Determination of 18 Trace Elements in 10 Batches of the Tibetan Medicine Qishiwei Zhenzhu Pills by Direct Inductively Coupled Plasma-Mass Spectrometry

Table 6

Results of 18 trace elements in 10 batches of QSW (μg·kg⁻¹).

Elements	Content (μg·kg^−1)
	Ganlu						Jinhe	Aba	Ganzi	Baiyu	Mean ± SD
	17156A	18055A	17027A	17001A	17102A	17103A	20171115	1703013	17070501	20181012
Li	3.472	2.635	2.633	1.603	2.431	2.893	5.067	3.210	2.633	3.613	3.019 ± 0.919
Be	1.472	1.715	1.627	0.9080	1.118	1.504	——	——	0.07500	0.2260	0.8650 ± 0.7210
Sc	0.8980	0.8280	0.7690	0.5140	0.7070	0.7110	0.3920	0.3230	0.6340	1.680	0.7460 ± 0.3770
V	8.566	17.26	6.766	4.742	6.819	7.025	7.748	2.665	6.751	15.92	8.426 ± 4.613
Cr	109.7	47.45	49.89	34.39	67.48	78.20	68.33	23.55	17.64	401.65	89.83 ± 112.9
Mn	1512	1267	737.4	571.4	1174	1293	227.5	141.4	214.1	629.1	776.7 ± 504.7
Co	6.367	4.573	6.857	3.326	5.044	4.941	1.771	7.249	5.622	5.733	5.148 ± 1.650
Ni	48.87	28.30	22.77	18.18	35.49	35.64	32.55	17.31	10.60	80.26	33.00 ± 19.98
Cu	12160	10506	9875	8162	10119	10240	1807	12897	6396	19436	10160 ± 4541
As	417.3	342.4	1163	945.7	770.6	601.9	573.9	1460	773.9	1305	835.4 ± 377.0
Sr	287.3	255.6	235.3	183.7	231.6	242.6	219.7	201.5	131.8	188.1	217.7 ± 43.57
Ag	1293	1169	944.1	810.2	955.0	1025	647.3	960.4	480.0	2062	1034 ± 430.6
Cd	0.2610	0.3060	0.1660	0.2100	0.2110	0.2470	0.2090	0.3360	0.4590	1.595	0.4000 ± 0.4280
Cs	0.5050	0.4310	0.3680	0.3150	0.3980	0.3870	0.4660	0.7810	0.3450	0.4290	0.4430 ± 0.1320
Ba	57.96	279.2	42.44	36.19	48.28	53.62	62.67	383.4	41.55	331.8	133.7 ± 138.9
Pb	11690	10976	7595	6416	8875	10184	727.2	1767	1571	8341	6814 ± 4080
Au	1252	1209	496.8	768.3	899.2	1099	174.8	163.3	155.0	155.0	637.3 ± 462.7
Hg	6118	5601	6267	4397	5682	5200	12024	7944	15937	4811	7398 ± 3715

The data are means of 3 determinations. The symbol “——” means undetected or below the limit of detection.