CN104387143A - Copper ammonium citrate preparation method - Google Patents
Copper ammonium citrate preparation method Download PDFInfo
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- CN104387143A CN104387143A CN201410547420.1A CN201410547420A CN104387143A CN 104387143 A CN104387143 A CN 104387143A CN 201410547420 A CN201410547420 A CN 201410547420A CN 104387143 A CN104387143 A CN 104387143A
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- water
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Classifications
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/41—Preparation of salts of carboxylic acids
- C07C51/412—Preparation of salts of carboxylic acids by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
- C05D9/02—Other inorganic fertilisers containing trace elements
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F11/00—Other organic fertilisers
Abstract
The invention discloses a copper ammonium citrate preparation method. The method is characterized in that copper ammonium citrate is prepared by using 100 parts of raw water, 12.5-13.5 parts of sodium citrate, 16-17 parts of copper sulfate and 20-30 parts of ammonia water; and the preparation method comprises the following steps: uniformly dispersing copper sulfate in water, adding sodium citrate, stirring until the solution is transparent, and heating for boiling to generate a precipitate; adding the precipitate into a reaction kettle, adding water, stirring for dispersion, adding parts of ammonia water, carrying out a stirring reaction until the precipitate disappears, heating for boiling, concentrating until the volume becomes 1/2 of the original volume, cooling to room temperature, adding the remaining ammonia water, carrying out a stirring reaction, drying in an oven to remove water, cooling the obtained solid, and crushing the cooled solid to obtain finished copper ammonium citrate. The copper ammonium citrate has the advantages of environmental protection, no residue, good compatibility, good nutrient absorption, low raw material cost and the like as a trace element regulator in plants, can be applied to water soluble fertilizers, foliar fertilizers, plant growth regulators and soil conditioners, and follows the new agricultural development trend.
Description
Technical field
The present invention relates to a kind of preparation method that can be used as the citric acid cuprammonium that micro elements by plants conditioning agent uses.
Background technology
In recent years, China's agricultural industry tempo is surprising, and country constantly puts into effect about agriculture industrialization adjustment policy, and all kinds of novel green, organic farm products, farm project prevails.But in the process that agricultural significantly develops, nitrogen is used in a large number in field, the constant traditional fertilizer such as phosphorus, and do not obtain system supply with the middle and trace element nutrient that crop takes away, cause the soil erosion lacking middle and trace element increasing, using of the conventional fertilizers such as excessive phosphorus also result in hardening of soil, and the problem about soil compaction has caused the attention of country.So increase using of medium trace element, alleviate soil compaction situation simultaneously, become the main development direction of modern agriculture.
Supplementing still based on inorganic salt of the current medium trace element to soil, EDTA Chelating state instead of part inorganic salt market with stronger chelating ability, and sugar alcohol chelating, chelating amino acids product have also been got by some producers simultaneously, and Chelating state has formed a kind of trend.But, the fertilizer efficiency limited duration of inorganic salt, and the chelating intensity of EDTA chelating salt is comparatively large, is in use difficult to release.
Summary of the invention
The object of the present invention is to provide a kind of preparation method that can be used as the citric acid cuprammonium that micro elements by plants conditioning agent uses.
For achieving the above object, the present invention can take following technical proposals:
The preparation method of citric acid cuprammonium of the present invention, is characterized in that: it is prepared from by following weight and method by raw water, Trisodium Citrate, copper sulphate powder and ammoniacal liquor:
Proportioning:
100 parts, water, Trisodium Citrate 12.5 ~ 13.5 parts, copper sulphate powder 16 ~ 17 parts, ammoniacal liquor 20 ~ 30 parts;
Preparation method:
The first step, is placed in whipping device by water and copper sulphate powder and is uniformly dispersed, obtain copper-bath;
Second step, adds Trisodium Citrate, continues to be stirred to liquation and become transparent in the copper-bath that the first step is obtained;
3rd step, the clear solution obtained by second step is heated to boiling, after generating precipitation, sedimentation and filtration is stand-by;
4th step, add in reactor by the 3rd step gained precipitation, the dispersed with stirring that adds water is even;
5th step, added by partial ammonia water in the reactor of the 4th step, stirring reaction is to precipitating disappearance;
6th step, by the 5th step gained solution ebuillition of heated, is concentrated into 1/2 of original volume;
7th step, remained ammonia joins after being cooled to room temperature by solution to be concentrated, and stirring reaction is placed in baking oven and dries moisture, and namely gained solid cooled obtains citric acid cuprammonium finished product after pulverizing.
Described Trisodium Citrate is Sodium Citrate, usp, Dihydrate Powder, and described copper sulphate powder is cupric sulfate pentahydrate powder.
The citric acid cuprammonium that the present invention obtains is as microelement regulator, and can supplement plant medium trace element, its using method is as follows:
1, use in soil: it can be used as base manure, seed manure or topdress and use.For saving fertilizer, improving fertilizer efficiency, usually adopting row replacement or method of spreading manuer in holes.Because soil application trace element fertilizer has certain aftereffect, can next year use.The amount of application of citric acid cuprammonium in soil is generally every mu of 5 ~ 10kg.
