General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 27502-2011
Scope
This standard specifies the reagents, instruments or equipment, steps, uncertainty of the solution and storage of the solution for the preparation of the calibration solution for conductivity measurement. This standard is applicable to the preparation of conductivity meter and conductivity cell constant calibration solution (hereinafter referred to as solution).
GB/T 27502-2011 history
2011GB/T 27502-2011 Preparation method of reference solutions for the measurement of conductivity