CN108569675A - A kind of acid solution and the method using its dissolving iron powder - Google Patents
A kind of acid solution and the method using its dissolving iron powder Download PDFInfo
- Publication number
- CN108569675A CN108569675A CN201810561107.1A CN201810561107A CN108569675A CN 108569675 A CN108569675 A CN 108569675A CN 201810561107 A CN201810561107 A CN 201810561107A CN 108569675 A CN108569675 A CN 108569675A
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- China
- Prior art keywords
- acid solution
- iron powder
- solution
- dissolving
- hydrochloric acid
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
- B01F21/02—Methods
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
- C01B21/38—Nitric acid
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
The invention discloses a kind of acid solution and application, it dissolves the method for iron powder, includes hydrochloric acid solution and salpeter solution in acid solution, and the volume ratio of hydrochloric acid solution and salpeter solution is (2~0.2)：1, wherein a concentration of 12mol/L of hydrochloric acid solution, a concentration of 16mol/L of salpeter solution.The acid solution of the present invention improves the solution rate of iron powder, and in the acid solution of unit volume iron powder meltage it is also big, improve the dissolved efficiency of iron powder, and can carry out at normal temperatures, the additional condition such as need not heat.
Description
Technical field
The present invention relates to a kind of methods of its dissolving iron powder of acid solution and application.
Background technology
Currently, laboratory method is that concentrated hydrochloric acid is taken to dissolve by heating iron powder mostly, have the following disadvantages：
1. a small amount of iron powder can only be dissolved；
2. very slow with the speed that concentrated hydrochloric acid dissolves；
3. needing to heat to improve rate of dissolution and dissolution degree, experimental implementation is more complicated, and heating process is also pair
The waste of the energy, and concentrated hydrochloric acid volatilization can also be made to generate irritative gas.
Invention content
The technical problem to be solved by the present invention is to overcome the deficiencies of existing technologies, a kind of acid solution is provided, it improves iron
The solution rate of powder, and in the acid solution of unit volume iron powder meltage it is also big, improve the dissolved efficiency of iron powder, and can be
It is quickly dissolved under room temperature.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of acid solution, it includes hydrochloric acid solution and nitric acid
The volume ratio of solution, hydrochloric acid solution and salpeter solution is (2~0.2)：1, wherein a concentration of 12mol/L of hydrochloric acid solution, nitric acid
A concentration of 16mol/L of solution.
Further, the volume ratio of the hydrochloric acid solution and salpeter solution is 1：5.
The present invention also provides a kind of methods of the dissolving iron powder using acid solution, the step of method in include：
(1) acid solution is prepared：Each component is uniformly mixed according to volume parts, acid solution is made；
(2) iron powder is dissolved：Iron powder is put into acid solution, to dissolve iron powder.
Further for acid solution and iron powder is made full use of, in step (2), 6g iron powders are added in every 30 milliliters of acid solutions.
Further for the contact area for increasing iron powder and acid solution, in step (2), during dissolving iron powder, Bian Rong
It is stirred with glass bar on solution side.
Further, the process of iron powder dissolving carries out at normal temperatures.
Further, in step (1), acid solution is prepared in the container insoluble in acid solution, in step (2), insoluble in acid solution
Container in dissolve iron powder.
Further, the container is glass container or polytetrafluoroethylcontainer container.
After using above-mentioned technical proposal, hydrochloric acid solution and salpeter solution are mixed with specific volume proportion in the present invention
To prepare acid solution, the solution rate of iron powder reaches most fast, and in the acid solution of unit volume, the meltage of iron powder also reaches maximum,
The time for saving iron powder dissolving improves the efficiency of iron powder dissolving；6g iron powders are added in every 30 milliliters of acid solutions, proportioning is suitable,
Acid solution and iron powder are taken full advantage of, the waste of acid solution and iron powder is avoided；The present invention dissolves iron powder under normal temperature condition, eliminates
Heating, reduces energy expenditure, also simplifies experimental implementation.
Specific implementation mode
In order that the present invention can be more clearly and readily understood, the present invention is made into one below according to specific embodiment
Step detailed description.
