Sterile buffer ampoules from SI Analytics with certificate

For calibration before pH measurements. Buffer solutions in the double-ended 17 mL ampoules offer a particularly high degree of reliability and measuring accuracy.

Made without preservatives, these buffers are hot steam sterilised and have a very long shelf life. With manufacturer certificate, traceable to PBT/NIST.

General information on the use of buffers:

• Never put the pH electrode into the supply bottle. Always fill a small quantity into a clean calibration vessel or use the dosing cap if available.
• Do not use any remnants of alkaline buffer solutions.
• Dispose of the buffer solutions after using them. Do not fill them back into the supply bottle.
• For storing, close the supply bottle properly.
• Once the buffer bottles are opened, use the contents speedily.
• Store the buffer solutions at room temperature (15 - 25 °C).

Specifications

• pH value: 4,00 / 7,00 / 10,01 ± 0,02 (25 °C)
• Volume: 3 x 20 ampoules of 17 mL each
• Color: Clear
• Traceable to PTB/NIST