Description
Product Overview
VIVOSUN pH buffer powders are high-purity calibration solutions designed for precise pH meter maintenance. These powders ensure ±0.01 pH accuracy at 25°C/77°F, with stable pH values of 4.00, 6.86, and 9.18 even after extended storage. The product includes 18 individually sealed packets—6 of each pH level—to maintain freshness and accuracy. Manufactured by VIVOSUN with model number PHP-0001, these buffers are free from harmful substances and compatible with any pH tester or probe. Product dimensions are 3.1 x 2.4 x 0.8 inches, weighing 1.13 ounces, making them compact and easy to store.

Usage
These pH buffer powders are essential for environments requiring accurate pH measurement, such as laboratories, hydroponic systems, aquaculture, and educational institutions. They are ideal for routine calibration of pH meters to ensure reliable readings in water quality testing, chemical analysis, and research applications. Target users include scientists, technicians, hobbyists, and anyone involved in precise pH monitoring who needs consistent and trustworthy calibration standards.
Why Choose Us
VIVOSUN pH buffer powders stand out due to their exceptional stability and accuracy, reducing the need for frequent recalibration or repurchases. The individual packet design guarantees freshness and prevents contamination, while the quick-dissolution formula saves time during preparation. Backed by positive customer reviews and a high seller ranking in industrial and scientific categories, these buffers offer dependable performance and value for professionals and enthusiasts alike.
Key Features
- High accuracy with ±0.01 pH precision for reliable calibration
- Excellent stability maintaining pH levels over long-term storage
- Individual sealed packets ensuring freshness and preventing contamination
- Quick dissolution in distilled water for efficient calibration processes
- Safe and compatible with all pH testers and probes
FAQ
How do I use these buffer powders?
Empty one packet into a clean glass beaker, add 250ml of deionized or distilled water, and stir gently until fully dissolved. Use the solution to calibrate your pH meter according to the manufacturer’s instructions.
Are these buffers safe to handle?
Yes, they contain no harmful substances and are safe for standard laboratory use. Always follow general safety practices, such as wearing gloves and avoiding ingestion.
What pH values are included?
The set includes powders for pH 4.00, 6.86, and 9.18, covering common calibration points for most pH meters to ensure accurate measurements across a range of conditions.
How should I store the unused packets?
Keep them in a cool, dry place away from direct sunlight and moisture to preserve their stability and accuracy until needed.
Can I use tap water instead of distilled water?
No, using deionized or distilled water is crucial to avoid impurities that could affect the pH accuracy and compromise calibration results.




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