Quantification of Mineral Oil Aromatic Hydrocarbons (MOAH) in Anhydrous Cosmetics Using ¹H NMR

Table 8

Validation lip gloss.

Validation points	Target value (MOAH) (g/100 g)	Weighted sample (mg)	Actual value (MOAH) (g/100 g)	Recovery (%)
Measurement series: 1; technician 1; NMR spectrometer 2
P1	0.00	51.70	0.00	185.71
P2	0.04	53.70	0.02	50.60
P3	0.11	49.60	0.06	52.03
P4	0.19	50.30	0.14	74.14
P5	0.34	49.80	0.30	89.09
P6	0.49	51.30	0.41	84.12
P7	0.69	52.60	0.60	87.44
P8	0.88	50.90	0.79	89.25
P9	1.19	53.70	1.03	86.91
Measurement series: 2; technician 1; NMR spectrometer 1
P1	0.00	49.40	0.00	64.29
P2	0.04	52.20	0.02	44.80
P3	0.11	51.20	0.09	81.92
P4	0.19	50.00	0.15	79.02
P5	0.34	51.70	0.29	86.12
P6	0.49	49.60	0.47	96.10
P7	0.69	49.80	0.63	91.07
P8	0.88	51.20	0.78	88.33
P9	1.19	50.30	1.07	90.29
Measurement series: 3; technician 2; NMR spectrometer 2
P1	0.00	51.40	0.00	314.29
P2	0.04	50.90	0.02	39.68
P3	0.11	51.20	0.07	64.49
P4	0.19	51.90	0.15	74.91
P5	0.34	51.20	0.26	77.18
P6	0.49	50.30	0.40	81.00
P7	0.69	50.50	0.55	79.79
P8	0.88	51.00	0.68	77.24
P9	1.19	51.60	1.00	83.97