Description

Sulfur Aa Standard CAS NO 68515-96-8 is a high-purity chemical standard used for analytical calibration and quality control in various industrial processes. This product is essential for ensuring measurement accuracy and consistency in laboratories and production facilities that require precise sulfur quantification. It is primarily utilized by the petrochemical, environmental testing, and materials science industries for instrument calibration, method validation, and as a reference material.

Application

• Primary standard for calibrating sulfur analyzers and detectors in petroleum and fuel testing laboratories.
• Reference material for validating analytical methods in environmental monitoring (e.g., SOx emissions, water analysis).
• Quality control standard in the production of rubber, where sulfur is a key vulcanizing agent.
• Calibration standard for elemental analysis in agricultural and fertilizer research.
• Used in pharmaceutical and chemical manufacturing for process control and impurity profiling.
• Essential for academic and industrial research in materials science and catalysis.

Basic Information

Product Name	Sulfur Aa Standard
CAS No.	68515-96-8
Molecular Formula	S (elemental sulfur)
Molecular Weight	32.06 g/mol
Synonyms	Sulfur Standard; Elemental Sulfur Standard; Sulfur AA Standard; Sulfur ICP Standard; Sulfur ICP-MS Standard; Sulfur Calibration Standard; Sulfur Reference Material; Brimstone Standard
EINECS	Contact for details

Quality Control

Our Sulfur Aa Standard is manufactured under strict quality management protocols. Each batch undergoes rigorous analysis to ensure traceability, homogeneity, and certified concentration values. A comprehensive Certificate of Analysis (COA) is provided, detailing the assay, uncertainty, and traceability to national or international standards (e.g., NIST). Our quality system is designed to meet the needs of ISO/IEC 17025 accredited laboratories.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is light-sensitive and easily oxidized; prolonged exposure to air and light should be avoided to maintain its certified value and stability.

Specification

Item	Specification
Appearance	Yellow solid or solution (as specified)
Identification	Conforms (IR / ICP-OES)
Assay (as S)	≥ 99.9% (or certified value provided on COA)
Trace Metals (ICP-MS)	≤ 10 ppm total
Solvent/Matrix	Specified on COA (e.g., Mineral Oil, Kerosene, Organic Solvent)
Certified Value & Uncertainty	Provided on COA
Homogeneity	Conforms
Stability	Stable under recommended storage conditions

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