Gunshot residue (GSR) analysis plays an important role in the determination of when a firearm has been used in a crime. Established GSR analysis techniques are based on the use of a scanning electron microscope (SEM), which is used to scan the sample and find suspect GSR particles. If a suspect particle is found, energy dispersive spectroscopy (EDS) is used to identify the chemical composition of that particle. Most common search criteria are the presence of Pb, Sb, and Ba. However, detection of Pb-free primers, such as Ti and Zn, is a requirement as well.
Phenom GSR Desktop SEM is the world’s first dedicated desktop SEM that can run automated GSR analysis. It is based on the Phenom XL G2 Desktop SEM.
Product model | Phenom GSR | Phenom Pro | Phenom Pure |
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Full name of the product | Phenom GSR | Phenom Pro G6 Desktop SEM | Phenom Pure G6 Desktop SEM |
Light optical | 3 - 19 X | 27 - 160 X | 27 X |
Electron optical | 200,000 X | 350,000 X | 175,000 X |
Resolution | ≤ 8 nm | ≤ 6 nm | ≤ 10 nm |
Electron source | Long lifetime thermionic source (CeB6) | Long lifetime thermionic source (CeB6) | Long lifetime thermionic source (CeB6) |
Color navigation camera | Color | Color | Color |
Acceleration voltages | 4.8 kV – 20.5 kV | 4.8 kV - 20.5 kV | 5 kV, 10 kV |
Vacuum Mode | Integrated low-/medium-/high-vacuum modes standard | Low - High | Low - High |
Detector | BSD SED(Optional) EDS |
BSD SED(Optional) |
BSD SED EDS(Optional) |
Fully automatic function | Gunshot residue (GSR) analysis | ||
Download Center | Product Brochure | Product Brochure | Product Brochure |
Completely shockproof
Convenient parameter settings
Easy to operate
Color navigation camera
Loading samples
Desktop SEM with EDS
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