pH buffer

pH buffer, Total:4 items.

The international standard classification for "pH buffer" includes: Analytical chemistry in general .

The Chinese standard classification for "pH buffer" includes: Electrochemical, thermochemistry and optical profile type analyzer .

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

• GB/T 27501-2011 Preparation method of buffer solutions for the measurement of pH value

RO-ASRO

• STAS 8619/2-1990 Ph-measurement. Standard ph buffer solutions

American Society for Testing and Materials (ASTM)

• ASTM E1910/E1910M-15 Standard Test Method for Agricultural pH Control Agents, Measurement of pH Change and Buffering Capacity

CZ-CSN

• CSN 65 0306-1986 Buffer solutions for pH measurement. rimary and secondary standards. reparation and certifieation methods.

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