DURACAL pH Buffers
Hamilton provides a complete range of patented buffer solutions, resulting in a level of pH stability never before achieved. Hamilton guarantees DURACALTM pH buffers stable for 5 years after the date of manufacture. All DURACALTM pH buffers are traceable to NIST. The 4.01,
7.00, 9.21 and 10.01 DURACALTM pH buffer values are certified by an independent DKD laboratory accredited for pH measurement.
CONDUCTIVITY STANDARDS 1.3 ìS/cm and 5 ìS/cm
Hamilton is the first manufacturer to offer conductivity standards with values of 1.3 and 5 ìS/cm that have a certified accuracy of ± 1%, and a lifetime of 1 and 3 years, respectively. The composition of these standards is patented, and the procedure for determining conductivity has been developed in collaboration with the Danish Institute of
Fundamental Metrology (DFM).
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