Description

Lanthanum138 CAS NO 15816-87-2 is a high-purity, stable isotope of the rare earth element lanthanum, specifically the isotope with mass number 138. This material is critical for advanced research and industrial applications requiring precise isotopic composition and minimal neutron absorption cross-section. It is essential for sectors such as nuclear technology, specialized catalysis, and high-performance material science where isotopic purity directly impacts process efficiency and product performance.

Application

• Nuclear Industry: Used as a neutron absorber or in control rod materials due to its specific nuclear properties.
• Research & Spectroscopy: Serves as a tracer or standard in isotopic analysis, mass spectrometry, and nuclear magnetic resonance (NMR) studies.
• Advanced Catalysis: Employed in the development of specialized catalysts for petroleum refining and chemical synthesis where isotopic effects are studied.
• Electronic Materials: A component in the production of specialized ceramics, phosphors, and optical glasses with tailored properties.
• Medical Isotope Production: Potential precursor or target material in the generation of other medical isotopes.
• Geochemical Tracers: Applied in geological and environmental studies to trace processes and date materials.

Basic Information

Product Name	Lanthanum138
CAS No.	15816-87-2
Molecular Formula	La (Isotope 138)
Molecular Weight	137.91 g/mol (Atomic Mass)
Synonyms	Lanthanum-138; 138La; Lanthanum, isotope of mass 138; La-138; Stable Lanthanum Isotope 138; Lanthanum 138 isotope; Lanthanum (138La)
EINECS	Contact for details

Quality Control

Our Lanthanum138 is produced and handled under stringent quality management systems. Each batch undergoes rigorous analysis to confirm isotopic purity, chemical purity, and the absence of specific contaminants. Certificates of Analysis (COA) are provided, detailing results from advanced techniques like Inductively Coupled Plasma Mass Spectrometry (ICP-MS) and Glow Discharge Mass Spectrometry (GDMS). We ensure compliance with relevant material specifications for research and industrial use.

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 contamination and moisture absorption. Isolate from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	Metal lump, foil, or powder
Isotopic Purity (138La)	>99.9% (atom)
Chemical Purity (La basis)	>99.9% (metals basis)
Identification (ICP-MS)	Conforms
Neutron Absorption Cross-Section	Contact for details
Trace Metallic Impurities (GDMS)	< 100 ppm total

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