- Accuracy of +/- 0.01 pH @ 25°C
- Temperature chart of the actual pH value at various temperatures printed on each bottle
- Air tight bottle with tamper-proof seal to ensure quality
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Details
HI70082M is a premium quality pH 8.20 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
pH 8.2 phenolphthalein endpoint
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When using phenolphthalein as an indicator for acid base titrations a faint pink color change occurs at pH 8.2
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AOAC Official Method 942.15 B for Acidity in Fruit Products states the titration to pH 8.1 ±0.2
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The HI70082M is used to calibrate meters to pH 8.2 for precise determination of the phenolphthalein endpoint
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Specifications
Accuracy Standard ±0.01 pH pH Value @25°C 8.20 Package bottles Size 230 mL Quantity 1 FDA Compliant Bottle No