IEC 62321-13:2026

Overview

IEC 62321-13:2026 is an international standard published by the International Electrotechnical Commission (IEC) for the determination of Bisphenol A (BPA) in plastics used in electrotechnical products. This standard provides globally recognized testing methods using liquid chromatography–diode array detection (LC-DAD), liquid chromatography-mass spectrometry (LC-MS), and liquid chromatography-tandem mass spectrometry (LC-MS/MS). The aim is to accurately measure the levels of free BPA present in plastic matrices such as polycarbonate (PC), polycarbonate/acrylonitrile butadiene styrene (PC/ABS), and polypropylene (PP), supporting compliance with environmental regulations and industry best practices.

Key Topics

• Scope of Measurement IEC 62321-13:2026 outlines analytical techniques specifically for the detection and quantification of free Bisphenol A in plastic materials of electrotechnical products. It covers:

  • PC, PC/ABS, and PP matrices containing 20 mg/kg to 500 mg/kg of BPA.
  • Test method procedures, sample preparation, and quality control criteria.

• Analytical Methods The standard details three instrumental methods:

  • LC-DAD: Enables detection of BPA via ultraviolet absorption.
  • LC-MS: Combines liquid chromatography with mass spectrometry for improved specificity.
  • LC-MS/MS: Offers tandem mass spectrometry for enhanced sensitivity and confirmation. These validated methods ensure reliable BPA measurement in products aimed at global and regional regulatory compliance.

• Testing Conditions & Calibration The standard provides:

  • Requirements for lab equipment and reagents with high purity to prevent contamination.
  • Guidelines for preparation of calibration solutions, standard curves, and internal standards for precise quantification.

• Sample Preparation and Extraction Procedures for:

  • Safe sampling and homogenization of product materials.
  • BPA extraction using ultrasonic baths, specific solvent mixtures, and strict measures to avoid thermal or cross-contamination.

• Quality Assurance Emphasis on maintaining data accuracy through internal standards, calibration verification, and method validation. Users are reminded to comply with local laboratory safety practices and health regulations.

Applications

• Regulatory Compliance Enables manufacturers and laboratories to demonstrate conformance with substance restrictions under regulations such as EU RoHS, REACH, and other emerging global standards concerning BPA in electrical and electronic equipment.

• Product Testing and Assessment Supports internal quality control, product certification, and due diligence in the supply chain by:

  • Testing raw materials and finished products for BPA content.
  • Ensuring materials meet prescribed safety thresholds to mitigate environmental and health risks.

• Material Research and Development Assists R&D teams in evaluating new plastic formulations and substitutes for BPA, fostering safe innovation in sustainable electrotechnical products.

Related Standards

• IEC 62321-1: Introduction and overview of substance determination in electrotechnical products.
• IEC 62321-2: Sample disassembly, preparation, and mechanical processing methods.
• ISO 3696: Specifications concerning laboratory water quality for analytical testing.
• Other series in IEC 62321: Cover methods for lead, cadmium, mercury, and other regulated substances.

For organizations engaged in the design, production, and testing of electrical and electronic products, IEC 62321-13:2026 provides a robust, harmonized framework for BPA detection and quantification, supporting global market access and sustainable electronics manufacturing.