Description
Specifications Table
Product Name – Starch, soluble LR
Quantity/Pack Size – 500 g
Form – Powder
Grade – LR (Laboratory Reagent)
Application – Qualitative analysis, iodine titration, indicator in redox reactions
Product Overview
Soluble Starch LR Grade is a high-purity, water-soluble polysaccharide designed for precise laboratory applications. This chemically stable reagent serves as an essential component in qualitative analysis, particularly in iodine titration and redox reaction studies. Its fine, free-flowing powder form ensures easy dissolution in water, forming a clear, stable solution that maintains consistency across experiments. The LR (Laboratory Reagent) grade guarantees low impurity levels, making it suitable for sensitive analytical procedures where accuracy is critical. Unlike regular starch, this soluble variant undergoes specialized processing to enhance its solubility and reactivity, ensuring reliable results in colorimetric assays and indicator-based tests. The product is packaged in a moisture-resistant container to preserve its integrity during storage, preventing clumping or degradation. Its neutral pH and lack of interfering substances make it compatible with a wide range of laboratory protocols, from educational demonstrations to advanced research applications. The 500 g pack size provides an economical option for frequent users while maintaining the reagent’s freshness over extended periods.
FAQs
1. What is the difference between soluble starch and regular starch?
Soluble starch undergoes additional processing to break down its molecular structure, making it fully dispersible in cold water. Regular starch requires heating for dissolution and may leave residues.
2. Can this starch be used for quantitative analysis?
While primarily designed for qualitative applications, it can support semi-quantitative work when properly standardized against known references.
3. How should I store soluble starch to maintain its properties?
Store in a tightly sealed container at room temperature, away from direct sunlight and moisture. Avoid temperature fluctuations to prevent condensation inside the packaging.
4. What solvents is this starch compatible with besides water?
It dissolves best in water. Partial solubility may occur in glycerol or ethanol-water mixtures, but water remains the optimal solvent for full dissolution.
5. Why does my starch solution appear cloudy after preparation?
Cloudiness typically results from incomplete dissolution or microbial contamination. Ensure proper mixing and use freshly prepared solutions for best results.