Embodiment one
A kind of acid solution, it includes hydrochloric acid solution and salpeter solution, and the volume ratio of hydrochloric acid solution and salpeter solution is 2：1,
In, a concentration of 12mol/L of hydrochloric acid solution, a concentration of 16mol/L of salpeter solution.
A method of using the dissolving iron powder of acid solution, the step of method in include：
(1) acid solution is prepared：Each component is uniformly mixed according to volume parts, acid solution is made；
(2) iron powder is dissolved：Iron powder is put into acid solution, to dissolve iron powder.
In order to make full use of acid solution and iron powder, in step (2), 6g iron powders are added in every 30 milliliters of acid solutions.
In order to increase the contact area of iron powder and acid solution, in step (2), during dissolving iron powder, used in dissolving
Glass bar stirs.
The process of iron powder dissolving carries out at normal temperatures.
In step (1), acid solution is prepared in the container insoluble in acid solution, in step (2), in the container insoluble in acid solution
Dissolve iron powder.
The container is glass container.
Embodiment two
A kind of acid solution, it includes hydrochloric acid solution and salpeter solution, and the volume ratio of hydrochloric acid solution and salpeter solution is 0.5：1,
Wherein, a concentration of 12mol/L of hydrochloric acid solution, a concentration of 16mol/L of salpeter solution.
A method of using the dissolving iron powder of acid solution, the step of method in include：
(1) acid solution is prepared：Each component is uniformly mixed according to volume parts, acid solution is made；
(2) iron powder is dissolved：Iron powder is put into acid solution, to dissolve iron powder.
In order to make full use of acid solution and iron powder, in step (2), 6g iron powders are added in every 30 milliliters of acid solutions.
In order to increase the contact area of iron powder and acid solution, in step (2), during dissolving iron powder, used in dissolving
Glass bar stirs.
The process of iron powder dissolving carries out at normal temperatures.
In step (1), acid solution is prepared in the container insoluble in acid solution, in step (2), in the container insoluble in acid solution
Dissolve iron powder.
The container is glass container.
Embodiment three
A kind of acid solution, it includes hydrochloric acid solution and salpeter solution, and the volume ratio of hydrochloric acid solution and salpeter solution is 0.2：1,
Wherein, a concentration of 12mol/L of hydrochloric acid solution, a concentration of 16mol/L of salpeter solution.
A method of using the dissolving iron powder of acid solution, the step of method in include：
(1) acid solution is prepared：Each component is uniformly mixed according to volume parts, acid solution is made；
(2) iron powder is dissolved：Iron powder is put into acid solution, to dissolve iron powder.
In order to make full use of acid solution and iron powder, in step (2), 6g iron powders are added in every 30 milliliters of acid solutions.
In order to increase the contact area of iron powder and acid solution, in step (2), during dissolving iron powder, used in dissolving
Glass bar stirs.
The process of iron powder dissolving carries out at normal temperatures.
In step (1), acid solution is prepared in the container insoluble in acid solution, in step (2), in the container insoluble in acid solution
Dissolve iron powder.
The container is glass container.
Table 1：Iron powder is in the acid solution mixed with different volume ratios by hydrochloric acid solution, sulfuric acid solution and salpeter solution
Dissolving situation
Wherein, a concentration of 12mol/mL of hydrochloric acid solution, a concentration of 18mol/mL of sulfuric acid solution, the concentration of salpeter solution
For 16mol/mL.
As shown in table 1, meltage of the iron powder in the acid solution mixed by hydrochloric acid solution and salpeter solution reaches maximum,
It at least can dissolve 0.125g iron powders in every milliliter of acid solution.
Table 2：Iron powder dissolves in the acid solution that 30ml is mixed by hydrochloric acid solution and salpeter solution with different volume ratios
Weight
Wherein, a concentration of 12mol/mL of hydrochloric acid solution, a concentration of 18mol/mL of sulfuric acid solution, the concentration of salpeter solution
For 16mol/mL.
As shown in table 2, in acid solution, the volume ratio of hydrochloric acid solution and salpeter solution is 1：It, can in every 30 milliliters of acid solutions when 5
6g iron powders are dissolved, in unit volume acid solution, the meltage of iron powder reaches maximum.
