CN104949976A - Acrylonitrile detection reagent and preparation method thereof - Google Patents
Acrylonitrile detection reagent and preparation method thereof Download PDFInfo
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- CN104949976A CN104949976A CN201510372085.0A CN201510372085A CN104949976A CN 104949976 A CN104949976 A CN 104949976A CN 201510372085 A CN201510372085 A CN 201510372085A CN 104949976 A CN104949976 A CN 104949976A
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Abstract
The invention discloses an acrylonitrile detection reagent and a preparation method thereof and belongs to the technical field of gas detection. The reagent comprises the following components in parts by weight: 2 to 8 parts of zinc hydroxide, 2 to 4 parts of cyclohexanol, 3 to 6 parts of zinc sulfate, 1 to 3 parts of polyamide, 0.3 to 0.9 part of potassium dichromate, 2 to 5 parts of citric acid, 0.1 to 0.5 part of lithium iron phosphate and 6 to 12 parts of deionized water. The preparation method of the acrylonitrile detection reagent comprises the following steps: (1) preparing a pre-mixed solution; (2) obtaining a clear mixed solution; (3) standing for 4 to 8 hours in vacuum, then taking out the mixed solution, sealing, and obtaining the acrylonitrile detection reagent. The acrylonitrile detection reagent has characteristics of sensitivity in reaction and precision in measurement for acrylonitrile and is applicable to ordinary life fields or warehouse environment.
Description
Technical field
The invention belongs to gas detection technology field, particularly a kind of vinyl cyanide detects reagent and preparation method thereof.
Background technology
Vinyl cyanide is the important monomer of synthon, synthetic rubber and synthetic resin.Obtain polyacrylonitrile fibre and acrylic fibers by vinyl cyanide, synthetic wool, like wool, is therefore also in its performance pole.Vinyl cyanide and butadiene copolymer can obtain nitrile rubber, have good oil resistance, low temperature resistance, wearing quality, and electrical insulation capability, and at most of chemical solvent, and under sunlight and heat effect, Performance comparision is stablized.Vinyl cyanide and butadiene, styrene copolymerized obtained ABS resin, have the advantages such as light weight, cold-resistant, shock resistance is better
Acrylonitrile hydrolysis can obtain acrylamide and acrylicacidandesters class.They are important Organic Chemicals, and vinyl cyanide also electrolytic hydrogenation coupling can obtain adiponitrile, and can obtain hexane diamine again by adipic dinitrile hydrogenation, hexane diamine is flame-retardant nylon 66 raw material.
Vinyl cyanide itself is a kind of colourless irritant odor liquids, and inflammable, its steam and air can form explosive mixture.And, vinyl cyanide is easy to volatilization, there are strong impulse and toxicity for human body, under lower concentration, both can damage human body, therefore, acrylonitrile process processing or be that raw material is prepared in the process of other chemicals with vinyl cyanide, detect vinyl cyanide in time, simultaneously, around in environment, detect vinyl cyanide also extremely important.
Summary of the invention
The technical matters that the present invention solves: for above-mentioned deficiency, overcome the defect of prior art, the object of this invention is to provide a kind of vinyl cyanide and detects reagent and preparation method thereof.
Technical scheme of the present invention: a kind of vinyl cyanide detects reagent, comprises the component of following mass fraction:
Zinc hydroxide 2-8 part, cyclohexanol 2-4 part, zinc sulfate 3-6 part, polyamide 1-3 part, potassium dichromate 0.3-0.9 part, citric acid 2-5 part, LiFePO4 0.1-0.5 part and deionized water 6-12 part.
As preferably, described reagent comprises each component of following mass fraction: zinc hydroxide 3-6 part, cyclohexanol 3-4 part, zinc sulfate 4-6 part, polyamide 2-3 part, potassium dichromate 0.4-0.7 part, citric acid 3-4 part, LiFePO4 0.2-0.4 part and deionized water 8-11 part.
As preferably, described reagent comprises each component of following mass fraction: zinc hydroxide 5 parts, cyclohexanol 3 parts, 5 parts, zinc sulfate, kymene part, potassium dichromate 0.6 part, citric acid 3 parts, LiFePO4 0.3 part and deionized water 9 parts.
Vinyl cyanide detects a preparation method for reagent, and preparation process is as follows:
(1) component is joined in deionized water successively, heating water bath, stir, be prepared into premixed liquid;
(2) by the premixed liquid that step (1) obtains, put into Venturi tube and mix, obtain clarifying mixed liquor;
(3) the clarification mixed liquor obtained is placed in a vacuum, after leaving standstill 4-8h, take out, sealing, obtain described vinyl cyanide and detect reagent.
As preferably, in step (1), the temperature of heating water bath is 45 DEG C-55 DEG C.
