HI5091 HANNA Buffer Solution น้ำยามาตรฐาน pH9.18

Description

HI5091 is a premium quality pH 9.18 technical calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. 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 bottle.
Reported values ​​are accurate to +/- 0.01 pH at 25°C and are traceable to NIST Standard Reference Materials (SRMs).

Specifications

Accuracy: Technical ±0.01 pH
PH Value @25°C: 9.18
Package: Bottles
Size: 500 mL
Certificate of Analysis: Yes