pH 4.01 buffer solution, 1 sachet of 20 mL HI70004P HANNA

PH 4.01 buffer solution, 25 sachets of 20 mL HI70004P HANNA

Description

HI70004P is a standard pH 4.01 calibration solution. Each sachet has a lot number and an expiration date. The standard solutions Hanna were formulated to last up to 5 years from the date of manufacture if the sachet is not opened. HI70004C contains 25 sachets of 20 ml.

The HI70004P is a standard pH 4.01 calibration solution manufactured in accordance with ISO 3696 / BS3978 standards using pure salts, demineralized water, certified balances, and Class A glassware, in a temperature-controlled environment with certified thermometers. The reported values have an accuracy of +/- 0.01 pH at 25°C and refer to NIST (Standard Reference Materials - SRMs) standards.

Convenient disposable pouch

- Ideal for users who do not calibrate the instrument frequently

- Ideal for use in the field

Each packet contains a fresh solution.

- The packaging protects the solution from UV rays that could alter the buffer's value.

Each packet has a batch number and an expiration date.

- The standard solutions of Hanna are formulated to have a shelf life of 5 years from the date of manufacture if the packet is not opened.

Bags of different colors depending on the pH value for easy recognition of the solution

- Easy identification of different pH values.

- The solution does not contain any dyes that could stain the reference cell of a pH electrode.

Technical specifications