CN104406974A - Formaldehyde detection agent and preparation method thereof - Google Patents
Formaldehyde detection agent and preparation method thereof Download PDFInfo
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- CN104406974A CN104406974A CN201410699485.8A CN201410699485A CN104406974A CN 104406974 A CN104406974 A CN 104406974A CN 201410699485 A CN201410699485 A CN 201410699485A CN 104406974 A CN104406974 A CN 104406974A
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Abstract
The invention discloses a formaldehyde detection agent and a preparation method thereof, and belongs to the technical field of gas detection. The detection agent comprises the following components in parts by mass: 10 to 20 parts of acetylacetone, 0.5 to 1.5 parts of potassium hydroxide, 5.5 to 10.5 parts of a phenol reagent, 1.5 to 3 parts of ferric sulfate, 0.5 to 1.5 parts of ferrous sulfate, 2 to 5 parts of citric acid, 0.5 to 1 part of zinc sulfite, 3 to 8 parts of glycerol and 4 to 10 parts of water. The formaldehyde detection agent provided by the invention integrates the advantages of two reagents of the acetylacetone and the phenol regent; on one hand, the test sensitivity to formaldehyde is improved, and the response is quick; on the other hand, the interference of acetaldehyde and propionaldehyde to a test result is reduced, so that the formaldehyde detection agent provided by the invention has the characteristics of quick response, high sensitivity and high stability, is more accurate in test result, and can be used for detecting formaldehyde in various environments.
Description
Technical field
The invention belongs to gas detection technology field, particularly a kind of formaldehyde testing reagent and preparation method thereof.
Background technology
Formaldehyde is a kind of colourless gas, has special pungent odour, has spread effect to human eye and nose.A small amount of formaldehyde is not easily therefore easily perceived by humans, but there is harm greatly to human body, spread effect can be had to skin, formaldehyde main harm shows as Mucocutaneous spread effect, formaldehyde is protoplasmic poison material, can occur the stimulation that respiratory tract is serious and oedema, Eye irritation, headache with protein bound, high concentration when sucking.Have sensitization to endanger to human body, direct skin contact formaldehyde may cause allergic dermatitis, color spot, cutaneous necrosis.The harm of formaldehyde also can cause people to have a headache, weak, Nausea and vomiting, uncomfortable in chest, palpitaition etc.
House or workplace are because of finishing or use the chemical substance containing formaldehyde that formaldehyde in air content can be caused to raise, and therefore, formaldehyde examination becomes the effective means of effective monitoring Formaldehyde in Environment content, and people can take further step according to testing result.
Existing formaldehyde testing reagent comprises multiple, and wherein acetylacetone method and phenol reagent process are comparatively common, but in use there are some problems: acetylacetone method stable performance, and error is little, but sensitivity is low, reaction slow, is comparatively traditional detection reagent; Phenol reagent process principle is that formaldehyde and phenol reagent react and generate piperazine, piperazine is formed blue-green compound by ferric ion oxidation in an acidic solution, shade is directly proportional to content of formaldehyde, phenol reagent has highly sensitive feature as detection reagent, but be easily subject to the interference of acetaldehyde or propionic aldehyde, cause test effect to reduce.
Application number be 201310724044.4 patent documentation " formaldehyde testing reagent " disclose a kind of formaldehyde testing reagent, comprise each component of following mass fraction: soybean oil 60-70 part, cellulase 6-10 part, sherwood oil 2-3 part, Sodium Benzoate 2-3 part, HEDP 2-3 part, citric acid 1-2 part.It can thus be appreciated that the formaldehyde testing reagent sensitivity of this technical scheme is higher, and higher than diacetone, but lower than phenol reagent, effect is general.
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 formaldehyde testing reagent and preparation method thereof.
Technical scheme of the present invention: a kind of formaldehyde testing reagent, comprises each component of following mass fraction:
Diacetone 10-20 part, potassium hydroxide 0.5-1.5 part, phenol reagent 5.5-10.5 part, iron sulfate 1.5-3 part, ferrous sulphate 0.5-1.5 part, citric acid 2-5 part, zinc sulfite 0.5-1 part, glycerine 3-8 part and water 4-10 part.
As preferably, the mass ratio of diacetone and phenol reagent is 1-3:1.
As preferably, described detection reagent comprises each component of following mass fraction: diacetone 12-18 part, potassium hydroxide 0.8-1.2 part, phenol reagent 6-10 part, iron sulfate 2-3 part, ferrous sulphate 0.7-1.3 part, citric acid 2.5-4 part, zinc sulfite 0.6-0.9 part, glycerine 4-7 part and water 6-9 part.
