Heavy Metal Detection with ICP-MS

Inductively Coupled Plasma Mass Spectrometry (ICP-MS) is a highly sensitive analytical technique used for detecting trace and ultra-trace levels of metal impurities. The method involves ionizing samples in a high-temperature argon plasma (up to 10,000 K), converting elements into positively charged ions. These ions are then separated and quantified by a mass spectrometer based on their mass-to-charge ratio (m/z). ICP-MS offers exceptional detection limits (as low as parts per trillion, ppt), wide linear dynamic range, and multi-element capability, making it the gold standard for pharmaceutical metal impurity analysis in compliance with ICH Q3D, USP <232>/<233>, and EP 2.4.20.

Applications in Impurity Test

ICP-MS is the preferred choice for pharmaceutical metal impurity analysis due to its unmatched sensitivity, accuracy, and multi-element capability. ICP-MS achieves sub-ppb detection limits, enabling precise quantification of toxic elements (e.g., Cd, Pb, As, Hg) even at trace levels. The technique's wide linear dynamic range (up to 9 orders of magnitude) allows simultaneous analysis of major, minor, and trace elements without dilution. Additionally, collision/reaction cell technology effectively eliminates polyatomic interferences, ensuring high data accuracy. ICP-MS also supports speciation analysis (e.g., differentiating toxic As(III) from less harmful As(V)), which is critical for risk assessment. With full compliance with ICH Q3D guidelines, ICP-MS provides a future-proof solution for evolving regulatory requirements in pharmaceutical quality control.

ICP-MS is applicable to a broad range of pharmaceutical materials, including:

• Active Pharmaceutical Ingredients (APIs) and excipients for elemental impurity profiling.
• Drug products (tablets, capsules, injectables, biologics) to assess compliance with regulatory limits.
• Raw materials and intermediates to monitor potential contamination during manufacturing.

The technique is particularly valuable for high-throughput screening and routine quality control, ensuring product safety and regulatory compliance.

PharmaAnalytica's Technology Platform

PharmaAnalytica's ICP-MS-Based Impurity Test Service

PharmaAnalytica's ICP-MS-based metal impurity testing service combines cutting-edge technology, regulatory expertise, and customer-centric support to ensure pharmaceutical products meet the highest safety standards.

Fast Turnaround & High Efficiency

PharmaAnalytica leverages automated sample preparation and high-throughput ICP-MS systems to deliver rapid results without compromising accuracy.

Regulatory Compliance & Data Integrity

Our testing protocols strictly follow ICH Q3D, USP <232>/<233>, EP 2.4.20, and JP requirements. All data undergoes multi-level QC validation, including spike recovery, duplicate analysis, and reference material verification, ensuring audit-ready reports for global submissions

Cost-Effective & Scalable Solutions

We offer flexible pricing models tailored to R&D, QC, and commercial batch testing needs. Our one-stop testing solutions cover elemental impurity screening, leachables/extractables studies, and stability testing, reducing the need for multiple vendors.

24/7 Technical Support & Method Development

PharmaAnalytica's team of PhD-level scientists provides round-the-clock support for method optimization, troubleshooting, and regulatory consulting. Services include customized method development for complex matrices (e.g., biologics, liposomal drugs).

Whether for early-stage development, quality control, or regulatory submissions, our solutions deliver reliable, efficient, and fully compliant results.