Table 4 List of the best results that meet the set objectives (Ra < 140 nm, gloss > 800 GU, Δm tending to a minimum value) generated based on the models.

Bath	Bath contamin.	T	t	i	Δm	(Δmmin − Δm)/Δmmin	Q	(Q_min − Q)/Q_min	Gloss 20°	Gloss lower	Gloss upper	Ra	Ra lower	Ra upper
Bath	%Fe	°C	min	A/dm²	mg/dm²	%	A min/cm²	%	GU	GU	GU	nm	nm	nm
Solution A	4	37	16	8	511	0.0	1.28	− 6.7	802	684	919	132	90	174
Solution A	4	38	16	8	519	− 1.6	1.28	− 6.7	807	689	925	132	90	174
Solution A	4	35	17	8	526	− 3.2	1.36	− 13.3	833	714	950	130	88	173
Solution A	4	39	16	8	527	− 3.3	1.28	− 6.7	813	695	929	132	90	174
Solution A	4	35	19	7	530	− 3.9	1.33	− 10.8	854	735	972	139	97	181
Solution A	4	40	16	8	535	− 4.9	1.28	− 6.7	818	700	935	132	90	174
Solution A	4	36	17	8	535	− 4.9	1.36	− 13.3	838	719	955	130	88	173
Solution A	4	36	19	7	538	− 5.6	1.33	− 10.8	858	739	975	139	97	181
Solution A	4	45	15	8	539	− 5.7	1.20	0.0	802	684	919	134	92	176
Solution A	4	41	16	8	543	− 6.5	1.28	− 6.7	823	705	940	132	90	174
Solution B	0	35	16	8	612	0.0	1.28	0.0	836	679	990	129	71	187
Solution B	1	35	18	8	619	− 1.1	1.44	− 12.5	807	651	960	128	70	186
Solution B	0	36	16	8	621	− 1.4	1.28	0.0	832	676	987	133	76	191
Solution B	0	37	16	8	629	− 2.8	1.28	0.0	829	672	983	138	80	196
Solution B	0	35	17	8	649	− 5.9	1.36	− 6.3	868	712	1022	128	70	186
Solution B	1	35	19	8	652	− 6.5	1.52	− 18.8	836	680	989	126	68	184
Solution B	0	36	17	8	658	− 7.4	1.36	− 6.3	864	708	1018	132	74	190
Solution B	1	36	19	8	661	− 8.0	1.52	− 18.8	828	673	982	131	73	189
Solution B	0	37	17	8	666	− 8.8	1.36	− 6.3	861	705	1014	137	79	195
Solution B	1	37	19	8	671	− 9.5	1.52	− 18.8	820	665	974	135	77	193

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