Description
Specifications Table
Product Name – Indicator paper, pH 2 – 10.5 Indicator
Quantity/Pack Size – 10 books
Form – Paper strips
Grade – Laboratory grade
Application – pH testing of liquids, semi-solids, and surfaces
Product Overview
The pH 2-10.5 indicator paper is a versatile, high-precision tool designed for accurate pH measurement across a broad spectrum. Each strip features a colorimetric scale that responds to hydrogen ion concentration, providing instant visual results without the need for calibration or electronic devices. The paper is manufactured with non-bleeding dyes to prevent color contamination, ensuring reliable readings even in low-concentration samples. Its wide pH range (2-10.5) makes it suitable for testing everything from strongly acidic to mildly alkaline solutions, with incremental sensitivity for intermediate values. The included color comparison chart offers 14 distinct reference points for granular pH differentiation. Made from high-absorbency cellulose, these strips deliver consistent performance with minimal sample volume requirements. The compact book format protects the strips from environmental exposure while allowing easy single-strip dispensing. This indicator paper maintains stability under standard lab conditions, with a shelf life of 24 months when stored in its original packaging. Its chemical resistance to common solvents and buffers further enhances its utility in diverse testing scenarios.
FAQs
1. How quickly does the indicator paper show results after contact with a sample?
The color change occurs within 1-2 seconds of contact, with full stabilization in under 10 seconds for accurate reading.
2. Can this pH paper be used to test semi-solid substances like gels or pastes?
Yes, the paper works with semi-solids by either direct contact or by first creating a dilute solution with distilled water for better color development.
3. What’s the difference between this and litmus paper?
Unlike litmus paper which only indicates acid/alkaline extremes, this provides a full 2-10.5 pH range with 14 distinct color gradations for precise measurement.
4. How should unused strips be stored to maintain accuracy?
Keep the book sealed in its original packaging at room temperature (15-30°C) away from direct sunlight, moisture, and volatile chemicals.
5. Does the paper work with non-aqueous solutions like alcohols or oils?
The paper is optimized for aqueous solutions but can indicate approximate pH in water-miscible solvents; results may vary in pure oils or hydrophobic liquids.
