Applying of Factor Analyses for Determination of Trace Elements Distribution in Water from River Vardar and Its Tributaries, Macedonia/Greece

Table 2

Descriptive statistics of chemical analysis of river water from Vardar and its tributaries.

Element	𝑁	Dis.	Unit	𝑋	𝑋𝑔	Md	Min	Max	P25	P75
Al	27	Log	µg/L	0.20	0.12	0.12	0.02	1.3	0.05	0.25
As	27	Log	µg/L	2.4	1.8	1.9	0.24	6.9	1.1	3.3
Au	27	Log	ng/L	16	2.2	0.50	0.50	126	0.50	11
B	27	Log	µg/L	5.8	4.4	4.2	0.44	17	3.4	7.5
Ba	27	Log	µg/L	28	24	22	9.6	97	18	29
Be	27	Log	ng/L	34	17	12	5.0	283	5.0	31
Br	27	Log	µg/L	29	20	21	3.0	117	12	36
Ca	27	Log	mg/L	53	53	52	40	70	46	60
Cd	27	Log	ng/L	83	28	22	5.0	510	5.0	65
Ce	27	Log	µg/L	0.99	0.37	0.38	0.05	10	0.11	0.74
Co	27	Log	µg/L	0.72	0.55	0.57	0.18	4.0	0.34	0.76
Cr	27	Log	µg/L	1.11	0.06	0.01	0.01	7.3	0.01	1.3
Cs	27	Log	ng/L	26	9.7	15	0.50	214	3.0	31
Cu	27	Log	µg/L	4.8	3.4	3.0	1.3	17	2.1	6.4
Dy	27	Log	ng/L	86	24	25	1.0	986	6.0	80
Er	27	Log	ng/L	38	11	8.0	1.0	423	4.0	37
Eu	27	Log	ng/L	29	15	14	3.0	235	7.0	26
Fe	27	Log	mg/L	0.31	0.15	0.14	0.03	2.3	0.06	0.30
Ga	27	Log	ng/L	154	33	41	5.0	1133	5.0	105
Gd	27	Log	ng/L	120	35	41	5.0	1315	5.0	95
Ho	27	Log	ng/L	16	5.4	4.0	0.50	183	2.0	15
I	27	Log	µg/L	0.28	0.13	0.12	0.01	1.0	0.05	0.35
In	27	Log	ng/L	106	2.3	0.50	0.50	1040	0.50	3.0
K	27	Log	mg/L	4.0	3.4	3.4	0.76	10	2.1	4.6
La	27	Log	µg/L	0.43	0.17	0.18	0.03	4.2	0.05	0.36
Lu	27	Log	ng/L	4.8	1.9	1.0	0.50	51	1.0	5.0
Mg	27	N	mg/L	11	10	10	4.5	16	9.4	12
Mn	27	Log	µg/L	103	28	43	1.3	1204	5.3	73
Mo	27	Log	µg/L	0.31	0.23	0.25	0.03	0.81	0.12	0.45
Na	27	Log	mg/L	17	13	15	2.6	54	8.1	17
Nb	27	Log	ng/L	8.8	7.2	5.0	5.0	29	5.0	11
Nd	27	Log	µg/L	0.45	0.15	0.13	0.01	4.7	0.05	0.37
Ni	27	Log	µg/L	2.5	1.7	1.6	0.43	14	1.1	2.0
P	27	Log	µg/L	146	115	122	10	524	97	188
Pb	27	Log	µg/L	6.4	1.4	1.5	0.05	73	0.61	4.2
Pd	27	Log	ng/L	1.5	1.0	0.50	0.50	6.0	0.50	3.0
Pr	27	Log	ng/L	109	37	34	5.0	1122	11	91
Rb	27	Log	µg/L	1.4	1.2	1.1	0.27	3.8	0.80	1.8
Re	27	Log	ng/L	3.2	1.8	1.0	0.50	14	1.0	4.0
Rh	27	Log	ng/L	16	12	10	4.0	59	8.0	19
S	27	Log	mg/L	7.4	6.4	6.4	1.7	19	4.2	9.4
Sb	27	Log	µg/L	1.2	0.68	0.47	0.30	6.1	0.37	0.70
Sc	27	Log	µg/L	2.2	2.0	1.9	1.1	4.1	1.6	2.6
Si	27	Log	mg/L	5.8	5.6	5.4	3.3	11	4.3	7.0
Sm	27	Log	ng/L	976	33	28	5.0	969	13	104
Sn	27	Log	ng/L	15	12	13	5.0	41	5.0	16
Sr	27	Log	µg/L	136	122	116	65	347	88	157
Tb	27	Log	ng/L	16	5.2	5.0	0.50	178	1.0	17
Tl	27	Log	ng/L	46	3.4	0.50	0.50	404	0.50	28
Tm	27	Log	ng/L	5.7	2.1	2.0	0.50	59	1.0	4.0
V	27	Log	µg/L	1.3	0.08	0.01	0.01	6.5	0.01	2.2
W	27	Log	ng/L	6.6	3.3	4.0	0.50	28	1.0	9.0
Y	27	Log	µg/L	0.42	0.15	0.15	0.03	4.5	0.04	0.36
Yb	27	Log	ng/L	32	12	5.0	5.0	356	5.0	28
Zn	27	Log	µg/L	13	8.2	6.7	1.3	95	5.6	13
Zr	27	Log	ng/L	50	41	42	12	114	24	750

Element: analysed element; 𝑁: number of samples analysed; Dis.: distribution; Unit: unit in which concentration of elements is expressed; 𝑋: arithmetic mean; 𝑋_𝑔: geometric mean; Md: median; Min: minimum; Max: maximum; P25: 25 percentiles; P75: 75 percentiles.