Buffer Standard Solution | 250ml | pH 4.0 at 20°C | Traceable to NIST Practical Design: Desk stand meter

Practical Design: Desk stand meter ideal for student use and educational purposes

Reading: 0

leak resistant lid and tamper evident cap make for safe travels

7757-83-7) is of analytical reagent (AR) / American Chemical Society (ACS) grade with a minimum purity of 98

Buffer Standard Solution | 250ml | pH 4.0 at 20°C | Traceable to NIST Practical Design: Desk stand meterBuffer standard solution with a precise pH of 4. 0 at 20C, ideal for calibrating pH meters and sensors. Traceable to NIST standards ensures accurate and reliable calibration for scientific and industrial applications. Liquid form for easy handling and accurate measurement, suitable for laboratory or field use. Stable and consistent formulation designed to maintain pH accuracy under varying conditions. Ideal for educational, laboratory, and industrial