ISO 17034 Certified • NIST SRM Traceable • For High-Accuracy Volumetric and Analytical Calibration

VWR Sodium Metaarsenite 0.05 mol/L (0.1 N), AVS TITRINORM, is a high-precision Certified Reference Material (CRM) specifically formulated for classical volumetric titrations, analytical method validation, and quality control in accredited laboratories. Manufactured according to ISO 17034 requirements and traceable to NIST Standard Reference Materials (SRM), this CRM guarantees full metrological reliability, accuracy, and reproducibility in all titration and calibration workflows.

The solution is supplied in a 1 L high-density plastic bottle, stable at ambient temperature, and fully accompanied by Certificates of Analysis (CoA) and Safety Data Sheet (SDS). It is ideal for laboratories performing regulatory-compliant calibration, method validation, and daily QA/QC operations.

Key Features & Advantages

Certified Reference Material (ISO 17034)

Produced under rigorous CRM manufacturing protocols to ensure traceability, consistency, and quantifiable uncertainty for high-quality analytical measurements.

NIST SRM Traceability

Each batch is directly traceable to NIST Standard Reference Materials, ensuring internationally accepted accuracy and compatibility with global analytical standards.

Ideal for Volumetric Calibration

Prepared at 0.05 mol/L (0.1 N), the solution is optimized for:

• Classical redox titrations
• Standardization of titrant solutions
• Calibration of analytical instruments and burettes
• Verification of method performance

Validated for Analytical Method Development

Suitable for:

• Creating working reference samples
• Evaluating detection limits
• Conducting linearity and precision studies
• Demonstrating method robustness during accreditation

Stable, Ready-to-Use CRM Solution

The reagent is supplied pre-standardized, eliminating the need for preparation or dilution and reducing risks associated with manual formulation.

Chemical & Regulatory Information

Applications

1. Classical Volumetric Titration

• Standardization of titrant solutions
• Calibration of sodium thiosulfate, iodine, or other redox titrants
• Establishing accurate equivalence points

2. Method Validation & Performance Verification

• Determination of detection limits (LOD)
• Linearity and range studies
• Intermediate precision and reproducibility checks
• Confirming robustness for ISO 17025 accreditation

3. Working Reference Sample Preparation

• Preparation of secondary working standards
• Laboratory internal QC samples
• Verification materials for routine analysis

4. Research & Academic Use

• Teaching laboratories for reference titrations
• Redox reaction demonstration and training
• Inorganic and environmental chemistry studies

Specifications

Quality documentation available:

• Certificate of Analysis (CoA)
• Safety Data Sheet (SDS)
• Lot-specific documentation traceable to NIST

VWR Sodium Metaarsenite 0.05 mol/L (0.1 N), AVS TITRINORM, is a precision-formulated Certified Reference Material designed to meet the highest standards of volumetric calibration and analytical method validation. With ISO 17034 certification, NIST traceability, and robust chemical stability, it delivers reliable, reproducible results for any laboratory engaged in high-accuracy titrimetric or QC workflows.