Research Article

Organic Phosphorus Compounds as Inhibitors of Corrosion of Carbon Steel in Circulating Cooling Water: Weight Loss Method and Thermodynamic and Quantum Chemical Studies

Figure 5

Optimized frontier orbitals of organic phosphorus inhibitors. (a) HOMO of PBTCA. (b) LUMO of PBTCA. (c) HOMO of HEDP. (d) LUMO of HEDP. (e) HOMO of ATMP. (f) LUMO of ATMP.
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