backBack to 2/2015
Technical Issues
2/2015 pp. 47-53

Molibdenian(VI) sodu jako inhibitor korozji stali węglowej

pdf Get full text pdf


The influence of the concentration of sodium molybdate(VI) on the corrosion of S235 carbon steel in solutions contained chloride and nitrate(V) ions have been studied. For the research purpose a weight loss method has been used. It can be concluded that the addition of Na2MoO4 to the aggressive environment reduces the weight loss of the sample. Inhibition efficiency and corrosion rate have been calculated. The efficiency inhibition of corrosion has been about 93%. It has been found that the corrosion rate of S235 steel, in a solution containing 100 mM sodium molybdate (VI) was about 14 times lower than in the solution without inhibitor. Therefore, the examined compound was an effective inhibitor of the corrosion of S235 carbon steel.

Key words

sodium molybdate(VI), carbon steel, inhibition efficiency


1. Badr, G.E., The role of some thiosemicarbazide derivatives as corrosion inhibitors for C-steel in acidic media, Corrosion Science, 2009, 51, pp. 2529-2536.

2. Torres, V.V., Amado, R. S., Faia de Sa, C., Fernandez, T.L., Inhibitory action of aqueous coffee ground extracts on the corrosion of carbon steel in HCl solution, Corrosion Science, 2011, 53, pp. 2385-2392.

3. Ghareba, S., Omanovic, S., Interaction of 12-aminododecanoic acid with a carbon steel surface: Towards the development of “green” corrosion inhibitors, Corrosion Science, 2010, 52, pp. 2104-2113.

4. Lebrini, M., Bentiss, F., Vezin, H., Lagrene´e, M., The inhibition of mild steel corrosion in acidic solutions by 2,5-bis(4-pyridyl)-1,3,4-thiadiazole: Structure–activity correlation, Corrosion Science, 2006, 48, pp. 1279-1291.

5. Trela, J., Scendo, M., Wybrane zasady purynowe jako inhibitory korozji stali węglowej, Ochrona przed korozją, 2012, 55, s. 220-224.

6. Cheng, S., Chen, S., Liu, T., Chang, X., Yin, Y., Carboxymenthylchitosan as an eco-friendly inhibitor for mild steel in 1 M HCl, Materials Letters, 2007, 61, pp. 3276-3280.

7. Naderi, E., Jafari, A.H., Ehteshamzadeh, M., Hosseini, M.G., Effect of carbon steel microstructures and molecular structure of two new Schiff base compounds on inhibition performance in 1M HCl solution by EIS, Materials Chemistry and Physics, 2009, 115, pp. 852–858.

8. Hinton, B.R.W., Corrosion Prevention and Chromates, the End of an Era? Metal Finishing, 1991, 89, pp. 55-61.

9. Jefferies, J., Bucher, B., New look at molybdate, Materials Performance, 1992, 31, pp. 50–53.

10. Mu, G., Li, X., Qu, Q., Zhou, J., Molybdate and tungstate as corrosion inhibitors for cold rolling steel in hydrochloric acid solution, 2006, Corrosion Science, 48, pp. 445-459.

11. Cansever, N., Cakir, A.F., Urgen, M., Inhibition of stress corrosion cracking of AISI 293 stainless steel by molybdate ions at elevated temperatures under salt crust, Corrosion Science, 1999, 4, pp. 1289-1303.

12. Virtanen, S., Surber, B., Nylund, P., Influence of MoO42- anion in the electrolyte on passivity breakdown of iron, Corrosion Science, 2001, 43, pp. 1165-1177.

13. Ghareba, S., Omanovic, S., Interaction of 12-aminododecanoic acid with a carbon steel surface: Towards the development of ‘green’ corrosion inhibitors, Corrosion Science, 2010, 52, pp. 2104-2113.

14.Abboud, Y., Abourriche, A., Saffa, T., Berrada, M., Charrouf, M., Bennamara, A., Hannache, H., A novel azo dye, 8-quinolinol-5-azoantipyrine as corrosioninhibitor for mild steel in acidic media, Desalination, 2009, 237, pp. 175-189.

15. Scendo, M., Inhibitive action of the purine and adenine for copper corrosion in sulphate solutions, Corrosion Science, 2007, 49, pp. 2985-3000.

16. Noor, E.A., Al.-Moubaraki, A.H., Thermodynamic study of metal corrosion and inhibitor adsorption processes in mild steel/1-methyl-4[4’(-X)-styryl pyridinium iodides/hydrochloric acid systems, Materials Chemistry and Physics, 2008, 110, pp. 145–154.