Synthesized by attaching a zwitterion, composed of a 1,4-diazabicyclo [2.2.2]octane quaternary ammonium cation and a sulfonate anion, to a silica surface, the performance of this phase was assessed ...

Carboxymethyl(trimethyl)ammonium, more accurately referred to as (carboxymethyl)trimethylammonium, is a quaternary ammonium cation with the formula ...

The proportion of 4 in the ratio of 3/4 was dependant on the structure of the quaternary ammonium cation. The results were interpreted on the basis of the organophilicity and accessibility of the ...

The quaternary ammonium cation and piperidine cation in the anion exchange membrane work in concert to construct a tighter ion-transport channel, which reduces the activation energy required to ...

In a recent review published in the Environmental Science and Technology Journal, researchers presented an overview of quaternary ammonium compounds (QACs), highlighting their environmental and ...

Novo Nordisk Pharmatech is the world’s leading supplier of pharmaceutical-grade quaternary ammonium compounds. The company’s manufacturing site in Køge, Denmark is cGMP-certified, with tightly ...

Figure 1. The structure of denatonium benzoate with the quaternary ammonium cation and the benzoate anion. periment (i.e. 0.01 M CaCl 2, 0.01 M NaCl, 0.01 M KCl, etc). Batch equilibrium adsorption ...