5/15Pcs Ph Buffer Measurement Calibration Solution Ph4.00/6.86/9.18 For Ph Test

Product instructions: 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 Size: 7.5x6.5cm/2.95x2.56 feature: Powder-buffered solutions have a long shelf life and stability, making them ideal for use in small batches. Prepare 250mL of buffer solution per pack. It offers indefinite or extended shelf life and stability and is ideal for small batches. It's lightweight, inexpensive, and takes up little space. These buffers are accurate to within ±0.01 pH units at 25°C and are stable over long periods of time. Put what you need into the solution only when you need it. pH buffer solution, 10 packs pH4.01 and 10 packs pH6.86 Simple to use. Only add 250ml per pack of powder Powder has an unlimited shelf life Simple 3-step procedure written on the back of the packet Packing Listings:5Pcs OR 15Pcs

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