Table 1 Chemical properties of atmospherically relevant inorganic salts and water-soluble organic acids

From: Hygroscopic behavior and aerosol chemistry of atmospheric particles containing organic acids and inorganic salts

Substance

Chemical formula

O:C

Molar mass (g mol-1)

Density ρ (g cm-3)

Solubility (g 100 cm-3 H2O)a

DRH (%)

Ammonium sulfate

(NH4)2SO4

 

132.1

1.77

76.4

80.0 ± 1.35c

Ammonium nitrate

NH4NO3

 

80.0

1.72

213

61.8 ± 0.3d

Sodium chloride

NaCl

 

58.4

2.17

36.0

75.3 ± 0.1e

Oxalic acid

C2H2O4

2

90.0

1.90

9.5

97.1 ± 1.35c

Malonic acid

C3H4O4

1.33

104.1

1.62

76

65.2f

Succinic acid

C4H6O4

1

118.1

1.57

8.35

99.1 ± 0.3 g

Phthalic acid

C8H6O4

0.5

166.1

1.59

0.41b

> 99.5 h

Citric acid

C6H8O7

1.17

192.1

1.54

0.383

79i

Adipic acid

C6H10O4

0.67

146.1

1.36

0.03

99f

  1. aFrom CRC Handbook of Chemistry and Physics at 298 K. bFrom Huff Hartz et al. 93.
  2. cFrom Wise et al. 112. dFrom Lightstone et al. 157. eFrom Tang and Munkelwitz198.
  3. fFrom Peng et al. 33. gFrom Marcolli et al. 37. hFrom Zamora et al. 35.
  4. iFrom Apelblat et al. 199.
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