Measurement of Barium by Ion Selective Electrode (CAT#: STEM-ACT-0104-WXH)

Name: Measurement of Barium by Ion Selective Electrode
SKU: STEM-ACT-0104-WXH
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Introduction

Barium is a chemical element with symbol Ba.It is found in various salts like barium nitrate, barium sulphate and barium carbonate as Ba2+ion. Barium(2+) is a barium cation, a divalent metal cation and a monoatomic dication. It has a role as a cofactor. In group V,barium ions are precipitated as their carbonates by adding ammonium carbonate to their solution. Barium is a dense alkaline earth metal that occurs in nature as a divalent cation in combination with other elements.

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Principle Applications Procedure Materials

Principle

An ideal ion-selective electrode (I.S.E.) consists of a thin membrane across which only the intended ion can be transported. The transport of ions from a high conc. to a low one through a selective binding with some sites within the membrane creates a potential difference.

Applications

• Used for the potentiometric determination of several anions (fluoride, chloride, bromide, iodide ion) and cations (sodium, potassium, calcium ion).
• Used for endpoint detection in potentiometric titration.
• In biochemistry, ion selective electrodes are used for the determination of enzymes and substances which interact with enzymes.