Details
HI7004-050 is a high quality pH 4.01 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 +/- 0.02 pH @ 25°C and are traceable to NIST Standard Reference Materials (SRMs).
The HI7004-050 is supplied with Certificate of Analysis
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Product code
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Lot number
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Mean lot value
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SRMs that were used
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Manufacturing date
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Expiration date
Color coded label for easy pH buffer value identification
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