In the previous work, aqueous extract of the leaves of henna (Lawsonia) was studied as an inhibitor for the cor- rosion of carbon steel (C-steel) in acidic solutions (27). The inhibiting action of the extract is discussed in view of adsorption of the complex formed between metal cations and Lawsonia molecules on the steel surface. Also, Guar gum (28) and some natural oils such as rosem- ary (29), parsley, lettuce and radish oils (30) are used as corrosion inhibitors for C-steel in aqueous solutions. The purpose of this manuscript is to find an environ- mental-friendly, nontoxic, inexpensive and harmless to human health, efficient inhibitor created from the aqueous extract of some plants such as curcumin, parsley and cassia bark extracts to inhibit the corrosion of carbon steel in 0.5 M H2SO4 solution. The study is .
In the previous work, aqueous extract of the leaves of henna (Lawsonia) was studied as an inhibitor for the cor- rosion of carbon steel (C-steel) in acidic solutions (27). The inhibiting action of the extract is discussed in view of adsorption of the complex formed between metal cations and Lawsonia molecules on the steel surface. Also, Guar gum (28) and some natural oils such as rosem- ary (29), parsley, lettuce and radish oils (30) are used as corrosion inhibitors for C-steel in aqueous solutions. The purpose of this manuscript is to find an environ- mental-friendly, nontoxic, inexpensive and harmless to human health, efficient inhibitor created from the aqueous extract of some plants such as curcumin, parsley and cassia bark extracts to inhibit the corrosion of carbon steel in 0.5 M H2SO4 solution. The study is .
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