3Pcs PH Buffer Measure Calibration Solution ph4.00/ 6.86 /9.18Calibration Poi BX

ITEM NAME:3Pcs PH Buffer Measure Calibration Solution ph4.00/ 6.86 /9.18Calibration Poi BX Feature: 100% Brand new and high quality Light weight, easy to carry Just add water or distilled water For each powder pack,we can make 250ml solution Use for PH tester measure calibration solution PH Meter Buffer Solution Powder Set for Quick and Easy pH Calibration Description Material: Powder Color:As picture shown Size:2.9*2.5in Package Included: 1PC 4.01PH buffer powder 1PC 6.86PH buffer powder 1PC Â 9.18PH buffer powder Note: 1.Please allow 1-3cm error due to manual measurement..1PC 6.86PH buffer powder. 1PC 9.18PH buffer powder. Light weight, easy to carry.