2, use on plant materials:
A, dress seed with a small amount of water will citric acid cuprammonium dissolve after be sprayed on seed, spray limit, limit stir, make seed-coat be stained with one deck solution, after drying in the shade sow.Seed dressing consumption is generally per kilogram seed consumption 1 ~ 6g, with water 40 ~ 60ml.
B, soaking seed citric acid cuprammonium to dissolve obtains the solution of concentration 0.01 ~ 0.1%, and immersed by seed, seed soaking time is 12 ~ 24h.
C, dip in root crop is transplanted to paddy rice and other, the Cuprocitrol ammonia solution of working concentration 0.1 ~ 1.0% can dip in root and use.
The tow sides of Cuprocitrol ammonia solution to plant leaf of d, root outer spraying concentration 0.02 ~ 0.1% spray, and are advisable so that blade surface is moistening.
The invention has the advantages that when it can be used as plant medium trace element conditioning agent to use, there is environmental protection, noresidue, compatibility is good, nutrition absorption is good, the advantages such as raw materials cost is low, can be widely used in Water soluble fertilizer, foliage fertilizer, plant-growth regulator, soil conditioner, comply with the agricultural development new direction of " green, organic, ecological ".
The complexing salt that the structure that citric acid cuprammonium is made up of copper, ammonia and citric acid is not clear, its complexing provides lone-pair electron to carry out complexing with the metal ion with unoccupied orbital by the nitrogen-atoms in ammonia, its complexation strength is less than EDTA chelating salt, when supplementing as plant medium trace element, the trace element in plant or soil can not only be supplemented, and can continue to act on.
Embodiment
Below by specific embodiment, the present invention is described in further detail.
embodiment 1
First cupric sulfate pentahydrate powder 1000g is accurately taken, Sodium Citrate, usp, Dihydrate Powder 785g, ammoniacal liquor 1500ml, water 6000ml;
Preparation method is:
The first step, adds 1000g cupric sulfate pentahydrate powder, is placed in whipping device stirring and dissolving, impurity screening in 4000 ml water;
Second step, adds the Sodium Citrate, usp, Dihydrate Powder of 785g in the copper-bath that the first step obtains, and continues to be stirred to liquation and becomes transparent;
3rd step, the clear solution obtained by second step is heated to boiling, continues to boil 10min, by sedimentation and filtration after generating precipitation;
4th step, add in reactor by the 3rd step gained precipitation, the 2000ml dispersed with stirring that adds water is even;
5th step, added by 1250ml ammoniacal liquor in the reactor of the 4th step, stirring reaction 30min is to precipitating disappearance;
6th step, by the 5th step gained solution ebuillition of heated, is concentrated into 1/2 of original volume;
7th step, joins remaining 250ml ammoniacal liquor after solution to be concentrated is cooled to room temperature, and stirring reaction 30min is placed on 120 ~ 130 DEG C of oven dry moisture in baking oven, and namely gained solid cooled obtains citric acid cuprammonium finished product after pulverizing.
embodiment 2
First cupric sulfate pentahydrate powder 1020g is accurately taken, Sodium Citrate, usp, Dihydrate Powder 810g, ammoniacal liquor 1860ml, water 6000ml;
Preparation method is:
The first step, adds 1020g cupric sulfate pentahydrate powder, is placed in whipping device stirring and dissolving, impurity screening in 4000 ml water;
Second step, adds the Sodium Citrate, usp, Dihydrate Powder of 810g in the copper-bath that the first step obtains, and continues to be stirred to liquation and becomes transparent;
3rd step, the clear solution obtained by second step is heated to boiling, continues to boil 20min, by sedimentation and filtration after generating precipitation;
4th step, add in reactor by the 3rd step gained precipitation, the 2000ml dispersed with stirring that adds water is even;
5th step, added by 1500ml ammoniacal liquor in the reactor of the 4th step, stirring reaction 30min is to precipitating disappearance;
6th step, by the 5th step gained solution ebuillition of heated, is concentrated into 1/2 of original volume;
7th step, joins remaining 360ml ammoniacal liquor after solution to be concentrated is cooled to room temperature, and stirring reaction 30min is placed on 120 ~ 130 DEG C of oven dry moisture in baking oven, and namely gained solid cooled obtains citric acid cuprammonium finished product after pulverizing.
embodiment 3
First cupric sulfate pentahydrate powder 960g is accurately taken, Sodium Citrate, usp, Dihydrate Powder 750g, ammoniacal liquor 1200ml, water 6000ml;
Preparation method is:
The first step, adds 960g cupric sulfate pentahydrate powder, is placed in whipping device stirring and dissolving, impurity screening in 4000 ml water;
Second step, adds the Sodium Citrate, usp, Dihydrate Powder of 750g in the copper-bath that the first step obtains, and continues to be stirred to liquation and becomes transparent;
3rd step, the clear solution obtained by second step is heated to boiling, continues to boil 20min, by sedimentation and filtration after generating precipitation;
4th step, add in reactor by the 3rd step gained precipitation, the 2000ml dispersed with stirring that adds water is even;
5th step, added by 1000ml ammoniacal liquor in the reactor of the 4th step, stirring reaction 30min is to precipitating disappearance;
6th step, by the 5th step gained solution ebuillition of heated, is concentrated into 1/2 of original volume;
7th step, joins remaining 200ml ammoniacal liquor after solution to be concentrated is cooled to room temperature, and stirring reaction 30min is placed on 120 ~ 130 DEG C of oven dry moisture in baking oven, and namely gained solid cooled obtains citric acid cuprammonium finished product after pulverizing.
