pH Powder Buffer Calibration Sachet pH 4.00
Ready to mix with 250ml water
Has an indefinite shelf life
Complete set includes:
1 x pH 4.00 Calibration Powder
SPECIFICATIONS:
Each pack volume: 250 ml. Each powder packet/sachet makes 250ml of solution (when mixed with distilled or demonized water)
Accuracy : 0.01pH at 25C