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Related Experiment Video

Updated: Jun 28, 2026

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities
12:33

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

Published on: November 15, 2013

[Not Available].

Y Auger1, G Delesalle, J C Fischer

  • 1Laboratoire de Chimie Minérale I, Université des Sciences et Techniques de Lille, B.P. 36, 59655 Villeneuve d'Ascq, France.

Talanta
|May 1, 1982
PubMed
Summary
This summary is machine-generated.

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Thiocyanosulphates, like potassium and ammonium salts, are effective sulfonating agents in aprotic solvents. These studies reveal their dissociation and weak ionic salvation, impacting their reactivity in chemical synthesis.

Area of Science:

  • Inorganic Chemistry
  • Electrochemistry

Context:

  • Investigating the sulfonating properties of sulfur trioxide (SO(3)) complexes.
  • Focus on thiocyanosulphates (KSO(3)SCN and NH(4)SO(3)SCN) in aprotic solvents.

Purpose:

  • To determine the dissociation and ionic salvation of thiocyanosulphates in sulpholane.
  • To potentiometrically measure the equilibrium constant (K) for the dissociation reaction MSO(3)SCN <=> MSCN + SO(3).

Summary:

  • Conductimetric analysis confirmed dissociation and weak ionic salvation of thiocyanosulphates in sulpholane.
  • Potentiometric measurements yielded dissociation constants K = 10(-11.5 +/- 0.45) for potassium and K = 10(-9.7 +/- 0.7) for ammonium salts.
  • Thiocyanosulphates exhibit stronger sulfonating abilities than chlorosulphates in sulpholane.

Related Experiment Videos

Last Updated: Jun 28, 2026

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities
12:33

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

Published on: November 15, 2013

Impact:

  • Establishes thiocyanates (SCN-) as weaker bases than chlorides (Cl-) in sulpholane.
  • Provides insights into the reactivity and behavior of sulfonating agents in aprotic media.
  • Contributes to understanding complex chemical equilibria and reaction mechanisms.