Table 2 Concentration statistics (minimum, maximum, average, standard deviation) of water-soluble ions.

From: Wintertime investigation of PM10 concentrations, sources, and relationship with different meteorological parameters

 

Na+ (µg m−3)

NH4+ (µg m−3)

Mg2+ (µg m−3)

K+ (µg m−3)

Ca2+ (µg m−3)

Min

2.40

0.41

0.68

0.81

9.61

Max

10.65

14.10

4.89

10.70

86.28

Mean

4.98

2.90

2.39

3.71

35.79

Standard deviation

1.53

3.59

0.99

2.17

17.83

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