CN107328768A - Formaldehyde examination device and detection method - Google Patents
Formaldehyde examination device and detection method Download PDFInfo
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- CN107328768A CN107328768A CN201710672843.XA CN201710672843A CN107328768A CN 107328768 A CN107328768 A CN 107328768A CN 201710672843 A CN201710672843 A CN 201710672843A CN 107328768 A CN107328768 A CN 107328768A
- Authority
- CN
- China
- Prior art keywords
- formaldehyde
- lid
- detection lug
- potassium metaperiodate
- back box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 114
- 238000001514 detection method Methods 0.000 title claims abstract description 41
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 31
- FJVZDOGVDJCCCR-UHFFFAOYSA-M potassium periodate Chemical compound [K+].[O-]I(=O)(=O)=O FJVZDOGVDJCCCR-UHFFFAOYSA-M 0.000 claims abstract description 24
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 17
- 238000005576 amination reaction Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000002131 composite material Substances 0.000 claims abstract description 14
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000741 silica gel Substances 0.000 claims abstract description 5
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 14
- 239000010439 graphite Substances 0.000 claims description 14
- 238000001291 vacuum drying Methods 0.000 claims description 12
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000004458 analytical method Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 239000002023 wood Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 208000013738 Sleep Initiation and Maintenance disease Diseases 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004596 appetite loss Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000003933 environmental pollution control Methods 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 206010022437 insomnia Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 235000021266 loss of appetite Nutrition 0.000 description 1
- 208000019017 loss of appetite Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- JLKDVMWYMMLWTI-UHFFFAOYSA-M potassium iodate Chemical compound [K+].[O-]I(=O)=O JLKDVMWYMMLWTI-UHFFFAOYSA-M 0.000 description 1
- 229940093930 potassium iodate Drugs 0.000 description 1
- 235000006666 potassium iodate Nutrition 0.000 description 1
- 239000001230 potassium iodate Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Classifications
-
- 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
- G01N21/783—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 for analysing gases
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
A kind of formaldehyde examination device, for detecting whether the concentration of formaldehyde is exceeded, is made up of volumetric standard and detection lug, the volumetric standard includes back box and lid.The back box, which leaves seal groove, the lid, the sealing strip used cooperatively with seal groove.The sealing strip material is one kind in silica gel, rubber.The lid leaves jack, for placing the detection lug.The detection lug is that amination graphene oxide and potassium metaperiodate composite are coated with substrate.Present invention also offers detection method.Detection means making is simple, raw material is cheap and easily-available, low manufacture cost.Detection method is simple and clear, and testing result is accurate.
Description
Technical field
The present invention relates to a kind of gas-detecting device and detection method, more particularly to a kind of formaldehyde examination device and detection
Method.
Background technology
Formaldehyde was defined as 1 class carcinogenic substance, people's Long Term Contact suction 12mg/m in 20063Drowsiness, powerless, head can be caused
Bitterly, finger tremble, hypopsia；People sucks 20 ~ 70mg/m for a long time3Can cause loss of appetite, weight loss, it is powerless, headache,
Insomnia.Residenter house content of formaldehyde will be less than 0.12mg/m3, so the content of formaldehyde in monitoring of environmental is very meaningful.
Concentration of formaldehyde test in indoor environment and air of workplace uses impingement, i.e., extracted using sampling pump
The air sample of certain volume used chemical colorimetric to be analyzed afterwards by formaldehyde absorption bottle.This method needs professional people
Member, professional equipment carry out analysis test, and time-consuming relatively long, costly, are not suitable for ordinary people family and use.
The content of the invention
Based on this, it is necessary to provide it is a kind of it is simple, quickly the whether exceeded formaldehyde examination device of test concentration of formaldehyde and
Detection method.
A kind of formaldehyde examination device, for detecting whether the concentration of formaldehyde is exceeded, the formaldehyde examination device includes standard
Container and detection lug.
The volumetric standard volume includes back box and lid.
The back box, which leaves seal groove, the lid, the sealing strip used cooperatively with seal groove.
The sealing strip material is one kind in silica gel, rubber.
The lid leaves jack, for placing the detection lug.
The detection lug is that amination graphene oxide and potassium metaperiodate composite are coated with substrate.