Working principle of the present invention is as follows：
Hydrochloric acid solution and salpeter solution are mixed with specific volume proportion to prepare acid solution, the dissolving of iron powder in the present invention
Speed reaches most fast, and in the acid solution of unit volume, and the meltage of iron powder also reaches maximum, saves the time of iron powder dissolving,
Improve the efficiency of iron powder dissolving；6g iron powders are added in every 30 milliliters of acid solutions, proportioning is suitable, takes full advantage of acid solution and iron powder,
Avoid the waste of acid solution and iron powder；The present invention dissolves iron powder under normal temperature condition, eliminates heating, reduces energy expenditure,
Also simplify experimental implementation.
Particular embodiments described above, pair present invention solves the technical problem that, technical solution and advantageous effect carry out
It is further described, it should be understood that the above is only a specific embodiment of the present invention, is not limited to this
Invention, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this hair
Within bright protection domain.
Claims (8)
1. a kind of acid solution, which is characterized in that it includes hydrochloric acid solution and salpeter solution, the volume ratio of hydrochloric acid solution and salpeter solution
For (2~0.2)：1, wherein a concentration of 12mol/L of hydrochloric acid solution, a concentration of 16mol/L of salpeter solution.
2. acid solution as described in claim 1, it is characterised in that：The volume ratio of the hydrochloric acid solution and salpeter solution is 1：5.
3. a kind of method of application such as dissolving iron powder of claim 1~2 any one of them acid solution, which is characterized in that method
The step of in include：
(1) acid solution is prepared：Each component is uniformly mixed according to volume parts, acid solution is made；
(2) iron powder is dissolved：Iron powder is put into acid solution, to dissolve iron powder.
4. the method for dissolving iron powder according to claim 3, it is characterised in that：In step (2), add in every 30 milliliters of acid solutions
Enter 6g iron powders.
5. the method for dissolving iron powder according to claim 3, it is characterised in that：In step (2), in the process of dissolving iron powder
In, it is stirred with glass bar in dissolving.
6. the method for dissolving iron powder according to claim 5, it is characterised in that：Iron powder dissolving process at normal temperatures into
Row.
7. the method for dissolving iron powder according to claim 3, it is characterised in that：In step (1), in the appearance insoluble in acid solution
It prepares acid solution in device, in step (2), iron powder is dissolved in the container insoluble in acid solution.
8. the method for dissolving iron powder according to claim 7, it is characterised in that：The container is glass container or polytetrafluoro
Ethylene container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810561107.1A CN108569675A (en) | 2018-06-04 | 2018-06-04 | A kind of acid solution and the method using its dissolving iron powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810561107.1A CN108569675A (en) | 2018-06-04 | 2018-06-04 | A kind of acid solution and the method using its dissolving iron powder |
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| CN108569675A true CN108569675A (en) | 2018-09-25 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1386907A (en) * | 2001-05-18 | 2002-12-25 | 天津市宇泰化工高科技有限公司 | Liquid for removing oil and rust from metal and its preparing process |
| CN105510096A (en) * | 2015-12-01 | 2016-04-20 | 南京宝色股份公司 | Fast dissolving reagent for austenitic stainless steel chemical wet analysis and method dissolving austenitic stainless steel with fast dissolving reagent |
| CN108037112A (en) * | 2017-11-28 | 2018-05-15 | 呼伦贝尔驰宏矿业有限公司 | A kind of method of nickel in Flame Atomic Absorption Spectrometry method measure reduced iron powder |
-
2018
- 2018-06-04 CN CN201810561107.1A patent/CN108569675A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1386907A (en) * | 2001-05-18 | 2002-12-25 | 天津市宇泰化工高科技有限公司 | Liquid for removing oil and rust from metal and its preparing process |
| CN105510096A (en) * | 2015-12-01 | 2016-04-20 | 南京宝色股份公司 | Fast dissolving reagent for austenitic stainless steel chemical wet analysis and method dissolving austenitic stainless steel with fast dissolving reagent |
| CN108037112A (en) * | 2017-11-28 | 2018-05-15 | 呼伦贝尔驰宏矿业有限公司 | A kind of method of nickel in Flame Atomic Absorption Spectrometry method measure reduced iron powder |
Non-Patent Citations (1)
| Title |
|---|
| 孙志: "由废铁屑制备三氯化铁", 《中学化学教学参考》 * |
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