Testing the lead content in glazes used for porcelain sculptures is critical for ensuring safety and regulatory compliance. Here’s a step-by-step guide to accurate testing:

1. XRF Analysis: X-ray fluorescence (XRF) is a non-destructive method that quickly detects lead levels in glazes without damaging the artwork. Portable XRF devices are ideal for studio use.

2. Lab-Based ICP-MS: For precise quantification, inductively coupled plasma mass spectrometry (ICP-MS) provides highly accurate results by analyzing dissolved glaze samples in a lab setting.

3. Lead Test Kits: Affordable and accessible, chemical swab kits can indicate the presence of lead but may lack precision for low concentrations.

4. Regulatory Standards: Compare results with safety thresholds (e.g., ASTM F963 or EU Directive 84/500/EEC) to ensure compliance for functional or decorative pieces.

5. Glaze Reformulation: If lead is detected, replace hazardous components with safer alternatives like boron-based fluxes.

Always document testing procedures and results for certifications or client transparency. Prioritize safety to protect artists, collectors, and end-users from lead exposure risks.