to the difference in energy between the two orbitals. Multiple orbital transitions are possible for a single atom, with their energy differences uniquely depending on the type of atom. Therefore, the recorded spectrum of emitted photons can be used to characterise the material.
Where is X-ray fluorescence used?
X-ray fluorescence is used in chemical analysis and elemental analysis to investigate materials such as glass, metals, ceramics and rocks. It is also used in scientific research, for example in combination with confocal microscopy to study hidden layers in ancient paintings or in geology to study the composition of minerals.
What is Powder Diffraction?
When a material is not present in a large single crystal but instead finer grained in the form of powders or many tiny single crystals, it is still possible to obtain crystallographic information. Contrary to single crystal diffraction where the crystal has a single unique orientation, powder diffraction uses X-ray, neutron, or electrons to construe a diffractogram of many crystals with different random orientations.