Description

Mercury198 CAS NO 13981-21-0 is a radioactive isotope of mercury, specifically the metastable nuclear isomer of mercury-198. This specialized material is critical for applications requiring a γ-ray source with a specific energy profile. It is primarily utilized in industrial radiography, medical device calibration, and as a tracer in advanced research. Our supply ensures high isotopic purity and reliable activity for demanding technical and scientific applications.

Application

• Industrial Radiography: Used as a sealed γ-ray source for non-destructive testing (NDT) to inspect welds, castings, and structural components.
• Medical Device Calibration: Serves as a calibration standard for gamma cameras, spectrometers, and other radiation detection equipment in healthcare and research facilities.
• Scientific Research Tracer: Employed in metallurgical, environmental, and chemical process studies to track material flow and distribution.
• Density and Level Gauging: Integral component in fixed and portable gauges used in mining, construction, and manufacturing for material analysis.
• Educational Reference Source: Provides a known gamma emission for academic training in nuclear physics and radiation safety programs.

Basic Information

Product Name	Mercury198
CAS No.	13981-21-0
Molecular Formula	198mHg
Molecular Weight	197.97 g/mol (atomic mass)
Synonyms	Mercury-198m; Hg-198m; 198mHg; Mercury 198 metastable; Radioactive Mercury-198; Mercuric-198m; EINECS Contact for details

Quality Control

Our Mercury198 is produced and handled under strict quality protocols to ensure isotopic purity and specified activity. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing radionuclidic purity, activity concentration, and calibration date. Our quality system adheres to relevant radiation safety and material handling standards to guarantee supply reliability and consistency for your critical processes.

Storage

Preserve in a tightly closed, specially designed container, protected from light. Store in a dedicated, secure, and well-ventilated area designated for radioactive materials, in compliance with all local and international regulations for radiation safety. Due to its highly volatile nature, storage temperature should be controlled and stable. Handle only by trained personnel using appropriate shielding and safety equipment.

Specification

Item	Specification
Appearance	Metallic solid (sealed source)
Radionuclide	198mHg
Principal Gamma Energy	375 keV
Half-life	Approx. 42.6 minutes
Radionuclidic Purity	> 99%
Specific Activity	Contact for details
Source Configuration	Sealed in double-encapsulated stainless steel

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