Description
Specifications Table
Product Name – Potassium chromate LR
Quantity/Pack Size – 500 g
Form – Orange-yellow crystalline powder
Grade – Laboratory Reagent (LR)
Application – Oxidizing agent, analytical chemistry, corrosion inhibitors
Product Overview
Potassium chromate LR is a high-purity, orange-yellow crystalline compound widely used in laboratory applications requiring precise oxidation-reduction reactions. With a guaranteed purity of 99%, this reagent-grade chemical ensures accurate results in qualitative analysis, redox titrations, and as a corrosion inhibitor in metal surface treatments. Its stable composition and low moisture content make it ideal for applications where consistency is critical. The LR grade designation confirms its suitability for general laboratory use, including educational demonstrations and routine analytical procedures. As a strong oxidizing agent, potassium chromate requires careful handling and storage in tightly sealed containers away from organic materials and reducing agents. The 500g pack size offers an optimal balance between bulk purchasing efficiency and freshness preservation, minimizing waste while ensuring sufficient quantity for repeated experiments. This product meets international quality standards for laboratory reagents, providing researchers and technicians with a reliable chemical for their experimental needs.
FAQs
1. What is the difference between potassium chromate LR and AR grades?
Potassium chromate LR (Laboratory Reagent) grade is suitable for general lab applications with 99% purity, while AR (Analytical Reagent) grade offers higher purity (typically 99.5%+) for more sensitive analytical procedures.
2. Can this be used for quantitative analysis?
While primarily used for qualitative analysis, potassium chromate LR can be employed in quantitative methods when properly standardized against primary standards.
3. What precautions should be taken during storage?
Store in a cool, dry place in tightly sealed containers, separated from organic materials, reducing agents, and combustible substances to prevent decomposition.
4. Is this product compatible with glassware?
Yes, potassium chromate LR is compatible with standard borosilicate glassware, though prolonged contact may cause slight etching at high concentrations.
5. What alternatives exist for similar applications?
Potassium dichromate can serve as an alternative oxidizing agent, though it has different solubility properties and redox potentials that may require protocol adjustments.
