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Lead 204 Metal Isotope

204Pb122
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Lead 204 Metal
PB-M-204-ISO
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Lead 204 Metal (Lead-204) is a stable (non-radioactive) isotope of Lead. See below table for ENSDF Citation and Half Life. It is both naturally occurring and a produced by fission. Lead 204 Metal is one of over 250 stable Metallic isotopes produced by American Elements for biological and biomedical labeling, as target materials and other applications. Lead Metal 204 additionally has special application in isotope dilution to measure lead levels in blood. Lead Metal is also available in ultra high purity and as nanoparticles. For thin film applications it is available as rod, pellets, pieces, granules and sputtering targets and as either an ingot or powder. Lead Metal 204 isotopic material is generally immediately available. Additional technical, research and safety (MSDS) information is available as is a Reference Calculator for converting relevant units of measurement.

Lead is a Block P, Group 14, Period 6 element. The electronic configuration is [Xe] 4f14 5d10 6s2 6p2. In its elemental form lead's CAS number is 7439-92-1. The lead atom has a radius of 175.pm and it's Van der Waals radius is 202.pm. Lead is a bluish-white metal of bright luster, naturally occurring as a mixture of four stable isotopes: 204Pb (1.48%), 206Pb (23.6%), 207Pb (22.6%), and 208Pb (52.3%). It is highly resistant to corrosion and can be used to contain corrosive liquids such as sulfuric acid. Great quantities of Lead, both as the dioxide and the metal, are used in batteries, cable covering, plumbing, and ammunition. Alloys include solder, type metal, and various antifriction metals and compounds. Lead is extremely effective at absorbing sound and vibration. It is also used as radiation shielding for X-ray equipment and nuclear reactors. Oxides of Lead are used in producing fine "crystal glass" and "flint glass" of a high index of refraction for achromatic lenses. Lead ceramics and crystalline material have a wide range of industrial and optical applications, including infrared detection and imaging. Lead-based semiconductors, such as lead telluride, lead selenide and lead antimonide are finding application in photovoltaic (solar energy) cells and infra red detectors.

Formula N ENSDF Citation Half Life Jp Sn (keV) Sp (keV) Abundance
204Pb 82 NDS 72,409 (1994) >1.4E17 y      0+ 8394  6 6637.2  3 1.4  1  %
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Recent Research & Development for Lead

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