HI70009C is a premium quality pH 9.18 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. 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 technical calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. The HI70009C is for 25 sachets containing 20 mL of buffer.
HI70009C 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).
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Ideal for users that do not calibrate frequently
Ideal for field use due to portability
Every sachet is as fresh as the day it was packaged
Light block packaging prevents oxidation from UV light that could alter the buffer value
Easy to identify different buffer values
Solution does not contain any dyes that may stain the reference cell of a pH electrode
Product Specifications:
Descriere standard calibration buffer Certificate de analiză yes Acuratețe pH ±0.01 pH Valoare pH @ 25°C 9.18 Ambalare sachets Cantitate 25 Mărime 20 mL