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Lead-free GSR

Gunshot residue produced by ammunition using non-lead primer formulations (SINTOX, Diazol, or other variants). Does not contain the conventional Pb-Sb-Ba three-element combination; requires alternative EDS criteria per ASTM E1588 2011 update and ENFSI 2023 guidelines.

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Related terms

ASTM E1588Back-scattered electron (BSE)Characteristic X-rayEnergy-dispersive X-ray spectroscopy (EDS)FIB (Focused Ion Beam)Interaction volumeSecondary electron (SE)Silicon drift detector (SDD)Sputter coatingUltramicrotomeZAF correction

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