Description
Specifications Table
Product Name – Potassium nitrate, Puratronic|r, 99.995% (metals basis)
Quantity/Pack Size – 5g, 50g, 250g
Form – Crystalline powder
Grade – Puratronic (99.995% metals basis)
Application – Trace metal analysis, semiconductor fabrication, high-purity synthesis
Product Overview
This Puratronic-grade potassium nitrate represents the pinnacle of chemical purity, certified at 99.995% (metals basis) to meet the most demanding laboratory requirements. The crystalline powder undergoes rigorous purification processes to eliminate trace metallic contaminants, making it exceptionally suitable for applications where even ppb-level impurities can compromise results. Its consistent particle size distribution and negligible moisture content ensure reliable performance in quantitative analyses, while the ultra-low heavy metal content (typically <5 ppm combined) prevents interference in spectroscopic and electrochemical techniques. The material’s high thermal stability and predictable decomposition characteristics make it valuable in pyrotechnic research and specialized synthesis protocols. Packaged under inert conditions to prevent oxidation or hydration, this grade maintains its integrity during long-term storage. The Puratronic certification guarantees batch-to-batch consistency, with each lot accompanied by comprehensive traceability documentation and multi-element analysis reports. Unlike technical or reagent grades, this product’s exceptional purity profile eliminates the need for additional in-house purification steps, saving valuable lab time while delivering superior data quality.
FAQs
1. What distinguishes Puratronic-grade potassium nitrate from standard reagent grades?
The Puratronic designation indicates a minimum 99.995% purity on a metals basis, with individual metallic impurities typically below 1 ppm each. This exceeds standard reagent grades (usually 99-99.5%) by 1-2 orders of magnitude, making it suitable for applications where trace metal contamination would be problematic, such as semiconductor doping or ICP-MS calibration.
2. Can this product be used directly in electrochemical applications without further purification?
Yes, the ultra-low heavy metal content and negligible organic impurities make this potassium nitrate suitable for direct use in electrochemical cells, including cyclic voltammetry and impedance spectroscopy, where impurity levels in standard grades could affect redox potentials or create spurious peaks.
3. How does the particle size distribution compare to industrial-grade potassium nitrate?
This Puratronic-grade material features a tightly controlled particle size range (typically 90-150 microns) with minimal fines, unlike industrial grades that may contain irregular particles. The uniform morphology ensures consistent dissolution rates and homogeneous mixing in solid-state reactions.
4. What storage conditions are recommended to maintain the product’s purity specifications?
Store unopened containers in a cool, dry environment (15-25°C) with relative humidity below 40%. Once opened, reseal immediately using the provided desiccant pack and purge with nitrogen if possible. Avoid storage near strong acids or oxidizing agents to prevent potential contamination.
5. Are there any known incompatibilities with common laboratory materials?
While chemically stable under normal conditions, this high-purity potassium nitrate may react violently with strong reducing agents or combustible materials. Use only with PTFE, borosilicate glass, or high-purity quartz containers to prevent potential leaching of metal ions from stainless steel or other alloys during sensitive applications.
