Rapid detection reagent, and detection methods thereof
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A detection method and detection agent technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve problems such as unsatisfactory requirements, and achieve the effects of shortening the detection cycle, simple components, and shortening the detection time
Inactive Publication Date: 2018-06-15
JIANGSU HEXING AUTOMOTIVE TECH
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However, although the test time is greatly reduced, in the actual alloy production process, the test time of more than 8 hours cannot meet the demand
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Embodiment 1
[0034] Detection agent configuration: Weigh raw materials according to the composition of the detection agent, including 500 parts of deionized water, 15 parts of copper chloride solution, 150 parts of acetic acid, 160 parts of hydrochloric acid, 25 parts of ferric chloride solution, 40 parts of potassium chloride solution, chlorine 20 parts of mercuric solution, wherein the concentrations of the components are: copper chloride solution: 10%, acetic acid: 35%, hydrochloric acid: 30%, ferric chloride solution: 8%, potassium chloride solution: 20%, chlorine Mercury solution: 5%.
Embodiment 2
[0036] Detection agent configuration: Weigh raw materials according to the composition of the detection agent, including 100 parts of deionized water, 10 parts of copper chloride solution, 100 parts of acetic acid, 120 parts of hydrochloric acid, 20 parts of ferric chloride solution, 30 parts of potassium chloride solution, chlorine 15 parts of mercuric solution, wherein the concentration of each component is: copper chloride solution: 1%, acetic acid: 10%, hydrochloric acid: 10%, ferric chloride solution: 1%, potassium chloride solution: 10%, chlorine Mercury solution: 0.5%.
Embodiment 3
[0038] Detection agent configuration: Weigh the raw materials according to the composition of the detection agent, including 1000 parts of deionized water, 20 parts of copper chloride solution, 200 parts of acetic acid, 200 parts of hydrochloric acid, 30 parts of ferric chloride solution, 50 parts of potassium chloride solution, chlorine 25 parts of mercuric solution, wherein the concentrations of the components are: copper chloride solution: 20%, acetic acid: 40%, hydrochloric acid: 36%, ferric chloride solution: 12%, potassium chloride solution: 25%, chlorine Mercury solution: 8%.
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Abstract
The invention belongs to the technical field of metal protective layer detection, and more specifically relates to a rapid detection reagent, and detection methods thereof. The rapid detection reagentcomprises one or a plurality of ingredients selected from deionized water, a cupric chloride solution, acetic acid, hydrochloric acid, a sodium hydroxide solution, an iron chloride solution, a potassium chloride solution, and a mercuric chloride solution, and the concentration of the above ingredients are controlled. According to the detection method, an acidic environment or an alkali environment is adopted so as to realize accelerated corrosion of an aluminium alloy protective layer; the raw materials of the rapid detection reagent are easily available; the invention provides two rapid detection methods using the rapid detection reagent at the same time, including an immersion method and a fumigation method. Requirements of the two methods on equipments are low; corrosion on the alloy protective layer can be realized in 0.5 to 24h; detection period is shortened; feedback can be realized quickly in site; reference is provided; and guidance on production is realized.
Description
technical field [0001] The invention belongs to the technical field of metal protective layer detection, and in particular relates to a rapid detection agent and a detection method thereof. Background technique [0002] Aluminum alloy is the most widely used non-ferrous metal structural material in industry, and has been widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and chemical industry. With the rapid development of industrial economy, the demand for aluminum alloy is also increasing day by day. However, aluminum alloys cannot be put into use directly after producing alloy products. In order to prolong the service life of aluminum alloys, we usually reprocess the surface of aluminum alloys to protect the alloy body at the cost of consuming the surface protective layer. Ask for an upgrade to our surface protection technology. [0003] Metal materials are damaged by the action of the surrounding medium, which is called metal corrosio...
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