Apera Instruments AI1114 pH Calibration Solution Kit (7.00, 4.00), 16 oz. for Each, Plus a CalBox for Easy Organization of all Buffer Solutions, HDPE (High Density Polyethylene)
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<b>[Product Information]</b><br>
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<li>High accuracy (±0.01 pH): standardized against NIST Certified pH references within 0.01 pH at 25˚C (77˚F). ideal for the calibration of all pH meters</li>
<li>Color-coded, double-sealed, 1-year shelf life</li>
<li>Comes with Aprea's unique Callbox for easy organization of all buffer solutions</li>
<li>Expiration date and temperature/ph reference chart provided for reference</li>
<li>Non-hazardous product (msds is downloadable)</li>
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