CN106198529A - The test kit of a kind of quick mensuration inorganic acid concentration and method thereof - Google Patents
The test kit of a kind of quick mensuration inorganic acid concentration and method thereof Download PDFInfo
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- CN106198529A CN106198529A CN201610714665.8A CN201610714665A CN106198529A CN 106198529 A CN106198529 A CN 106198529A CN 201610714665 A CN201610714665 A CN 201610714665A CN 106198529 A CN106198529 A CN 106198529A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- General Physics & Mathematics (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
The invention discloses a kind of test kit and the method thereof of quick mensuration inorganic acid concentration, belong to food/environmental test determination techniques field, relate to acid concentration detection.The test kit of a kind of quick mensuration inorganic acid concentration, including little test kit, colorimetric card and probe tube；Wherein said little test kit is built with dissolved with La3+、Zr4+, the deionized water of developer.Present configuration is simple, easy to use, can quickly, accurate, trace to acid concentration visual inspection.
Description
Technical field
The invention belongs to food/environmental test determination techniques field, relate to acid concentration detection, be specifically related to a kind of quickly survey
Determine test kit and the method thereof of inorganic acid concentration.
Background technology
The concentration of acid is to organic synthesis, food industry, intermetallic composite coating and the aspect such as inorganic medicine and organic drug production
All have a significant impact.At present, the assay method of organic acid concentration is because of kind, and media environment and application etc. are different and different；
And the assay method of mineral acid (example hydrochloric acid, sulphuric acid and nitric acid etc.) concentration is mainly acid-base titrations, it is applicable in laboratory more
Detection.
2,014,108,441,905 1 kinds of butyl xanthic acid quick detection kit of Chinese patent and detection method, and China is special
, there is detection organic acid concentration agent box in the assay method of profit 200710024765.9 malic acid concentrations and malic acid diagnosis test kit
Building block various, and test process is loaded down with trivial details.Although at standard " animal and plant fat acid number and acidity assaying " (GB/T 5530-
2005) and in " spice acid number or the mensuration of acid content " (GB/T 14455.5-2008), the test of its organic acid concentration has logical
Cross titration measuring, but sample handling processes is complicated.
For mineral acid, 20,152,055,723 9.9 1 kinds of Novel thin acid densitometer detection devices of Chinese patent, by one
Plant novel test device and measure the concentration of diluted acid, be suitable for the test of acidity during technique produces, but its device remains a need for joining
Standby acidometer, and need more acid solution, it is not suitable for field work and experiment demand etc..
Cannot realize the trace of inorganic acid solution concentration to solve prior art, simplicity intuitively, quick and precisely detects
Technology, the invention provides a kind of test kit and the method thereof of quick mensuration inorganic acid concentration.
Summary of the invention
It is an object of the invention to provide a kind of test kit and the method thereof of quick mensuration inorganic acid concentration.
The present invention is achieved by the following technical solutions:
The test kit of a kind of quick mensuration inorganic acid concentration, including little test kit, colorimetric card and probe tube；Wherein said lab scale
Agent box is built with dissolved with La3+、Zr4+, the deionized water of developer.
Further, described developer is arsenazo Ⅲ.
Described La3+Concentration be 1.20 × 10-5～1 × 10-4Mol/L, Zr4+Concentration be 3.66 × 10-6～1 × 10-4Mol/L, the concentration of developer is 1.07 × 10-5～1 × 10-4mol/L。
The volume of described little test kit is 5mL, equipped with the solution of 3mL.
Described colorimetric card includes sulphuric acid colorimetric card, nitric acid colorimetric card, hydrochloric acid colorimetric card and phosphoric acid colorimetric card, wherein sulfur
The concentration range of acid ratio variable color is 6.62 × 10-3 Mol/L～1.96 × 10-2 Mol/L, nitric acid than the concentration range of variable color is
6.62×10-3 Mol/L～9.68 × 10-2 Mol/L, the concentration range of salt acid ratio variable color is 6.62 × 10-3 Mol/L～5.66
×10-2 Mol/L, phosphoric acid is 1.96 × 10 than the concentration range of variable color-2Mol/L～1.88 × 10-1 mol/L。
Described probe tube is spiral probe tube with a scale, and range is 250 μ L, and scale division value is 5 μ L.
Described probe tube is spiral probe tube with a scale, and range is 100 μ L, and scale division value is 2 μ L.
Further, utilizing mentioned reagent box to carry out inorganic acid concentration and survey method for measuring, step is:
Drawing mineral acid to be measured with probe tube, join in little test kit, mineral acid reacts with solution, by colorimetric card and
The concentration of mineral acid is obtained after solution colour contrast.
The kind of colorimetric card color of the present invention is different because the kind of acid is different, during use, adds one in little test kit
Determine the acid solution that volumetric concentration is unknown, demonstrate and be different from the color of solution colour, phase in contrast ratio colour atla in former little test kit
The color answered, and then infer the concentration of this acid solution, when inorganic acid concentration height, first mineral acid is diluted certain times
Number, is then added in little test kit, carries out colorimetric.
