Description
Specifications Table
Product Name – Indicator paper, pH 6.5 – 9 Indicator
Quantity/Pack Size – 10 books
Form – Paper strips
Grade – Laboratory grade
Application – pH testing in alkaline range (6.5-9)
Product Overview
This high-quality pH 6.5-9 indicator paper delivers exceptional accuracy for testing solutions within the narrow alkaline range, making it indispensable for laboratory environments where precise pH monitoring is critical. Each strip undergoes rigorous quality control to ensure consistent color transitions at defined pH thresholds, eliminating ambiguity in results. The paper’s specialized formulation provides clear, distinct color changes that are easily interpretable even in low-light conditions, reducing the potential for human error during testing procedures. Manufactured using non-bleeding dyes that maintain stability over extended periods, these indicator strips resist environmental degradation while maintaining their sensitivity. The compact book format allows for convenient single-strip dispensing, minimizing contamination risks between tests. Designed for immediate response, the paper requires no pre-treatment or calibration, delivering reliable readings within seconds of contact with test solutions. Its neutral background ensures optimal color contrast for accurate visual interpretation across the entire 6.5-9 pH spectrum. The indicator paper’s chemical composition has been optimized to prevent false positives from common laboratory contaminants, ensuring dependable performance in diverse testing scenarios.
FAQs
1. What is the shelf life of this pH indicator paper when stored properly?
The indicator paper maintains its accuracy for 24 months from the date of manufacture when stored in its original packaging away from direct sunlight and moisture. The sealed book format helps preserve the reactive chemicals on each strip, though we recommend checking the color chart periodically if stored beyond 18 months for critical applications.
2. Can this paper detect pH values outside the 6.5-9 range?
This specific formulation is calibrated exclusively for the 6.5-9 pH range and will not provide accurate indications outside these parameters. For broader pH testing requirements, we recommend using our universal pH indicator papers that cover the full 0-14 range, though they offer less precision within narrow bands.
3. How should I dispose of used indicator strips?
Used indicator strips should be collected in a designated chemical waste container according to your laboratory’s standard operating procedures. While the paper itself isn’t hazardous, it may contain trace amounts of test substances that require proper disposal methods as per local environmental regulations.
4. What factors could affect the accuracy of readings with this indicator paper?
Several variables may influence results including prolonged exposure to the test solution (read within 30 seconds), insufficient sample volume on the strip, or contamination from previous tests. Always use fresh strips for each measurement and ensure the test surface is clean and dry before application for optimal accuracy.
5. Is this indicator paper compatible with non-aqueous solutions?
The paper is specifically designed for aqueous solutions and may not provide accurate readings with organic solvents or highly viscous liquids. For non-aqueous testing, specialized indicator systems or electronic pH meters would be more appropriate measurement tools.










