Calculation of Dissolved Solids by epm

 

 

Formula

No.Of Equivalents

Equivalent Weight

Positive Ions

Aluminium

Al +++

3

9.0

Ammonium

Nh4 +

1

18.0

Calcium

Ca }

2

20.0

Copper

Cu++

2

31.8

Hydrogen

H+

1

1.0

Ferrous Ion

Fe++

2

27.9

Ferric Ion

Fe+++

3

18.6

Magnesium

Mg++

2

12.2

Manganese

Mn++

2

27.5

Potassium

K+

1

39.1

Sodium

Na+

1

23.0

Negative Ions

Bicarbonate

HCO3 -

1

61.0

Carbonate

Co3 --

2

30.0

Chloride

Cl -

1

35.5

Fluoride

F -

1

19.0

Iodide

I -

1

126.9

Hydroxide

Oh -

1

17.0

Nitrate

NO3 -

1

62.0

Phosphate (Tribasic)

PO ---

4-

3

31.7

 

Phosphate    (Dibasic)

HPO4 --

2

48.0

Phosphate (Monobasic)

H2PO4 -

1

97.0

Sulfate

SO4--

2

48.0

Bisulfate

HSO4 -

1

97.1

Sulfite

SO3 --

2

40.0

Bisulfite

HSO3 -

1

81.1

Sulfide

S --

2

16.0

Compounds

 

 

 

Alum

Al2 (SO4)3 -18 H2O

6

111.0

Aluminium Sulfate (Anhydrous)

Al2 (SO4)3

6

57.0

Aluminium Hydroxide

Al (Oh)3

3

26.0

Aluminium Oxide

Al2 O3

6

17.0

Ammonia

NH3

1

17.0

Sodium Aluminate

Na2Al2O4

6

27.0

Calcium Bicarbonate

Ca (HCO3)2

2

81.1

Calcium Carbonate

CaCO3

2

50.0

Calcium Chloride

CaCl2

2

55.5

Calcium Hydroxide

Ca(OH2)

2

37.0

Calcium Oxide

CaO

2

28.1

Calcium Sulfate (Anhydrous)

CaSO4

2

68.1

Calcium Sulfate (Gypsum)

CaSO4 2H2O

2

86.1

Calcium Phosphate

Ca3 (PO4)2

6

51.7

Carbon Dioxide

CO2

2

22.0

Chlorine

Cl2

2

35.5

Ferrous Sulfate (Anhydrous)

FeSO4

2

76.0

Ferric Sulfate

Fe2 (SO4)3

6

66.6

Magnesium Oxide

MgO

2

20.2

Magnesium Bicarbonate

Mg(HCO3)2

2

73.2

Magnesium Carbonate

MgCO3

2

42.2

Magnesium Chloride

MgCl2

2

47.6

Magnesium Hydroxide

Mg(OH)2

2

29.2

Magnesium Phosphate

Mg3 (PO4) 2

6

43.8

Magnesium Sulfate (Anhydrous)

MgSO4

2

60.2

Magnesium     Sulfate                        (Epsom Salts)

MgSO4 7H2O

2

123.2

Magnesium Hydroxide

Mn (OH)2

2

44.5

Silica

SiO2

2

30.0

Sodium Bicarbonate

NaHCO3

1

84.0

Sodium Carbonate

Na2CO3

2

53.0

Sodium Chloride

NaCl

1

58.4

Sodium Hydroxide

NaOH

1

40.0

Sodium Nitrate

NaNO3

1

85.0

Trisodium Phosphate

Na3PO4 12H2O

3

126.7

Trisodium                                     Phosphate

(Anhydrous)

Na3PO4

3

54.7

Disodium Phosphate

Na2 HPO4- 12H2O

2

179.1

Disodium Phosphate (Anhydrous)

Na2HPO4

2

71.0

Monosodium Phosphate

NaH2PO4 H2O

1

138.0

Monosodium Phosphate

(Anhydrous)

NaH2PO4

1

120.0

Sodium Silicate

Na2SiO3

2

61.0

Sulfuric Acid

H2SO4

2

49.0

Sodium Metaphosphate

NaPO3

1

102.0

Sodium Sulfate

Na2SO4

2

71.0

Sodium Sulfite

Na2SO3

2

63.0

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