The citric acid cuprammonium end properties data sheet that table 1 is prepared for above-described embodiment 1-3:
Table 1
。
As can be seen from above-mentioned detected result: citric acid cuprammonium metal content and the nitrogen content index of preparation are stablized, necessary trace copper can be provided for plant when using as micro-fertilizer, macroelement can also be supplemented as nitrogenous fertilizer.
Get 200ml distilled water, add citric acid cuprammonium prepared by 2g embodiment 1, after stirring and dissolving, add 2g water soluble fertilizer, stirring and dissolving, observe phenomena is in table 2.
Table 2
。
Data as can be seen from table 2, have good compatibility when the citric acid cuprammonium prepared by the present invention is mixed with other water-soluble fertilizer.
Claims (2)
1. a preparation method for citric acid cuprammonium, is characterized in that: it is prepared from by following weight and method by raw water, Trisodium Citrate, copper sulphate powder and ammoniacal liquor:
Proportioning:
100 parts, water, Trisodium Citrate 12.5 ~ 13.5 parts, copper sulphate powder 16 ~ 17 parts, ammoniacal liquor 20 ~ 30 parts;
Preparation method:
The first step, is placed in whipping device by water and copper sulphate powder and is uniformly dispersed, obtain copper-bath;
Second step, adds Trisodium Citrate, continues to be stirred to liquation and become transparent in the copper-bath that the first step is obtained;
3rd step, the clear solution obtained by second step is heated to boiling, after generating precipitation, sedimentation and filtration is stand-by;
4th step, add in reactor by the 3rd step gained precipitation, the dispersed with stirring that adds water is even;
5th step, added by partial ammonia water in the reactor of the 4th step, stirring reaction is to precipitating disappearance;
6th step, by the 5th step gained solution ebuillition of heated, is concentrated into 1/2 of original volume;
7th step, remained ammonia joins after being cooled to room temperature by solution to be concentrated, and stirring reaction is placed in baking oven and dries moisture, and namely gained solid cooled obtains citric acid cuprammonium finished product after pulverizing.
2. the preparation method of citric acid cuprammonium according to claim 1, is characterized in that: described Trisodium Citrate is Sodium Citrate, usp, Dihydrate Powder, and described copper sulphate powder is cupric sulfate pentahydrate powder.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410547420.1A CN104387143A (en) | 2014-10-16 | 2014-10-16 | Copper ammonium citrate preparation method |
| CN201510251576.XA CN104892394B (en) | 2014-10-16 | 2015-05-18 | Preparation method of ammonia copper citrate |
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| CN201410547420.1A CN104387143A (en) | 2014-10-16 | 2014-10-16 | Copper ammonium citrate preparation method |
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| CN201510251576.XA Active CN104892394B (en) | 2014-10-16 | 2015-05-18 | Preparation method of ammonia copper citrate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110894199A (en) * | 2019-12-11 | 2020-03-20 | 郑州瑞普生物工程有限公司 | Preparation method of ammonium magnesium citrate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108084018A (en) * | 2018-01-10 | 2018-05-29 | 四川省畜牧科学研究院 | A kind of manufacturing method of feed copper citrate and its application |
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| CN1052302A (en) * | 1989-11-28 | 1991-06-19 | 北京有色金属研究总院 | Titanium compound for plant growing regulating agent and synthetic |
| IL133942A0 (en) * | 1997-07-09 | 2001-04-30 | Akzo Nobel Nv | Chelating agents and their manganic chelates |
| IT1302030B1 (en) * | 1998-08-21 | 2000-07-20 | Graziano Vignali | COLORING FORMULATIONS FOR CERAMICS, BASED ON GOLD WATER SOLUBLE COMPOUNDS. |
| US7129375B2 (en) * | 2002-10-16 | 2006-10-31 | Zinpro Corporation | Metal complexes of α amino dicarboxylic acids |
| CN101704738B (en) * | 2009-11-25 | 2012-09-05 | 郑州瑞普生物工程有限公司 | Production method of ammonium ferric citrate |
| CN104030800A (en) * | 2014-05-20 | 2014-09-10 | 安徽三星化工有限责任公司 | High-quality strawberry planting dedicated slow-release compound fertilizer |
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| CN110894199A (en) * | 2019-12-11 | 2020-03-20 | 郑州瑞普生物工程有限公司 | Preparation method of ammonium magnesium citrate |
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Application publication date: 20150304 |