Standard PH 4.01 / PH6.86 / PH9.18 Powder Pack

Standard PH4.01 / PH6.86 / PH9.18 Powder Pack

The Standard PH4.01 / PH6.86 / PH9.18 Ph Powder Pack provides essential pH calibration solutions for precise measurements. This buffer powder pack is ideal for calibrating pH meters in labs, aquariums, gardening, and other applications requiring accurate pH readings

Specifications of Ph Powder Pack 

1. pH Standard Values (at 25°C):
   • pH 4.01 ± 0.02
   • pH 6.86 ± 0.02
   • pH 9.18 ± 0.02
2. Accuracy:
   • pH ±0.02 at 25°C (77°F)
3. Composition:
   • These buffer powders are prepared using high-purity chemicals and are specifically designed to maintain their pH values over time when properly stored.
4. Packaging:
   • Individual sachets containing the buffer powder for single-use.
   • Each sachet typically contains powder to make 250 mL of buffer solution.
5. Storage Instructions:
   • Store the sachets in a dry, cool place away from direct sunlight.
   • Do not use the powder after the expiration date to avoid inaccuracies in pH values.
   • Once the solution is prepared, use it immediately for calibration, or store it in an airtight container for later use.
6. Application:
   • Suitable for calibrating pH meters for a wide range of environments including water treatment, food processing, research labs, and aquaculture.
7. Preparation Instructions:
   • Dissolve the powder content in 250 mL of distilled or deionized water.
   • Stir or shake until the powder is completely dissolv.
   • Ensure the solution is free of contaminants to maintain accuracy.
8. Temperature Dependence:
   • pH values are temperature-dependent. While the standard pH values listed above are valid at 25°C, they may slightly change at different temperatures.
   • Calibration should always be performed at the same temperature as the sample measurement for accurate results.
9. Shelf Life:
   • Typically, when stored properly, the powder form lasts for 2-3 years.
   • Use the buffer solution within a few days after dissolving it to maintain accuracy.
10. Color Indicators:
    • The solution may contain color indicators (optional) to visually differentiate between pH levels:
      • pH 4.01: Often reddish or pink
      • pH 6.86: Usually green or yellow
      • pH 9.18: Often blue or purple

Usage

You can use these buffers to calibrate pH electrodes, ensuring precise and accurate measurements across various applications

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