More preferably, described detection reagent comprises each component of following mass fraction: diacetone 14-16 part, potassium hydroxide 0.9-1.1 part, phenol reagent 7-9 part, iron sulfate 2-3 part, ferrous sulphate 0.9-1.2 part, citric acid 3-4 part, zinc sulfite 0.7-0.8 part, glycerine 5-6 part and water 7-8 part.
More preferably, described detection reagent comprises each component of following mass fraction: diacetone 15 parts, 1 part, potassium hydroxide, phenol reagent 8 parts, 3 parts, iron sulfate, 1 part, ferrous sulphate, citric acid 4 parts, zinc sulfite 0.7 part, glycerine 5 parts and 8 parts, water.
A preparation method for formaldehyde testing reagent, preparation process is as follows:
(1) glycerine and citric acid are added to the water successively, stir, obtain acid solution;
(2) ferrous sulphate is joined in above-mentioned acid solution, after treating to dissolve completely, add potassium hydroxide, iron sulfate and zinc sulfite, stir, transparent to solution;
(3) add phenol reagent and diacetone, constantly stir, after mixing, namely obtain formaldehyde testing reagent.
Beneficial effect: formaldehyde testing reagent provided by the invention, it is the advantage of comprehensive diacetone and phenol reagent two kinds of reagent, the sensitivity that improve PARA FORMALDEHYDE PRILLS(91,95) test on the one hand, and be swift in response, be reduction of acetaldehyde in environment, propionic aldehyde to the interference of test result on the other hand, therefore formaldehyde testing reagent provided by the invention has the feature of fast, the highly sensitive and good stability of reaction velocity, and test result is comparatively accurate simultaneously, can be used in various environment formaldehyde examination.
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 formaldehyde testing reagent, comprises each component of following mass fraction:
Diacetone 10 parts, 0.5 part, potassium hydroxide, phenol reagent 5.5 parts, 1.5 parts, iron sulfate, 0.5 part, ferrous sulphate, citric acid 2 parts, zinc sulfite 0.5 part, glycerine 3 parts and 4 parts, water.
A preparation method for formaldehyde testing reagent, preparation process is as follows:
(1) glycerine and citric acid are added to the water successively, stir, obtain acid solution;
(2) ferrous sulphate is joined in above-mentioned acid solution, after treating to dissolve completely, add potassium hydroxide, iron sulfate and zinc sulfite, stir, transparent to solution;
(3) add phenol reagent and diacetone, constantly stir, after mixing, namely obtain formaldehyde testing reagent.
The formaldehyde examination concentration of this formaldehyde testing reagent is minimum is 20 μ g/L, is 8.1*10 at the molar absorptivity of 580nm
4.
Embodiment 2:
A kind of formaldehyde testing reagent, comprises each component of following mass fraction:
Diacetone 20 parts, 1.5 parts, potassium hydroxide, phenol reagent 10.5 parts, 3 parts, iron sulfate, 1.5 parts, ferrous sulphate, citric acid 5 parts, zinc sulfite 1 part, glycerine 8 parts and 10 parts, water.
A preparation method for formaldehyde testing reagent, preparation process is as follows:
(1) glycerine and citric acid are added to the water successively, stir, obtain acid solution;
(2) ferrous sulphate is joined in above-mentioned acid solution, after treating to dissolve completely, add potassium hydroxide, iron sulfate and zinc sulfite, stir, transparent to solution;
(3) add phenol reagent and diacetone, constantly stir, after mixing, namely obtain formaldehyde testing reagent.
The formaldehyde examination concentration of this formaldehyde testing reagent is minimum is 15 μ g/L, is 7.5*10 at the molar absorptivity of 580nm
4.
Embodiment 3:
A kind of formaldehyde testing reagent, comprises each component of following mass fraction:
Diacetone 18 parts, 1.2 parts, potassium hydroxide, phenol reagent 10 parts, 3 parts, iron sulfate, 1.3 parts, ferrous sulphate, citric acid 4 parts, zinc sulfite 0.9 part, glycerine 7 parts and 9 parts, water.
A preparation method for formaldehyde testing reagent, preparation process is as follows:
(1) glycerine and citric acid are added to the water successively, stir, obtain acid solution;
(2) ferrous sulphate is joined in above-mentioned acid solution, after treating to dissolve completely, add potassium hydroxide, iron sulfate and zinc sulfite, stir, transparent to solution;
(3) add phenol reagent and diacetone, constantly stir, after mixing, namely obtain formaldehyde testing reagent.
The formaldehyde examination concentration of this formaldehyde testing reagent is minimum is 17 μ g/L, is 7.1*10 at the molar absorptivity of 580nm
4.