Beneficial effect: vinyl cyanide provided by the invention detects reagent, the reagent for detecting acrylonitrile concentration in air, reagent is relatively acid, utilize the chemical property of vinyl cyanide ripple comparatively alive, absorb vinyl cyanide, and according to the change of solution colour, by the concentration of spectrophotometric method Quick Measurement vinyl cyanide, simultaneously also possible other materials that to reduce in air for the interference of testing result.
Therefore, vinyl cyanide provided by the invention detects reagent, has to be quick on the draw, to measure accurate feature for vinyl cyanide, is applicable to general life occasion or storage environment.
Embodiment
In order to understand the present invention further, below in conjunction with embodiment, the preferred embodiment of the invention is described, but should be appreciated that these describe just for further illustrating the features and advantages of the present invention, instead of limiting to the claimed invention.
Embodiment 1:
A kind of vinyl cyanide detects reagent, comprises the component of following mass fraction:
Zinc hydroxide 8 parts, cyclohexanol 4 parts, 6 parts, zinc sulfate, kymene part, potassium dichromate 0.9 part, citric acid 5 parts, LiFePO4 0.5 part and deionized water 12 parts.
Vinyl cyanide detects a preparation method for reagent, and preparation process is as follows:
(1) component joined successively in deionized water, 48 DEG C of heating water baths, stir, are prepared into premixed liquid;
(2) by the premixed liquid that step (1) obtains, put into Venturi tube and mix, obtain clarifying mixed liquor;
(3) the clarification mixed liquor obtained is placed in a vacuum, after leaving standstill 6h, take out, sealing, obtain described vinyl cyanide and detect reagent.
Test the sensitivity of this reagent for vinyl cyanide in air, result shows: the detectable concentration of this reagent is minimum is 0.84mg/m
3, be 1.2*10 at the molar absorptivity of 410nm
4.
Embodiment 2:
A kind of vinyl cyanide detects reagent, comprises the component of following mass fraction:
Zinc hydroxide 2 parts, cyclohexanol 2 parts, 3 parts, zinc sulfate, polyamide 1 part, potassium dichromate 0.3 part, citric acid 2 parts, LiFePO4 0.1 part and deionized water 6 parts.
Vinyl cyanide detects a preparation method for reagent, and preparation process is as follows:
(1) component joined successively in deionized water, 48 DEG C of heating water baths, stir, are prepared into premixed liquid;
(2) by the premixed liquid that step (1) obtains, put into Venturi tube and mix, obtain clarifying mixed liquor;
(3) the clarification mixed liquor obtained is placed in a vacuum, after leaving standstill 6h, take out, sealing, obtain described vinyl cyanide and detect reagent.
Test the sensitivity of this reagent for vinyl cyanide in air, result shows: the detectable concentration of this reagent is minimum is 1.0mg/m
3, be 0.8*10 at the molar absorptivity of 410nm
4.
Embodiment 3:
A kind of vinyl cyanide detects reagent, comprises the component of following mass fraction:
Zinc hydroxide 6 parts, cyclohexanol 4 parts, 6 parts, zinc sulfate, kymene part, potassium dichromate 0.7 part, citric acid 4 parts, LiFePO4 0.4 part and deionized water 11 parts.
Vinyl cyanide detects a preparation method for reagent, and preparation process is as follows:
(1) component joined successively in deionized water, 47 DEG C of heating water baths, stir, are prepared into premixed liquid;
(2) by the premixed liquid that step (1) obtains, put into Venturi tube and mix, obtain clarifying mixed liquor;
(3) the clarification mixed liquor obtained is placed in a vacuum, after leaving standstill 6h, take out, sealing, obtain described vinyl cyanide and detect reagent.
Test the sensitivity of this reagent for vinyl cyanide in air, result shows: the detectable concentration of this reagent is minimum is 0.92mg/m
3, be 1.5*10 at the molar absorptivity of 410nm
4.
Embodiment 4:
A kind of vinyl cyanide detects reagent, comprises the component of following mass fraction:
Zinc hydroxide 3 parts, cyclohexanol 3 parts, 4 parts, zinc sulfate, polyamide 2 parts, potassium dichromate 0.4 part, citric acid 3 parts, LiFePO4 0.2-0.4 part and deionized water 8 parts.
Vinyl cyanide detects a preparation method for reagent, and preparation process is as follows:
(1) component joined successively in deionized water, 48 DEG C of heating water baths, stir, are prepared into premixed liquid;
(2) by the premixed liquid that step (1) obtains, put into Venturi tube and mix, obtain clarifying mixed liquor;
(3) the clarification mixed liquor obtained is placed in a vacuum, after leaving standstill 6h, take out, sealing, obtain described vinyl cyanide and detect reagent.
