VWR Sodium Metaarsenite 0.1 M (0.2 N) is a high-quality aqueous standard solution designed for precise volumetric titrations, redox reactions, and analytical calibration workflows. Supplied in a chemically resistant 1 L amber glass bottle, this ready-to-use solution offers reliable performance for laboratories requiring stable arsenite standards for method development, calibration, and quality control.

Manufactured under strict quality guidelines, the solution ensures accurate concentration, consistent chemical purity, and stable performance under ambient storage conditions.

Key Features & Benefits

Accurate and Ready-to-Use

Pre-formulated at 0.1 M (0.2 N) to eliminate preparation steps and minimize dilution errors, ensuring consistent results across all titrimetric applications.

Ideal for Redox Titrations

Sodium metaarsenite is widely used in:

• Redox titration of iodine and iodine-liberating species
• Standardization of oxidizing agents
• Analytical chemistry procedures requiring arsenite as a primary reagent

High Chemical Purity

Formulated using high-grade sodium metaarsenite (NaAsO₂) with controlled impurity levels and stable aqueous composition.

Suitable for QA/QC and Method Development

Supports:

• Method validation
• Working reference sample preparation
• Accuracy, precision, and linearity studies
• Volumetric instrument calibration

Safe, Durable Packaging

Supplied in an inert 1 L glass bottle, ensuring long-term stability and protection of the solution.

Chemical & Regulatory Information

Applications

1. Classical Volumetric Titrations

• Standardization of oxidizing agents
• Iodometric titration systems
• Arsenite–iodine redox reactions
• Analytical standardization procedures

2. Analytical Method Validation

• Linearity and calibration curve generation
• Accuracy and precision assessment
• Method robustness testing
• Preparation of internal working standards

3. Quality Control & Laboratory Routine Use

• Daily titration verification
• Redox-based QA protocols
• Instrument calibration (burettes, automatic titrators)

4. Research, Education, and Industrial Use

• Academic teaching laboratories
• Environmental and chemical analysis
• Industrial R&D workflows

Specifications

Documentation Available:

• Certificate of Analysis (CoA)
• Safety Data Sheet (SDS)
• Lot-specific documentation
• Product literature for volumetric solutions

VWR Sodium Metaarsenite 0.1 M (0.2 N) in Aqueous Solution is a reliable, ready-to-use volumetric standard ideal for titrations, method validation, and calibration workflows. Its consistent concentration, high purity, and robust glass packaging make it an excellent choice for laboratories requiring dependable performance and reproducibility in their analytical procedures.