HI77200P is a set of premium quality 1500 mg/L (ppm) TDS calibration solutions and pH 7.01 buffers that are NIST traceable and contained in portable single-use sachets. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna’s line of TDS solutions and pH buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. The HI77200P is for 20 sachets (10 each) containing 20 mL of solution.
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HI77200P is a set of premium quality 1500 mg/L (ppm) TDS calibration solutions and pH 7.01 buffers that are NIST traceable and produced in accordance with ISO 3696/BS3978. Hanna’s line of calibration solutions are prepared using certified weight-checked balances, Class A glassware and reagent-grade chemicals for optimum quality and accuracy.
Convenience of individual packaging
Each sachet marked with lot number and expiration date
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