Sold as 30 packs of pH Buffer Powder - 10 packs each of pH 4.00, 6.86, and 9.18 buffers
Intended Use - For calibrating pH meters
Directions - Add buffer packet contents to a glass beaker, add 250ml of distilled or deionized water, and stir until completely dissolved
Storage - Store your prepared 250 ml buffer solutions at refrigerator temperature (~40°F or ~4.4°C) or in a cool, dark place away from sunlight
Shelf Life - The shelf life of pH buffers will vary dramatically depending on the environment but will generally be ~3-6 months for solutions stored at fridge temperature and ~2-3 months for solutions stored at room temperature.
Description
pH Buffer Solution Powder for pH Meter Calibration. 30 Packs, 10 Packets Each of pH 4.00, 6.86, 9.18