Buffer Standard Solution | 250ml | pH 4.0 at 20°C | Traceable to NIST 7757-83-7) is of analytical reagent

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

and pharmaceuticals

Flammable: Keep away from open flames and heat sources

Precise Melting Point: Melting point ranging from 133 to 136°C

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Buffer Standard Solution | 250ml | pH 4.0 at 20°C | Traceable to NIST 7757-83-7) is of analytical reagentBuffer 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