BUFFER SOLUTION PH 4.00 (20 GRADE C) ...

Code: 1.09475.0500

The di-sodium tetraborate buffer solution is gravimetrically prepared at a registered calibration laboratory with high-quality reagents and water.

per 500ML
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Materials for the precise calibration and monitoring of pH meters. Traceable to NIST primary standard and PTB - Uncertainty ±0,015 (except pH 10 with ±0,05) Colour coded solutions for quick identification Larger pack sizes available, the easy to use Titripac® packaging eliminates contamination issues Reference temperature: +20 °C Measured in an independent accredited calibration laboratory for the pH value measurement (DIN EN ISO / IEC 17025).

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