Reliable Calibration in pH Measurement


Accuracy of pH measurement results are directly affected by the buffer reference materials used in calibration. Merck offers you a distinguished range of buffer solutions and substances for the exact calibration of your pH measurement equipment. Using Merck’s Certipur® reference materials, you benefit from maximum accuracy, reliability and convenience and avoid costly repeat analyses.

For your strictest demands in equipment calibration and monitoring, we provide certified secondary standard buffer solutions and substances offering highest precision. For daily-routine calibration, we supply ready-to-use buffer solutions and Titrisol® buffer concentrates. Our ready-to-use buffer solutions in sealed sachets are ideal and convenient. Safely packed in small, handy quantities, they are always fresh and protected from contamination.

All our buffer solutions and substances for pH measurement calibration and monitoring are traceable to primary standards from PTB (Physical Technical Institute, Braunschweig, Germany) and from National Institute of Standards & Technolgy, Gaithersburg, USA). They are subjected to exhaustive quality controlled and qualified by our calibration lab that has been accredited according to ISO/IEC 17025.

Catalog Number Catalog Name
199003 バッファー溶液
199064 バッファー溶液
109439 バッファー溶液
107205 2次標準バッファー溶液
109884 濃縮バッファー
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8 26
26.8.18 - 30.8.18
TIAFT 2018
International Convention Centre (ICC)
Ghent, Belgium
化学分析とサンプル前処理 ヨーロッパ 20180826
8 27
27.8.18 - 31.8.18
EAFS 2018
Lyon Convention Center
Lyon, France
化学分析とサンプル前処理 ヨーロッパ 20180827