Hanna Instruments pH 7.01 Buffer Solution
pH 7.01 Buffer Solution is an accurate, convenient tool to ensure your pH meter offers precise measurements. This solution does not contain any dyes that may stain the reference cell of a pH electrode. Hanna pH buffers are specially formulated to have an expiration of 5 years from manufacture for an unopened bottle.
- Air tight 500 mL bottle with tamper-proof seal for quality
- Color coded label for easy identification of ph 7 buffer value
- Perfect for routine maintenance to ensure accurate readings while extending the life of the electrode
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"Handy size to carry and refill.
Works as advertised so far