Measurement of Sulfide by Ion Selective Electrode (CAT#: STEM-ACT-0106-WXH)

Name: Measurement of Sulfide by Ion Selective Electrode
SKU: STEM-ACT-0106-WXH
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Introduction

Sulfide is an inorganic anion of sulfur with the chemical formula S2- or a compound containing one or more S2- ions. Solutions of sulfide salts are corrosive. Sulfide also refers to chemical compounds large families of inorganic and organic compounds, e.g. lead sulfide and dimethyl sulfide.

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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.