Embodiment 4:
A kind of formaldehyde testing reagent, comprises each component of following mass fraction:
Diacetone 14 parts, 0.9 part, potassium hydroxide, phenol reagent 7 parts, 2 parts, iron sulfate, 0.9 part, ferrous sulphate, citric acid 3 parts, zinc sulfite 0.7 part, glycerine 5 parts and 7 parts, water.
A preparation method for formaldehyde testing reagent, preparation process is as follows:
(1) glycerine and citric acid are added to the water successively, stir, obtain acid solution;
(2) ferrous sulphate is joined in above-mentioned acid solution, after treating to dissolve completely, add potassium hydroxide, iron sulfate and zinc sulfite, stir, transparent to solution;
(3) add phenol reagent and diacetone, constantly stir, after mixing, namely obtain formaldehyde testing reagent.
The formaldehyde examination concentration of this formaldehyde testing reagent is minimum is 14 μ g/L, is 7.4*10 at the molar absorptivity of 580nm
4.
Embodiment 5:
A kind of formaldehyde testing reagent, comprises each component of following mass fraction:
Diacetone 15 parts, 1 part, potassium hydroxide, phenol reagent 8 parts, 3 parts, iron sulfate, 1 part, ferrous sulphate, citric acid 4 parts, zinc sulfite 0.7 part, glycerine 5 parts and 8 parts, water.
A preparation method for formaldehyde testing reagent, preparation process is as follows:
(1) glycerine and citric acid are added to the water successively, stir, obtain acid solution;
(2) ferrous sulphate is joined in above-mentioned acid solution, after treating to dissolve completely, add potassium hydroxide, iron sulfate and zinc sulfite, stir, transparent to solution;
(3) add phenol reagent and diacetone, constantly stir, after mixing, namely obtain formaldehyde testing reagent.
The formaldehyde examination concentration of this formaldehyde testing reagent is minimum is 12 μ g/L, is 7.8*10 at the molar absorptivity of 580nm
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 (6)
1. a formaldehyde testing reagent, is characterized in that, comprises each component of following mass fraction:
Diacetone 10-20 part, potassium hydroxide 0.5-1.5 part, phenol reagent 5.5-10.5 part, iron sulfate 1.5-3 part, ferrous sulphate 0.5-1.5 part, citric acid 2-5 part, zinc sulfite 0.5-1 part, glycerine 3-8 part and water 4-10 part.
2. formaldehyde testing reagent according to claim 1, is characterized in that: the mass ratio of diacetone and phenol reagent is 1-3:1.
3. formaldehyde testing reagent according to claim 1, is characterized in that: described detection reagent comprises each component of following mass fraction: diacetone 12-18 part, potassium hydroxide 0.8-1.2 part, phenol reagent 6-10 part, iron sulfate 2-3 part, ferrous sulphate 0.7-1.3 part, citric acid 2.5-4 part, zinc sulfite 0.6-0.9 part, glycerine 4-7 part and water 6-9 part.
4. formaldehyde testing reagent according to claim 3, is characterized in that: described detection reagent comprises each component of following mass fraction: diacetone 14-16 part, potassium hydroxide 0.9-1.1 part, phenol reagent 7-9 part, iron sulfate 2-3 part, ferrous sulphate 0.9-1.2 part, citric acid 3-4 part, zinc sulfite 0.7-0.8 part, glycerine 5-6 part and water 7-8 part.
5. formaldehyde testing reagent according to claim 4, is characterized in that: described detection reagent comprises each component of following mass fraction: diacetone 15 parts, 1 part, potassium hydroxide, phenol reagent 8 parts, 3 parts, iron sulfate, 1 part, ferrous sulphate, citric acid 4 parts, zinc sulfite 0.7 part, glycerine 5 parts and 8 parts, water.
