Chemical composition and method
The invention relates to an aqueous solution consisting essentially of: (a) hydrogen peroxide; (b) at least one compound selected from the group consisting of complexing agents based on phosphonic acids, salts and degradation products thereof in an amount from about 10 to about 60 wt % based on the amount of hydrogen peroxide; (c) water; and (d) components other than (a) through (c) in an amount from 0 up to about 10 wt % based on the amount of hydrogen peroxide The invention further concerns a soil oxygenation or micronutrient composition comprising hydrogen peroxide, a process for its preparation, and a process for the oxygenation of soil.
1. An aqueous solution consisting of:
(a) hydrogen peroxide in an amount from about 20 to about 70 wt %, based on the entire solution;
(b) at least one compound selected from the group consisting of 1-hydroxyethylidine-1,1-diphosphonic acid, salts and degradation products thereof in an amount from about 10 to about 60 wt % based on the amount of hydrogen peroxide;
(c) water; and
(d) components other than (a) through (c) in an amount from 0 up to about 10 wt %, based on the amount of hydrogen peroxide.
2. A solution as claimed in claim 1 , wherein the amount of component (b) is from about 20 to about 50 wt %, based on the amount of hydrogen peroxide.
3. A solution as claimed in claim 2 , wherein the amount of component (b) is from about 35 to about 45 wt % based on the amount of hydrogen peroxide.
4. A solution as claimed in claim 1 , wherein the amount of components other than (a) through (c) is up to about 5 wt % based on the amount of hydrogen peroxide.
5. A solution as claimed in claim 4 , wherein the amount of components other than (a) through (c) is up to about 2 wt % based on the amount of hydrogen peroxide.
6. A solution as claimed in claim 5 , wherein the amount of components other than (a) through (c) is up to about 1 wt % based on the amount of hydrogen peroxide.
7. A solution as claimed in claim 1 , wherein the pH is below 7.
8. A solution as claimed in claim 7 , wherein the pH is from about 0 to about 6.
9. A solution as claimed in claim 3 , wherein the amount of components other than (a) through (c) is up to about 1 wt % based on the amount of hydrogen peroxide.
10. A soil oxygenating or micronutrient composition comprising:
(a) hydrogen peroxide;
(b) at least one compound selected from the group consisting of 1-hydroxyethylidine-1,1-diphosphonic acid, salts and degradation products thereof in an amount from about 10 to about 60 wt % based on the amount of hydrogen peroxide; and,
(c) at least one metal selected from the group consisting of:
(i) Fe in an amount of at least 0.005 wt % based on the entire composition;
(ii) Mn in an amount of at least 0.002 wt % based on the entire composition;
(iii) Mo in an amount of at least 0.000001 wt % based on the entire composition; and
(iv) Zn in an amount of at least 0.005 wt % based on the entire composition.
11. A soil oxygenating or micronutrient composition as claimed in claim 10 , wherein the amount of hydrogen peroxide is from about 0.1 to about 20 wt % of the entire composition.
12. A soil oxygenating or micronutrient composition as claimed in claim 10 , wherein the amount of component (b) is from about 20 to about 50 wt %, based on the amount of hydrogen peroxide.
13. A process for the preparation of a soil oxygenating or micronutrient composition comprising a step of adding an aqueous solution comprising hydrogen peroxide and at least one compound selected from the group consisting of 1-hydroxyethylidine-1,1-diphosphonic acid, salts and degradation products thereof in an amount from about 10 to about 60 wt % based on the amount of hydrogen peroxide, to a composition comprising at least one metal selected from the group consisting of Fe, Mn, Mo and Zn.
14. A process for oxygenating soil comprising a step of adding to the soil a composition comprising:
(a) hydrogen peroxide;
(b) at least one compound selected from the group consisting of 1-hydroxyethylidine-1,1-diphosphonic acid, salts and degradation products thereof in an amount from about 10 to about 60 wt % based on the amount of hydrogen peroxide; and,
(c) at least one metal selected from the group consisting of:
(i) Fe in an amount of at least 0.005 wt % based on the entire composition;
(ii) Mn in an amount of at least 0.002 wt % based on the entire composition;
(iii) Cu in an amount of at least 0.0001 wt % based on the entire composition; (iv) Mo in an amount of at least 0.000001 wt % based on the entire composition; and,
(v) Zn in an amount of at least 0.005 wt % based on the entire composition.
15. A process for oxygenating soil as claimed in claim 14 , wherein the amount of component (b) is from about 20 to about 50 wt %, based on the amount of hydrogen peroxide, and wherein the amount of hydrogen peroxide is from about 0.1 to about 20 wt % of the entire composition.
16. A solution as claimed in claim 1 , wherein the aqueous solution contains: (1) less than 175 mg/L of one or more phosphonic acid based complexing agents other than said 1-hydroxyethylidine-1,1-diphosphonic acid, salts and degradation products thereof; and (2) less than 500 mg/L sodium nitrate.
17. A cleaning solution comprising:
(a) a stabilized hydrogen peroxide solution consisting of:
(i) hydrogen peroxide in an amount from about 20 to about 70 wt %, based on the entire solution;
(ii) at least one compound selected from the group consisting of 1-hydroxyethylidine-1,1-diphosphonic acid, salts and degradation products thereof in an amount from about 10 to about 60 wt % based on the amount of hydrogen peroxide;
(iii) water; and
(iv) components other than (i) through (iii) in an amount from 0 up to about 10 wt %, based on the amount of hydrogen peroxide; and
(b) at least one non-ionic surfactant.
18. A cleaning solution as claimed in claim 17 , wherein the amount of component (ii) is from about 20 to about 50 wt %, based on the amount of hydrogen peroxide.
19. A cleaning solution as claimed in claim 18 , wherein the amount of component (ii) is from about 35 to about 45 wt % based on the amount of hydrogen peroxide.
20. A cleaning solution as claimed in claim 17 , wherein the amount of components other than (i) through (iii) is up to about 5 wt % based on the amount of hydrogen peroxide.
21. A cleaning solution as claimed in claim 20 , wherein the amount of components other than (i) through (iii) is up to about 2 wt % based on the amount of hydrogen peroxide.
22. A cleaning solution as claimed in claim 21 , wherein the amount of components other than (i) through (iii) is up to about 1 wt % based on the amount of hydrogen peroxide.
23. A cleaning solution as claimed in claim 17 , wherein the pH of said stabilized hydrogen peroxide solution is below 7.