GDMS

What Is GDMS?

GDMS uses a glow discharge plasma to sputter atoms directly from the surface of a solid sample. These atoms are then ionized and analyzed by mass spectrometry, allowing direct measurement of elemental composition without complex chemical digestion.

Unlike surface-sensitive techniques, GDMS rapidly reaches a steady-state condition and provides representative bulk composition data.

What GDMS Measures

GDMS can detect and quantify:

Major, minor, and trace elements
Ultra-trace impurities (often down to ppm or sub-ppm levels)
Bulk elemental composition
Metallic and inorganic impurity profiles
Elemental purity of high-grade materials

GDMS is particularly effective for detecting elements that are difficult to analyze using other techniques.

Why Use GDMS?

GDMS is chosen when you need:

reliable bulk elemental analysis
ultra-trace impurity detection
minimal sample preparation
comprehensive multi-element coverage

Typical questions GDMS can answer:

What is the true elemental purity of this material?
Are trace impurities present that could affect performance?
How do different suppliers compare in elemental cleanliness?
Did processing introduce unwanted elements?
Are impurities linked to failure or degradation?

Typical Application Scenarios

High-Purity Metals & Alloys

Purity certification and qualification
Trace impurity monitoring
Supplier comparison and validation

Semiconductor & Electronic Materials

Bulk elemental analysis of targets and materials
Impurity control for critical applications
Support for reliability and yield improvement

Advanced Materials & Specialty Alloys

Elemental profiling of complex alloys
R&D support for new material development
Comparison of processing routes

Failure Analysis & Troubleshooting

Identification of trace contaminants contributing to failure
Comparison of “good vs. failed” materials
Root-cause analysis linked to elemental impurities

Quality Control & Supplier Qualification

Incoming material inspection
Batch-to-batch consistency verification
Long-term impurity trend monitoring

Sample Types

GDMS is commonly applied to:

metals and alloys
high-purity materials
conductive inorganic solids
sputtering targets and bulk components

Samples must typically be electrically conductive or made conductive. Xinbodi can advise on sample preparation and feasibility.

What You Will Receive

Each GDMS project is delivered with a clear, structured report suitable for engineering and quality decisions. A typical deliverable includes:

test objective and sample description
GDMS operating conditions
quantitative elemental results
impurity concentration tables
comparison summaries (supplier vs. supplier, batch vs. batch)
interpretation of impurity impact on material performance
recommendations for corrective action or follow-up analysis

Why Choose Xinbodi for GDMS?

Expertise in ultra-trace elemental analysis
High sensitivity across a wide elemental range
Reliable bulk composition data
Clear interpretation focused on application impact
Support for R&D, QC, and failure investigations
Strict confidentiality for proprietary materials and data