Reduction

The chemical process of converting the lead ore into molten lead

Refining

The process of removing unwanted contaminants by various treatments carried out on a bath of molten lead

REM

Remington, bullet manufacturer

RF

Radio-Frequency

RSD

Relative Standard Deviation


Sb

Antimony, an element used to harden lead for bullets.

SD

Standard Deviation

Secondary lead smelter

An organization that remelts scrap lead from various sources and carries out refining and alloying operations to produce lead ingots, pigs, billets, etc. of specified composition for further processing and/or product formation

Slug

A cylinder of lead that has been cut for an extruded wire and that approximates the size (length and diameter) of the finished bullet

Sn

Tin, a metallic element also used for hardening lead, but it is more expensive and less effective than antimony. Also a metal sometimes present as an impurity in bullet lead

SRM

Standard Reference Material

SSMS

Spark Source Mass Spectrometry

Suspect bullet

Unused cartridges in the possession of a suspect

Swage

An operation that involves rotary forging, employing rotating dies that periodically open and close, used to reduce the diameter of rods, wires, or tubes. (Often used in the firearms industry to mean pressing of a slug into a bullet.)


TIMS

Thermal Ionization Mass Spectrometry


WDXRF

Wavelength Dispersive X-Ray Fluorescence

WIN

Winchester, bullet manufacturer

Wire

A long piece of lead of the correct diameter used to produce a desired caliber bullet, formed by extrusion

Statistical Terminology

Ka

critical value

ta

critical value

σ

within-bullet standard deviation



The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement