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A handy way to calibrate your pH meter in the field. Each packet is sealed airtight for guaranteed freshness and reliability; labeled with a temperature versus pH reference table and equivalent values for ppm in KCL, NaCL and 422. Contains five packets each of pH 4, 7 and 10 calibration solutions as well as deionized rinse water. -- *CAS numbers are also included to conform to "Right-to-Know requirements for all ingredients. -- *All standards are certified traceable to NIST refernece materials.
Price: $23.95 Click here for more info.
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