Present configuration is simple, easy to use, can quickly, accurate, trace to acid concentration visual inspection.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1 surveys the test kit of sulfuric acid concentration
Detection sulfuric acid concentration test kit, is made up of little test kit, colorimetric card and probe tube with a scale four part, little test kit volume
For 5mL, equipped with the solution of 3mL, wherein La3+Concentration be 1.20 × 10-5Mol/L, Zr4+Concentration be 3.66 × 10-6Mol/L,
The concentration of developer is 1 × 10-4mol/L；Colorimetric card is a square hard paper, and color indicates concentration respectively by 6.62 × 10-3
Mol/L～1.96 × 10-2 Mol/L, probe tube is with a scale, and range is 100 μ L, and scale division value is 2 μ L, during use, uses probe tube
Take liquid and add little test kit, corresponding color in contrast ratio colour atla, and then learn the concentration of this sulfuric acid solution, if after Jia Ruing
Acid solution unknown for original content outside colorimetric card, is then diluted n times by color, then takes with the probe tube with a scale after cleaning
Acid solution after same volume dilution joins in little test kit, and the color after effect reaches the color in colorimetric card, then
The concentration of this sulfuric acid solution can be learnt.
Embodiment 2 detects the test kit of concentration of nitric acid
Detection concentration of nitric acid test kit, is made up of little test kit, colorimetric card and probe tube with a scale four part, little test kit volume
For 5mL, equipped with the solution of 3mL, wherein La3+Concentration be 1 × 10-4Mol/L, Zr4+Concentration be 1 × 10-4Mol/L, developer
Concentration be 1.07 × 10-5mol/L；Colorimetric card is a square hard paper, and color indicates concentration respectively by 6.62 × 10-3
Mol/L～9.68 × 10-2 Mol/L, probe tube is with a scale, and range is 100 μ L, and scale division value is 2 μ L, during use, uses probe tube
Take liquid and add little test kit, corresponding color in contrast ratio colour atla, and then learn the concentration of this salpeter solution, if after Jia Ruing
Acid solution unknown for original content outside colorimetric card, is then diluted n times by color, then takes with the probe tube with a scale after cleaning
Acid solution after same volume dilution joins in little test kit, and the color after effect reaches the color in colorimetric card, then
The concentration of this salpeter solution can be learnt.
Embodiment 3 detects the test kit of concentration of hydrochloric acid
Detection concentration of hydrochloric acid test kit, is made up of little test kit, colorimetric card and probe tube with a scale four part, little test kit volume
For 5mL, equipped with the solution of 3mL, wherein La3+Concentration be 0.6 × 10-4Mol/L, Zr4+Concentration be 2 × 10-5Mol/L, colour developing
The concentration of agent is 0..08 × 10-4mol/L；Colorimetric card is a square hard paper, and color indicates concentration respectively by 6.62 × 10-3
Mol/L～5.66 × 10-2 Mol/L, probe tube is with a scale, and range is 100 μ L, and scale division value is 2 μ L, during use, with sampling
Pipe takes liquid and adds little test kit, corresponding color in contrast ratio colour atla, and then learns the concentration of this hydrochloric acid solution, if after Jia Ruing
Color outside colorimetric card, then acid solution unknown for original content is diluted n times, then with the probe tube with a scale after cleaning
Acid solution after taking same volume dilution joins in little test kit, and the color after effect reaches the color in colorimetric card,
Then can learn the concentration of this hydrochloric acid solution.
Embodiment 4 detects the test kit of phosphoric acid concentration
Detection phosphoric acid concentration test kit, is made up of little test kit, colorimetric card and spiral probe tube four part with a scale, little reagent
Box volume is 5mL, equipped with the solution of 3mL, and wherein La3+Concentration be 0.5 × 10-4Mol/L, Zr4+Concentration be 1.9 × 10- 4Mol/L, the concentration of developer is 3 × 10-5mol/L；Colorimetric card is a square hard paper, color indicate respectively concentration by
1.96×10-2Mol/L～1.88 × 10-1 Mol/L, probe tube is with a scale, and range is 250 μ L, and scale division value is 5 μ L, uses
Time, take liquid with probe tube and add little test kit, corresponding color in contrast ratio colour atla, and then learn the concentration of this phosphoric acid solution,
If the color after Jia Ruing is outside colorimetric card, then acid solution unknown for original content is diluted n times, then use the band after cleaning
Acid solution after scale probe tube takes same volume dilution joins in little test kit, and the color after effect reaches colorimetric card
In color, then can learn the concentration of this phosphoric acid solution.
Claims (8)
1. the test kit of a quick mensuration inorganic acid concentration, it is characterised in that include little test kit, colorimetric card and probe tube；
Wherein said little test kit is built with dissolved with La3+、Zr4+, the deionized water of developer.
The test kit of a kind of quick mensuration inorganic acid concentration the most according to claim 1, it is characterised in that described colour developing
Agent is arsenazo Ⅲ.
