GAIN EXPRESS pH Powder Calibration Solution 4.01 7.00 10.01pH Set

Powder buffer solution provide long shelf life and stability and are ideal for low volume use. Eachpack makes 250mL of buffer solution. It provides indefinite or long shelf life and stability, ideal for low volume use.It's lightweight, inexpensive and takes up very little space.These buffers are accurate to within ±0.01pH units@ 25°C and remain stable over long periods of time. Put into solution only what you need,when you need it. Featuring 3 packs of popular pH buffer solutions,pH4.01, pH7.0 and pH10.01. Simple to use. Just add 250ml perpowder packet . Powder has an indefinite shelflife . Easy 3-step procedure is written atthe back of the packet Features: 3 packs of popular pH buffer solutions,pH4.01, pH7.0 and pH10.01 Simple to use. Just add 250ml per powder packet Powder has an indefinite shelflife Easy 3-step procedure is written atthe back of the packet Specifications: Each pack volume:250 ml Each powder packet/sachet makes 250ml of solution (when mixed with distilled or deionized water) Accuracy : ±0.01pH at 25°C Set Includes: 1 x pH4.01 Calibration Powder 1 x pH7.0 Calibration Powder 1 x pH10.01 Calibration Powder