Calibration Solutions for pHep® 4 Waterproof pH/Temperature Tester
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Product Number: SB28993(X)M Price: $13.00In Stock. Usually ships in 24-48 hours. |
PRODUCT DETAILS
This buffer solution is made from an established formula and is standardized with a pH meter that is calibrated to NBS/NIST primary standard buffer solutions. The 20 ml sachets are ideal for infrequent calibrations. The pH values at 25° C are 4.01 and 7.01; package of 10 sachets (five each for 4.01 pH and 7.01 pH).
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