Buffer, reference standard pH 4.00±0.01 (25 °C)
Buffer, reference standard, is routinely used for the calibration of pH meters.
Buffer, reference standard, is used for pH measurements in investigating the effect of hydrochloric acid on
500 mL in poly bottle
500 mL size packaged in polyethylene bottle; 1 gal size in convenient shelf-top dispenser with spigot.
Standardized against N.I.S.T. standard reference materials.