Test the sensitivity of this reagent for vinyl cyanide in air, result shows: the detectable concentration of this reagent is minimum is 0.89mg/m
3, be 0.8*10 at the molar absorptivity of 410nm
4.
Embodiment 5:
A kind of vinyl cyanide detects reagent, comprises the component of following mass fraction:
Zinc hydroxide 5 parts, cyclohexanol 3 parts, 5 parts, zinc sulfate, kymene part, potassium dichromate 0.6 part, citric acid 3 parts, LiFePO4 0.3 part and deionized water 9 parts.
Vinyl cyanide detects a preparation method for reagent, and preparation process is as follows:
(1) component joined successively in deionized water, 48 DEG C of heating water baths, stir, are prepared into premixed liquid;
(2) by the premixed liquid that step (1) obtains, put into Venturi tube and mix, obtain clarifying mixed liquor;
(3) the clarification mixed liquor obtained is placed in a vacuum, after leaving standstill 4-8h, take out, sealing, obtain described vinyl cyanide and detect reagent.
Test the sensitivity of this reagent for vinyl cyanide in air, result shows: the detectable concentration of this reagent is minimum is 0.81mg/m
3, be 1.6*10 at the molar absorptivity of 410nm
4.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. vinyl cyanide detects a reagent, it is characterized in that, comprises the component of following mass fraction:
Zinc hydroxide 2-8 part, cyclohexanol 2-4 part, zinc sulfate 3-6 part, polyamide 1-3 part, potassium dichromate 0.3-0.9 part, citric acid 2-5 part, LiFePO4 0.1-0.5 part and deionized water 6-12 part.
2. vinyl cyanide according to claim 1 detects reagent, it is characterized in that, described reagent comprises each component of following mass fraction: zinc hydroxide 3-6 part, cyclohexanol 3-4 part, zinc sulfate 4-6 part, polyamide 2-3 part, potassium dichromate 0.4-0.7 part, citric acid 3-4 part, LiFePO4 0.2-0.4 part and deionized water 8-11 part.
3. vinyl cyanide according to claim 2 detects reagent, it is characterized in that, described reagent comprises each component of following mass fraction: zinc hydroxide 5 parts, cyclohexanol 3 parts, 5 parts, zinc sulfate, kymene part, potassium dichromate 0.6 part, citric acid 3 parts, LiFePO4 0.3 part and deionized water 9 parts.
4. vinyl cyanide according to claim 1 detects a preparation method for reagent, and it is characterized in that, preparation process is as follows:
(1) component is joined in deionized water successively, heating water bath, stir, be prepared into premixed liquid;
(2) by the premixed liquid that step (1) obtains, put into Venturi tube and mix, obtain clarifying mixed liquor;
(3) the clarification mixed liquor obtained is placed in a vacuum, after leaving standstill 4-8h, take out, sealing, obtain described vinyl cyanide and detect reagent.
5. vinyl cyanide according to claim 4 detects the preparation method of reagent, it is characterized in that: in step (1), the temperature of heating water bath is 45 DEG C-55 DEG C.
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| CN201510372085.0A CN104949976A (en) | 2015-06-30 | 2015-06-30 | Acrylonitrile detection reagent and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100086851A1 (en) * | 2008-10-03 | 2010-04-08 | Industrial Technology Research Institute | Positive electrode and method for manufacturing the same and lithium battery utilizing the same |
| CN102496746A (en) * | 2011-12-23 | 2012-06-13 | 常州大学 | Water-soluble lithium ion battery |
| CN104406974A (en) * | 2014-11-28 | 2015-03-11 | 苏州东辰林达检测技术有限公司 | Formaldehyde detection agent and preparation method thereof |
| CN104406973A (en) * | 2014-11-28 | 2015-03-11 | 苏州佑君环境科技有限公司 | Chlorinated phenol detection reagent and preparation method thereof |
-
2015
- 2015-06-30 CN CN201510372085.0A patent/CN104949976A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100086851A1 (en) * | 2008-10-03 | 2010-04-08 | Industrial Technology Research Institute | Positive electrode and method for manufacturing the same and lithium battery utilizing the same |
| CN102496746A (en) * | 2011-12-23 | 2012-06-13 | 常州大学 | Water-soluble lithium ion battery |
| CN104406974A (en) * | 2014-11-28 | 2015-03-11 | 苏州东辰林达检测技术有限公司 | Formaldehyde detection agent and preparation method thereof |
| CN104406973A (en) * | 2014-11-28 | 2015-03-11 | 苏州佑君环境科技有限公司 | Chlorinated phenol detection reagent and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 许瑛华等: "《涉水产品中丙烯腈单体残留量检测方法探讨》", 《中国卫生检验杂志》 * |
| 赵会等: "《顶空气相色谱用于聚丙烯腈溶液中残留丙烯腈的检测》", 《广东化工》 * |
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