|
Sources of boron
|
Element
(%)
|
Water Solubility
(g/100g H20)
|
°C
|
Granular borax
Na2B4O7•10H2O
|
11.3
|
2.5
|
1 |
Sodium tetraborate, anhydrous
Na2B4O7 |
21.5
|
1.3
|
1 |
Solubor®
Na2B8O13•4H2O |
20.5
|
22
|
13 |
Ammonium pentaborate
NH4B5O8•4H2O |
19.9 |
7 |
18 |
|
Sources of copper
|
Element
(%)
|
Water Solubility
(g/100g H20)
|
°C
|
Copper sulfate
CuSO4•5H2O |
25.0 |
24 |
1 |
Cuprous oxide
Cu2O |
88.8 |
insoluable |
|
Cupric oxide
CuO |
79.8 |
insoluable |
|
Cuprous chloride
Cu2Cl2 |
64.2 |
1.5 |
25 |
Cupric chloride
CuCl2 |
47.2 |
71 |
1 |
|
Sources of iron
|
Element
(%)
|
Water Solubility
(g/100g H20)
|
°C
|
Ferrous sulfate
FeSO4•7H2O |
20.1 |
33 |
1 |
Ferric sulfate
Fe(SO4)3•9H2O |
19.9 |
440 |
20 |
Iron oxalate
Fe2(C2O4)3
|
30.0 |
very soluble |
1 |
Ferrous ammonium sulfate
Fe(NH4)2(SO4)2•6H2O |
14.2 |
18 |
1 |
Ferric chloride
FeCl3 |
34.4 |
74 |
1 |
|
Sources of manganese
|
Element
(%)
|
Water Solubility
(g/100g H20)
|
°C
|
Manganous sulfate
MnSO4•4H2O |
24.6 |
105 |
1 |
Manganous carbonate
MnCO3 |
47.8 |
0.0065 |
25 |
Manganese oxide
Mn3O4 |
72.0 |
insoluable |
|
Manganous chloride
MnCl2 |
43.7 |
63 |
1 |
Manganous oxide
MnO |
77.4 |
|
|
|
Sources of molybdenum
|
Element
(%)
|
Water Solubility
(g/100g H20)
|
°C
|
Sodium molybdate
Na2MoO4•H2O |
39.7 |
56 |
1 |
Ammonium molybdate
(NH4)6Mo7O24•4H2O
|
54.3 |
44 |
25 |
Molybdic oxide
MoO3 |
66.0 |
0.11 |
18 |
|
Sources of zinc
|
Element
(%)
|
Water Solubility
(g/100g H20)
|
°C
|
Zinc sulfate
ZnSO4•H2O |
36.4 |
89 |
100 |
Zinc oxide
ZnO |
80.3 |
insoluable |
|
Zinc carbonate
ZnCO3 |
52.1 |
0.001 |
16 |
Zinc chloride
ZnCl2 |
48.0 |
432 |
25 |
Zinc oxysulfate
ZnO•ZnSO4 |
53.8 |
– |
– |
Zinc ammonium sulfate
ZnSO4•(NH4)2SO4•6H2O
|
16.3 |
9.6 |
1 |
Zinc nitrate
Zn(NO3)2•6H2O |
22.0 |
324 |
20 |
|
