Description
Specifications Table
Product Name – Nitric Acid 67-70% Trace Analysis Grade
Quantity/Pack Size – 2.5 LTR | 2.5 LT
Form – Liquid
Grade – Trace Analysis
Application – Analytical chemistry, sample digestion, ICP-MS, AA spectroscopy
Product Overview
This 67-70% trace analysis grade nitric acid is engineered for laboratories requiring ultra-high purity reagents. The specialized purification process ensures exceptionally low levels of metal impurities (typically <0.0001%), making it indispensable for sensitive analytical techniques like ICP-MS, AA spectroscopy, and other trace element analyses. The concentrated formulation maintains stability while providing consistent reactivity for sample digestion and matrix preparation. Packaged in high-density polyethylene containers to prevent contamination, this acid meets stringent quality standards for research-grade applications. The precise concentration range of 67-70% offers optimal balance between reactivity and handling safety, with minimal residual contaminants that could interfere with analytical results. Each batch undergoes rigorous quality control to verify trace metal content and overall purity, ensuring reliable performance in critical laboratory procedures where even ppb-level impurities can compromise data integrity.
FAQs
1. What is the typical shelf life of this trace analysis nitric acid?
When stored properly in its original container at room temperature, this nitric acid maintains its specified purity for at least 24 months from the date of manufacture. The container should remain tightly sealed to prevent absorption of atmospheric moisture.
2. Can this acid be used for microwave-assisted digestion systems?
Yes, this trace analysis grade nitric acid is compatible with most microwave digestion systems. Its low impurity profile makes it particularly suitable for closed-vessel microwave digestion where contamination risks must be minimized.
3. What precautions should be taken when handling this concentrated acid?
Always wear appropriate PPE including acid-resistant gloves, safety goggles, and lab coat. Work in a properly ventilated fume hood, as the acid releases toxic nitrogen dioxide fumes. Have neutralizers like sodium bicarbonate readily available for spills.
4. How does this compare to reagent grade nitric acid?
Trace analysis grade has significantly lower impurity levels (typically 10-100x less) compared to standard reagent grade. It undergoes additional purification steps specifically to remove trace metals that could interfere with sensitive analytical techniques.
5. What’s the recommended procedure for verifying the acid’s purity before use?
For critical applications, perform a blank test by analyzing the acid itself using your intended analytical method. Compare results against the certificate of analysis provided with each batch to confirm impurity levels meet your requirements.