The test kit of a kind of quick mensuration inorganic acid concentration the most according to claim 1 and 2, it is characterised in that described
La3+Concentration be 1.20 × 10-5～1 × 10-4Mol/L, Zr4+Concentration be 3.66 × 10-6～1 × 10-4Mol/L, developer
Concentration be 1.07 × 10-5～1 × 10-4mol/L。
The test kit of a kind of quick mensuration inorganic acid concentration the most according to claim 1 and 2, it is characterised in that described
The volume of little test kit is 5mL, equipped with the solution of 3mL.
The test kit of a kind of quick mensuration inorganic acid concentration the most according to claim 1 and 2, it is characterised in that described
Colorimetric card includes sulphuric acid colorimetric card, nitric acid colorimetric card, hydrochloric acid colorimetric card and phosphoric acid colorimetric card, and wherein sulphuric acid is than the concentration of variable color
Scope is 6.62 × 10-3 Mol/L～1.96 × 10-2 Mol/L, nitric acid is 6.62 × 10 than the concentration range of variable color-3 mol/L
～9.68 × 10-2 Mol/L, the concentration range of salt acid ratio variable color is 6.62 × 10-3 Mol/L～5.66 × 10-2 Mol/L, phosphoric acid
It is 1.96 × 10 than the concentration range of variable color-2Mol/L～1.88 × 10-1 mol/L。
The test kit of a kind of quick mensuration inorganic acid concentration the most according to claim 1 and 2, it is characterised in that described
Probe tube is spiral probe tube with a scale, and range is 250 μ L, and scale division value is 5 μ L.
The test kit of a kind of quick mensuration inorganic acid concentration the most according to claim 1 and 2, it is characterised in that described
Probe tube is spiral probe tube with a scale, and range is 100 μ L, and scale division value is 2 μ L.
8. utilize the test kit described in any one of claim 1-7 to carry out inorganic acid concentration and survey method for measuring, it is characterised in that
Step is: drawing mineral acid to be measured with probe tube, join in little test kit, mineral acid reacts with solution, passes through colorimetric
Card obtains the concentration of mineral acid with solution colour after contrasting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610714665.8A CN106198529A (en) | 2016-08-24 | 2016-08-24 | The test kit of a kind of quick mensuration inorganic acid concentration and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610714665.8A CN106198529A (en) | 2016-08-24 | 2016-08-24 | The test kit of a kind of quick mensuration inorganic acid concentration and method thereof |
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| CN106198529A true CN106198529A (en) | 2016-12-07 |
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| CN201610714665.8A Pending CN106198529A (en) | 2016-08-24 | 2016-08-24 | The test kit of a kind of quick mensuration inorganic acid concentration and method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58144745A (en) * | 1982-02-22 | 1983-08-29 | Sekisui Chem Co Ltd | Analyzing method for rare earth element |
| CN101408515A (en) * | 2007-10-11 | 2009-04-15 | 上海电气电站设备有限公司 | Method for measuring zirconium in steel |
| CN102053065A (en) * | 2009-10-27 | 2011-05-11 | 北京有色金属研究总院 | Method for measuring content of zirconium in tungsten-zirconium alloy |
| CN102706871A (en) * | 2012-06-11 | 2012-10-03 | 武汉工程大学 | Method for accurately determining zirconium and hafnium components in zirconium compound by using extraction spectrophotometric method |
| CN103234967A (en) * | 2013-04-28 | 2013-08-07 | 江苏美特林科特殊合金有限公司 | Measuring method of zirconium content in high-purity niobium oxide or tantalum oxide |
| CN105403566A (en) * | 2015-11-16 | 2016-03-16 | 陕西航空电气有限责任公司 | Analysis method of zirconium content in copper alloy |
-
2016
- 2016-08-24 CN CN201610714665.8A patent/CN106198529A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58144745A (en) * | 1982-02-22 | 1983-08-29 | Sekisui Chem Co Ltd | Analyzing method for rare earth element |
| CN101408515A (en) * | 2007-10-11 | 2009-04-15 | 上海电气电站设备有限公司 | Method for measuring zirconium in steel |
| CN102053065A (en) * | 2009-10-27 | 2011-05-11 | 北京有色金属研究总院 | Method for measuring content of zirconium in tungsten-zirconium alloy |
| CN102706871A (en) * | 2012-06-11 | 2012-10-03 | 武汉工程大学 | Method for accurately determining zirconium and hafnium components in zirconium compound by using extraction spectrophotometric method |
| CN103234967A (en) * | 2013-04-28 | 2013-08-07 | 江苏美特林科特殊合金有限公司 | Measuring method of zirconium content in high-purity niobium oxide or tantalum oxide |
| CN105403566A (en) * | 2015-11-16 | 2016-03-16 | 陕西航空电气有限责任公司 | Analysis method of zirconium content in copper alloy |
Non-Patent Citations (1)
| Title |
|---|
| 魏强: "偶氮胂Ⅲ光度法测定锆", 《新疆有色金属》 * |
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Application publication date: 20161207 |
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