Description
Electrolyte 1 mol/L KNO3 is a potassium nitrate reference electrolyte for laboratory and process electrodes. It is offered as a multipack of six 250 ml bottles, providing ample volume for refill and maintenance of compatible electrochemical sensors. At 1 mol/L concentration, potassium nitrate is selected when chloride-based bridge solutions are unsuitable, for example in measurements where chloride ions would interfere or where the electrode design specifies a KNO3 electrolyte. Net package weight is 1,1 kg, identical to the gross weight of the unit. Application areas include pH electrodes and related electrode, conductivity and oxygen sensor workflows that require a 1 mol/L KNO3 filling solution. This electrolyte from manufacturer Mettler-Toledo OnLine supports analytical, quality-control and research laboratories that maintain refillable reference systems. Correct electrolyte choice helps sustain stable junction behaviour and consistent sensor performance under standard laboratory operating conditions.
This article is part of pH electrodes & sensors, in pH & electrochemistry.
Key features
- Pack size: 6 x 250 ml
- Product type: Reference electrolyte solution
- Composition: 1 mol/L KNO3
- Country of origin: Switzerland
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Questions about Electrolyte 1 mol/L KNO3, 6 x 250 mL
What is this article?
Electrolyte 1 mol/L KNO3, 6 x 250 mL is the article on this page. Luminix Health distributes Mettler-Toledo OnLine for laboratory use. It sits in pH electrodes & sensors, inside pH & electrochemistry, in Lab instruments.
A pH electrode is a glass membrane and a reference. It is a consumable: the glass ages, the junction clogs, and the reading drifts. A refillable electrode and a gel electrode differ in how they are maintained. The connector has to match the meter. The electrode, not the meter, is usually what is wrong.
A pH meter is a voltmeter on a glass electrode. The voltage tracks hydrogen-ion activity, and the electrode is converted to pH only after it is adjusted with buffers of known value. Conductivity measures how well a solution carries a current, which for dilute salts tracks concentration. Dissolved oxygen and titration are further electrodes on the same idea: a sensor, a standard, and a reading that is only as fresh as the calibration. Buffer values and chemical identity sit on PubChem. Accreditation of the calibration laboratory is the field of BELAC and EURAMET.
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The category is pH & electrochemistry. The sub-category is pH electrodes & sensors. The catalogue is Lab instruments.
Shelves beside this one are pH meters, Conductivity meters & cells, Dissolved oxygen & multiparameter meters, Titrators & electrochemistry systems and pH & electrochemistry accessories.
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