How to Prepare the Solution
Water volume: Mix one packet of buffer powder with 250 mL of distilled water.
Mixing: Stir the powder completely until it dissolves. Use glass or ceramic containers instead of metal.
Accuracy: Each packet creates a solution accurate to within ±0.01 pH at 25°C.
Storage: Keep prepared liquids in covered, hermetically sealed containers. Use them within 2
to 3 weeks.