สารละลายมาตรฐานสำหรับสอบเทียบหัววัดค่ากรด-ด่าง (HI7010L)

HI7010L is a premium quality pH 10.01 calibration solution. 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 calibration buffers have been specially formulated to have an expiration of 2 years from the date of manufacture for an unopened bottle.

• Color coded label for easy pH buffer value identification
• Accuracy of +/- 0.01 pH @ 25^°C
• Temperature chart of the actual pH value at various temperatures printed on each bottle

HI7010L is a premium quality pH 10.01 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 +/- 0.01 pH @ 25^°C and are traceable to NIST Standard Reference Materials (SRMs).

Air tight bottle with tamper-proof seal

• Ensures quality and freshness of solution

Each bottle marked with lot number and expiration date.

• Hanna buffers are specially formulated to have a long shelf life for an unopened bottle.

Color coded label for easy pH buffer value identification

• Easy to identify different buffer values

• Solution does not contain any dyes that may stain the reference cell of a pH electrode