6. a preparation method for formaldehyde testing reagent according to claim 1, is characterized in that, preparation process is as follows:
(1) glycerine and citric acid are added to the water successively, stir, obtain acid solution;
(2) ferrous sulphate is joined in above-mentioned acid solution, after treating to dissolve completely, add potassium hydroxide, iron sulfate and zinc sulfite, stir, transparent to solution;
(3) add phenol reagent and diacetone, constantly stir, after mixing, namely obtain formaldehyde testing reagent.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949976A (en) * | 2015-06-30 | 2015-09-30 | 苏州东辰林达检测技术有限公司 | Acrylonitrile detection reagent and preparation method thereof |
| CN105372240A (en) * | 2015-12-16 | 2016-03-02 | 无锡吉进环保科技有限公司 | Preparation method of rapid formaldehyde detection reagent |
| CN105424693A (en) * | 2015-12-16 | 2016-03-23 | 无锡吉进环保科技有限公司 | Rapid detection reagent for formaldehyde |
| CN105424694A (en) * | 2015-12-16 | 2016-03-23 | 无锡吉进环保科技有限公司 | Formaldehyde detection reagent |
| CN105548400A (en) * | 2015-12-30 | 2016-05-04 | 田琳琳 | Method for simply and rapidly detecting formaldehyde |
| CN107422085A (en) * | 2017-07-04 | 2017-12-01 | 河南艾能生物科技有限公司 | A kind of detection reagent of formaldehyde in food |
| CN107884398A (en) * | 2017-11-08 | 2018-04-06 | 安徽信灵检验医学科技有限公司 | A kind of formaldehyde testing reagent and its application |
| CN108254512A (en) * | 2018-01-15 | 2018-07-06 | 山东五洲检测有限公司 | A kind of quick detection reagent of formaldehyde in food and preparation method thereof |
| CN109012132A (en) * | 2018-08-09 | 2018-12-18 | 王中文 | A kind of composition of changeable colour and its preparation method and application decomposing low molecule aldehyde |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2551996Y (en) * | 2002-07-16 | 2003-05-21 | 吉林大学化学学院 | Disposable colorimetric fast measuring bag |
| CN2577278Y (en) * | 2002-11-12 | 2003-10-01 | 吉林大学化学学院 | Disposable colorimetric quick test package of methanal in air |
| CN1699975A (en) * | 2005-06-09 | 2005-11-23 | 李艳莉 | Method for fast detection of formaldehyde |
-
2014
- 2014-11-28 CN CN201410699485.8A patent/CN104406974A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2551996Y (en) * | 2002-07-16 | 2003-05-21 | 吉林大学化学学院 | Disposable colorimetric fast measuring bag |
| CN2577278Y (en) * | 2002-11-12 | 2003-10-01 | 吉林大学化学学院 | Disposable colorimetric quick test package of methanal in air |
| CN1699975A (en) * | 2005-06-09 | 2005-11-23 | 李艳莉 | Method for fast detection of formaldehyde |
Non-Patent Citations (6)
| Title |
|---|
| 中华人民共和国农业部: "《SC/T3025-2006 水产品中甲醛的测定》", 26 January 2006 * |
| 中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会: "《GB/T23973-2009 染料产品中甲醛的测定》", 2 June 2009 * |
| 国家技术监督局、中华人民共和国卫生部: "《GB/T16057-1995 车间空气中甲醛的酚试剂（MBTH）分光光度测定方法》", 23 January 1996 * |
| 张进 等: "酚试剂和乙酰丙酮法测定空气中甲醛的研究", 《环境科学与技术》 * |
| 徐倩、徐沛: "酚试剂分光光度法测定室内空气中甲醛的实验条件优化选择", 《山东轻工业学院学报》 * |
| 环境保护部: "《HJ601-2011 水质 甲醛的测定 乙酰丙酮分光光度法》", 10 February 2011 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949976A (en) * | 2015-06-30 | 2015-09-30 | 苏州东辰林达检测技术有限公司 | Acrylonitrile detection reagent and preparation method thereof |
| CN105372240A (en) * | 2015-12-16 | 2016-03-02 | 无锡吉进环保科技有限公司 | Preparation method of rapid formaldehyde detection reagent |
| CN105424693A (en) * | 2015-12-16 | 2016-03-23 | 无锡吉进环保科技有限公司 | Rapid detection reagent for formaldehyde |
| CN105424694A (en) * | 2015-12-16 | 2016-03-23 | 无锡吉进环保科技有限公司 | Formaldehyde detection reagent |
| CN105548400A (en) * | 2015-12-30 | 2016-05-04 | 田琳琳 | Method for simply and rapidly detecting formaldehyde |
| CN107422085A (en) * | 2017-07-04 | 2017-12-01 | 河南艾能生物科技有限公司 | A kind of detection reagent of formaldehyde in food |
| CN107884398A (en) * | 2017-11-08 | 2018-04-06 | 安徽信灵检验医学科技有限公司 | A kind of formaldehyde testing reagent and its application |
| CN108254512A (en) * | 2018-01-15 | 2018-07-06 | 山东五洲检测有限公司 | A kind of quick detection reagent of formaldehyde in food and preparation method thereof |
| CN109012132A (en) * | 2018-08-09 | 2018-12-18 | 王中文 | A kind of composition of changeable colour and its preparation method and application decomposing low molecule aldehyde |
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