Description
Specifications Table
Product Name – Starch Iodide Paper LR
Quantity/Pack Size – 5 books
Form – Paper strips
Grade – LR (Laboratory Reagent)
Application – Detection of oxidizing agents, qualitative analysis
Product Overview
Starch Iodide Paper LR is a specialized reagent paper designed for qualitative chemical analysis, particularly in detecting oxidizing agents. Each strip is uniformly impregnated with a starch-iodide solution that reacts visibly when exposed to oxidizing substances, producing a characteristic blue-black coloration. The LR (Laboratory Reagent) grade ensures consistent performance and reliability in laboratory settings. This paper is manufactured under controlled conditions to maintain sensitivity and minimize false positives. The non-bleeding formulation prevents color diffusion, allowing for clear, localized reactions. Starch iodide paper is particularly valued for its immediate visual feedback, eliminating the need for additional equipment. The 5-book pack provides an economical solution for frequent testing requirements. Each book contains individual strips that can be easily torn for single-use applications. The paper’s stability under normal laboratory conditions makes it suitable for both routine and specialized testing procedures.
FAQs
1. How does starch iodide paper detect oxidizing agents?
The paper contains potassium iodide which reacts with oxidizing agents to release iodine. The starch in the paper then forms a blue-black complex with the iodine, creating a visible color change.
2. Can this paper be used for quantitative analysis?
Starch iodide paper is primarily designed for qualitative detection rather than quantitative analysis. The intensity of color change can indicate relative concentration but isn’t precise enough for quantitative measurements.
3. What’s the shelf life of these strips?
When stored properly in a cool, dry place away from direct sunlight, the strips maintain their effectiveness for approximately 12-18 months from the date of manufacture.
4. Are there any substances that might interfere with the test?
Strong acids or bases may affect the paper’s sensitivity. Some reducing agents might also interfere with the reaction, potentially giving false negative results.
5. How should I dispose of used strips?
Used strips should be disposed of according to your laboratory’s chemical waste protocols, as they may contain reaction products from the substances being tested.
