Description
Specifications Table
Product Name – Silver nitrate, 0.01 mol/L (0.01 N) AVS TITRINORM® volumetric solution
Quantity/Pack Size – 1 L
Form – Liquid (aqueous solution)
Grade – Titrimetric standard (AVS TITRINORM®)
Application – Volumetric analysis, argentometric titrations, chloride determination
Product Overview
This 0.01N silver nitrate volumetric solution is a high-purity, pre-standardized reagent designed for precise titrimetric applications in analytical laboratories. Formulated under strict quality controls, the AVS TITRINORM® certification guarantees accurate molar concentration (0.01 mol/L) with negligible deviation, eliminating the need for in-house standardization. The solution is prepared using ultra-pure silver nitrate dissolved in deionized water, ensuring minimal ionic interference and exceptional stability over time. Its clear, colorless appearance indicates absence of contaminants like halides or heavy metals that could compromise titration endpoints. The solution is particularly optimized for argentometric titrations, where it forms insoluble silver halides with chloride, bromide, or iodide ions, enabling sharp visual or potentiometric endpoint detection. Packaged in a 1L HDPE bottle with a tamper-evident seal, the solution resists photodegradation and maintains concentration integrity for up to 12 months when stored as directed. Unlike solid silver nitrate, this liquid form eliminates weighing errors and dissolution steps, streamlining workflows while maintaining traceability to NIST standards. The low normality (0.01N) is ideal for micro-scale analyses or samples with low analyte concentrations, providing better resolution in back-titration scenarios.
FAQs
1. What is the exact shelf life of this 0.01N silver nitrate solution when unopened?
The unopened solution remains stable for 12 months from the date of manufacture when stored in its original container at 15–25°C, protected from direct sunlight. The AVS TITRINORM® certification covers this period without requiring recalibration.
2. Can this solution be used for Mohr’s method titrations without further adjustment?
Yes, the solution is suitable for Mohr’s method as it contains no interfering ions that would precipitate with chromate indicators. However, ensure your sample pH is neutral (6.5–10) to avoid silver hydroxide formation, which could cloud the endpoint.
3. How does the AVS TITRINORM® certification differ from standard analytical-grade silver nitrate?
AVS TITRINORM® solutions undergo dynamic standardization against primary reference materials, with certificates providing exact normality values and uncertainty ranges. Standard analytical-grade reagents require user standardization, while this solution is ready for immediate use with documented traceability.
4. Is this solution compatible with automatic titrators, and what electrode is recommended?
The solution is fully compatible with automatic titrators. For argentometric titrations, a silver/sulfide combination electrode (e.g., Metrohm 6.0430.100) is recommended to detect the inflection point accurately, especially for colored or turbid samples where visual endpoints are unreliable.
5. What precautions should be taken when handling this solution compared to solid silver nitrate?
While the solution avoids dust inhalation risks associated with solid silver nitrate, it still requires handling in a fume hood due to potential nitric acid fumes. Use nitrile gloves and safety goggles, as the solution can stain skin black on contact and corrode metals like copper or brass.
