Hanna Instruments solution for an alkaline cleaner for electrodes fouled with grease and fat, one model.
HI70631L
This Hanna Instruments calibration solution measures an alkaline cleaner for electrodes fouled with grease and fat.
An electrode used in food work builds an invisible fat film over its junction, and the symptom is a slow, drifting response that looks like a dying electrode. Cleaning usually brings it back; replacing it costs many times more.
A standard is only a standard while it is uncontaminated and in date. Pour what you need into a clean beaker, never dip an electrode into the bottle, and never return what you poured. Cap the bottle immediately — several of these solutions change value simply by standing open.
Write the opening date on the label. An expired or contaminated standard does not announce itself; it quietly calibrates every instrument in the laboratory to the wrong value.
Rinse thoroughly and re-condition in storage solution afterwards; cleaner left on the junction is itself a source of drift.
Supplied as one model.