Description

Gadolinium158 CAS NO 15068-71-0 is a stable isotope of the rare earth element gadolinium, specifically the isotope with mass number 158. This high-purity material is critical for advanced research and industrial applications requiring precise isotopic composition and minimal neutron absorption cross-section. It is primarily utilized by the nuclear industry, scientific research laboratories, and in the development of specialized optical and electronic materials where specific isotopic properties are paramount.

Application

• Nuclear Reactor Control Rods and Shielding: Used as a burnable poison or neutron absorber due to its high neutron capture cross-section for specific isotopes, contributing to reactor safety and longevity.
• Scientific Research & Spectroscopy: Serves as a crucial standard and target material in nuclear physics experiments, mass spectrometry, and for calibrating analytical instruments.
• Medical Isotope Production: Acts as a target material for the production of other medical radioisotopes in particle accelerators (cyclotrons).
• Dopant for Advanced Materials: Used in the synthesis of specialized ceramics, glasses, and crystals to modify magnetic, optical, or electrical properties.
• Neutron Detection & Activation Analysis: Employed in detectors and as a flux monitor in neutron activation analysis systems for precise elemental analysis.

Basic Information

Product Name	Gadolinium158
CAS No.	15068-71-0
Molecular Formula	Gd (¹⁵⁸Gd isotope)
Molecular Weight	157.9241 g/mol
Synonyms	¹⁵⁸Gd; Gadolinium-158; Gd-158; Gadolinium, isotope of mass 158; Gadolinium 158 isotope; Stable Gadolinium Isotope 158; Gadolinium (¹⁵⁸Gd)
EINECS	Contact for details

Quality Control

Our Gadolinium158 is produced and handled under stringent quality protocols to ensure isotopic purity and chemical consistency. Each batch is analyzed using high-resolution mass spectrometry to confirm isotopic enrichment levels and screened for metallic impurities via ICP-MS or ICP-OES. A comprehensive Certificate of Analysis (COA) detailing isotopic abundance, chemical purity, and trace element content is provided with every shipment to guarantee material integrity for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep the container sealed to prevent oxidation and contamination from atmospheric moisture or particulates. Store away from incompatible materials.

Specification

Item	Specification
Appearance	Metal pieces, foil, or powder
Isotopic Enrichment (¹⁵⁸Gd)	> 95.0% (Typical >98.0%)
Chemical Purity (Gd basis)	> 99.9% (Metals basis)
Identification (MS)	Conforms
Trace Rare Earth Impurities	< 1000 ppm (Total)
Other Metallic Impurities (ICP-MS)	< 100 ppm (Total)

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.