Πληροφορίες προϊόντος
HI7009L is a premium quality pH 9.18 calibration buffer produced in accordance with ISO 3696/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers. Reported values are accurate to +/- 0.01 pH @ 25°C and are traceable to NIST Standard Reference Materials (SRMs).
Air tight bottle with tamper-proof seal
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Ensures quality and freshness of solution
Each bottle marked with lot number and expiration date.
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Hanna buffers are specially formulated to have an expiration of 5 years from manufacture for an unopened bottle.
Color coded label for easy pH buffer value identification
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Easy to identify different buffer values
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Solution does not contain any dyes that may stain the reference cell of a pH electrode
