The Electropolishing of C-Steel in Orthophosphoric Acid Containing Methanolic Plant Extract

Table 1

Some of the chemical components identified in methanolic extract by GC-MS.

No	Identified compound	Molecular formula	Molecular weight	RT	Probability
Marjoram
1	cis-4-Methoxy thujane	C11H20O	168	6.55	75.6%
2	Cyclohexanol, 1-methyl-4-(1-methylethenyl)-, cis	C10H18O	154	6.64	45.5%
3	trans-4-Methoxy thujane	C11H20O	168	6.96	38.3%
4	Methyleugenol	C11H14O2	178	11.94	33.0%
5	1H-cycloprop[e]azulen-7-ol, decahydro-1,1,7-trimethyl-4-methylene-, [1ar-(1aα,4aα,7β,7aβ,7bα)]	C15H24O	220	15.18	12.3%
6	α-Acorenol	C15H26O	222	16.18	7.30%;
7	Oxiraneundecanoic acid, 3-pentyl-, methyl ester, cis	C19H36O3	312	20.76	12.9%
8	n-Hexadecanoic acid	C16H32O2	256	21.49	64.2%
9	9,12,15-Octadecatrienoic acid, (Z,Z,Z)	C18H30O2	278	24.86	12.2%
10	1-Phenanthrenemethanol, 1,2,3,4,4a,9,10,10a-octahydro-1,4a-dimethyl-7-(1-methylethyl)-, [1S-(1α,4aα,10aβ)]	C20H30O	286	29.06	15.0%
Coriander seeds
1	1,6-Octadien-3-ol, 3,7-dimethyl	C10H18O	154	6.52	76.1%
2	Benzaldehyde, 4-(1-methylethyl)	C10H12O	148	9.21	33.9%
3	p-Cymen-7-ol	C10H14O	150	10.07	58.6%
4	Eugenol	C10H12O2	164	11.24	20.8%
5	3-Allyl-6-methoxyphenol	C10H12O2	164	11.32	12.7%
6	Caryophyllene oxide	C15H24O	220	15.30	28.7%
7	n-Hexadecanoic acid	C16H32O2	256	21.47	65.9%
8	6-Octadecenoic acid, methyl ester, (Z)	C19H36O2	296	24.00	12.3%
9	cis-Vaccenic acid	C18H34O2	282	24.91	15.1%
10	Oleic Acid	C18H34O2	282	33.27	14.5%
Chamomile
1	2-Furanmethanol, tetrahydro-α,α,5-trimethyl-5-(4-methyl-3-cyclohexen-1-yl)-, [2S-[2α,5β ()]]	C15H26O2	238	16.46	53.4%
2	11,13-Dihydroxy-tetradec-5-ynoic acid, methyl ester	C15H26O4	270	17.83	32.3%
3	2H-1-Benzopyran-2-one, 7-methoxy	C10H8O3	176	18.01	92.5%
4	2H-Pyran-3-ol, tetrahydro-2,2,6-trimethyl-6-(4-methyl-3-cyclohexen-1-yl)-, [3S-[3α,6α ()]]	C15H26O2	238	18.16	85.6%
5	Limonen-6-ol, pivalate	C15H24O2	236	18.52	11.0%
6	1,6-Dioxaspiro[4.4]non-3-ene, 2-(2,4-hexadiynylidene)	C13H12O2	200	20.50	83.5%
7	Anthracene, 1,2,3,4,5,6,7,8-octahydro-1-methyl	C15H20	200	20.73	3.06%
8	Formic acid, 3,7,11-trimethyl-1,6,10-dodecatrien-3-yl ester	C16H26O2	250	21.07	10.1%
9	n-Hexadecanoic acid	C16H32O2	256	21.56	52.1%
10	5-Hydroxymethyl-1,3,3-trimethyl-2-(3-methyl-buta-1,3-dienyl)-cyclopentanol	C14H24O2	224	22.15	4.00%
Guava leaves
1	Benzaldehyde, 4-(1-methylethyl)	C10H12O	148	9.18	41.3%
2	Caryophyllene oxide	C15H24O	220	15.31	47.5%
3	Tetracyclo[6.3.2.0(2,5).0(1,8)]tridecan-9-ol, 4,4-dimethyl	C15H24O	220	16.18	51.6%
4	Globulol	C15H26O	222	16.51	9.92%
5	9-Hexadecenoic acid	C16H30O2	254	16.67	8.95%
6	Isoaromadendrene epoxide	C15H24O	220	16.72	12.7%
7	4,4,8-Trimethyltricyclo[6.3.1.0(1,5)]dodecane-2,9-diol	C15H26O2	238	20.53	74.4%
8	Hexadecanoic acid, methyl ester	C17H34O2	270	20.74	23.7%
10	Diisooctyl phthalate	C24H38O4	390	31.34	18.5%