pH Buffer Calibration Solution Kit 2-Pack — one pH 4.00 (red) and one pH 7.00 (Yellow), Each 250 mL (8.4 fl oz) — NIST Traceable Reference Standards for All pH Meters
$17.99
Description
Color Coded for Easy Identification.Individually Bagged 250 mL (8.4 fl oz) Poly Bottles.Lot Numbered and Expiration Dated.Free Certificate of Analysis and Traceability.For Pharmaceutical, Academic, Research and Industrial Uses
