Medical Laboratory Testing: XRF
XRF (X-ray Fluorescence) testing quickly and accurately determines the elemental composition of materials without destroying the sample in most cases. The technique bombards the surface with X-rays and measures the fluorescent energy emitted by each element to identify and quantify metals and other constituents. For medical manufacturers, XRF is invaluable for verifying alloy chemistry in stainless steel instruments, titanium and cobalt-chrome implants, coatings, and device components to ensure they meet exact specifications for safety and performance.
Precise elemental composition is critical in medical metals and coatings. Even small deviations in carbon, sulfur, chromium, or other elements can affect corrosion resistance, mechanical strength, or biocompatibility. Applus+ Reliable Analysis already maintains accredited XRF capabilities alongside our full suite of metallic analysis, microhardness, and material characterization tools, allowing us to provide fast, reliable composition data for implants, surgical instruments, and finished devices.
These measurements support important standards such as ISO 10993-18 for chemical characterization and specific alloy specifications for orthopedic and cardiovascular products. Manufacturers use XRF results to confirm supplier materials, validate heat treatment, and strengthen regulatory documentation for FDA and EU MDR submissions. Reliable Analysis delivers clear, well-documented elemental profiles using equipment already operating daily under our ISO/IEC 17025 accreditation.
Common XRF Medical Testing Standards
ASTM E1621 for Elemental Analysis
ASTM E1621 provides comprehensive guidance for the use of wavelength dispersive X-ray fluorescence (WDXRF) spectrometry to determine the elemental composition of materials. The standard covers sample preparation, instrument calibration, measurement conditions, and data interpretation to achieve accurate and reliable results. Medical manufacturers use XRF to verify alloy chemistry in stainless steel surgical instruments, titanium and cobalt-chrome orthopedic implants, and metallic device components, ensuring compliance with material specifications and supporting biocompatibility documentation.
ASTM F562 Alloys for Surgical Implant Applications
ASTM F562 defines the chemical requirements for a high-performance cobalt-nickel-chromium-molybdenum alloy used in surgical implants and relies on techniques such as XRF for accurate elemental analysis. The specification ensures tight control of alloy composition to achieve the necessary mechanical properties and corrosion resistance. It is the primary standard for cardiovascular stents, orthopedic components, and load-bearing implantable devices where XRF helps verify that the material meets the required chemistry for long-term clinical performance.
ISO 17054 for Analysis of High Alloy Steels by X-ray Fluorescence Spectrometry
ISO 17054 specifies a routine XRF method for the analysis of high alloy steels, providing practical procedures for sample preparation and measurement of major and minor elements. The standard is particularly useful for stainless steels commonly used in surgical instruments and reusable medical devices. It enables rapid, accurate verification of alloy composition to support quality control and compliance with medical device standards.
USP <232> Elemental Impurities
USP <232> sets limits for elemental impurities in pharmaceutical and medical device materials, with XRF serving as an effective screening tool for heavy metals and other elements. The chapter provides guidance on acceptable limits and analytical approaches. It is widely applied to medical plastics, coatings, metallic components, and packaging to quickly screen for potentially toxic elements and support safety evaluations in patient-contact products.
Your Partner for Expert XRF Testing
Applus+ Reliable Analysis stands ready to support your medical device and material XRF elemental analysis needs. Our ISO/IEC 17025 accredited laboratory already maintains the necessary XRF spectrometer and supporting metallurgical capabilities, allowing us to efficiently add these medical standards with only minor validation and training.
Whether you are qualifying new orthopedic implants, verifying surgical instrument alloys, or ensuring composition in coated components, our team provides accurate and reliable data backed by decades of materials testing expertise. We invite you to Contact us to discuss how our expanded medical testing capabilities can support your next project or regulatory submission.
Additional Applus+ Reliable Analysis’ Commercial Medical Testing Capabilities
Whether it be material EMC, environmental, fabrication, or durability testing, Applus+ Reliable Analysis has a full lab of test equipment, which permits us to provide short lead times on scheduling. Our team strives to give our customers more time and energy on product development rather than testing.
Below is a list of common medical testing types that Reliable Analysis offers. Don’t see what you are looking for? Contact us, and we will determine the best course of action.
