Table 5 Comparative of the performance of LAE extract and some reported natural extract for stainless steel corrosion inhibition in HCl solutions.

From: Protection of stainless steel surfaces in desalination units against corrosion during acid cleaning under dynamic conditions by using lavender angustifolia extract as a green inhibitor

Extract type

Corrosion conditions

Extract concentration

Inhibition efficiency (%)

Ref.

Palm waste extract

304 stainless steel in 1 M HCl solution

1.5 g/L

91.1%

57

Triticum aestivum extract

stainless steel (SS-410) in 15% M HCl solution

4.0 g/L

92.69%

58

Tea tree extract

304 stainless steel in 1 M HCl

0.75 g/L

86.00%

59

Tectona grandis leaf extract

SS304 in 2 M HCl

1.0 g/L

71.70%

60

Tithonia diversifolia (Hemsl) A. Gray leaves extract

304 SS in 1 M HCl

2.0 g/L

77.27%

61

Okra pectin

stainless steel (304 SS) in 1 M HCl

2 g/L

86.5

62

Phyllanthus emblica seed extract

stainless steel (SS-410) in 15% HCl

4 g/L

92.43%

63

Citrus limetta pulp waste extract

stainless steel (SS)-410 in 15% HCl

4 g/L

90.90%

64

Lavandula angustifolia (LAE) extract

316SS in 5.0 M HCl solution

300 mg/L

94.30%

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