Rapid and sensitive analysis of trace elements in medicinal Codonopsis pilosula using laser-induced breakdown spectroscopy assisted by a micro-array copper sieve

Key Points

• The research aims to improve the detection of trace elements in Codonopsis pilosula using enhanced techniques.
• Utilized laser-induced breakdown spectroscopy (LIBS) for analysis
• Employed a micro-array copper sieve to enhance signal intensity
• Analyzed powder samples of Codonopsis pilosula
• Increased signal intensity from trace elements
• Improved overall analytical sensitivity of LIBS technique