In one of the embodiments, the preparation method of amination graphene oxide and potassium metaperiodate composite, including
Following steps：
Graphite oxide and potassium metaperiodate are added to ultrasonic disperse after 80 ~ 100 DEG C of deionized water is mixed, graphite oxide is obtained
Alkene-potassium metaperiodate suspension, then adds mass concentration and is 30% ammoniacal liquor, and is placed on stirring cooling in ice bath pond, its
In, the graphite oxide：The mass ratio of potassium metaperiodate is 100:6 ~ 20, the solid-to-liquid ratio of the graphite oxide and the ammoniacal liquor is
1g:30ml；
Above-mentioned composite material mixture is filtered, obtained amination graphene oxide and potassium metaperiodate slurry are passed through into spreader
Be applied on substrate, then by smear it is good be placed substantially at vacuum drying chamber be drying, that is, obtain the detection lug, sealing preserve
It is stand-by；
In one of the embodiments, the time of the ultrasonic disperse is 30 minutes ~ 120 minutes.
In one of the embodiments, the vacuum drying temperature is 60 ~ 80 DEG C.
In one of the embodiments, the vacuum drying time is 24 hours ~ 48 hours.
A kind of Analysis Methods for Formaldehyde using above-mentioned formaldehyde examination device, comprises the following steps：
The back box of the volumetric standard is positioned over 24 hours in environment to be measured；
Lid is added in back box, and plugs detection lug, is sealed 24 hours；
According to colorimetric card, the color change of contrasting detection piece, to determine the concentration of formaldehyde.
The beneficial effects of the invention are as follows：Detection means making is simple, raw material is cheap and easily-available, so low manufacture cost.Detection
Method is simple and clear, can be using multiple spot detection, to increase the accuracy of testing result.
Brief description of the drawings
Fig. 1 is the structure of the detecting device schematic diagram of an embodiment.
Fig. 2 is the detection lug schematic diagram of an embodiment.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, below in conjunction with the accompanying drawings to the present invention
Embodiment be described in detail.Many details are elaborated in the following description to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case of running counter to intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in figure 1, volumetric standard includes back box 100 and lid 200, back box leaves seal groove 110, the seal groove and lid
The sealing strip 210 of son is used cooperatively, and completes sealing, and lid leaves jack 220, for placing detection lug 300, and covers jack
220, the detection lug also includes substrate 310 and hand-held rod 320.
As shown in Fig. 2 amination graphene oxide and potassium metaperiodate composite 330 are coated with substrate, for detecting
Formaldehyde.
A kind of formaldehyde examination device, for detecting whether the concentration of formaldehyde is exceeded, formaldehyde examination device includes volumetric standard
And detection lug.The volumetric standard volume is 20L, including back box and lid.
The back box, which leaves seal groove, the lid, the sealing strip used cooperatively with seal groove.
The sealing strip material is silica gel.
The lid leaves jack, for placing the detection lug.
The detection lug is that amination graphene oxide and potassium metaperiodate composite are coated with substrate, wherein substrate
Size is 20mm*10mm*2mm, and amination graphene oxide is 100 with potassium metaperiodate mass ratio：5 ~ 20, coating thickness be 10 ~
50 μm.Coating method uses transfer coated.
In one of the embodiments, the preparation method of amination graphene oxide and potassium metaperiodate composite, including
Following steps：
Graphite oxide and potassium metaperiodate are added to ultrasonic disperse after 80 ~ 100 DEG C of deionized water is mixed, graphite oxide is obtained
Alkene-potassium metaperiodate suspension, then adds mass concentration and is 30% ammoniacal liquor, and is placed on stirring cooling in ice bath pond, its
In, the graphite oxide：The mass ratio of potassium metaperiodate is 100:6 ~ 20, the solid-to-liquid ratio of the graphite oxide and the ammoniacal liquor is
1g:30ml；
Above-mentioned composite material mixture is filtered, obtained amination graphene oxide and potassium metaperiodate slurry are passed through into spreader
Be applied on substrate, then by smear it is good be placed substantially at vacuum drying chamber be drying, that is, obtain the detection lug, sealing preserve
It is stand-by；
In one of the embodiments, the time of the ultrasonic disperse is 30 minutes ~ 120 minutes.
In one of the embodiments, the vacuum drying temperature is 60 ~ 80 DEG C.
In one of the embodiments, the vacuum drying time is 24 hours ~ 48 hours.
A kind of Analysis Methods for Formaldehyde using above-mentioned formaldehyde examination device, comprises the following steps：
The back box of the volumetric standard is positioned over 24 hours in environment to be measured；
Lid is added in back box, and plugs detection lug, is sealed 24 hours；
According to colorimetric card, the color change of contrasting detection piece, to determine the concentration of formaldehyde.
During specific detection, formaldehyde catching device prevents with reference to GB50325-2006 in formaldehyde examination device《Civil buildings work
Journey indoor environmental pollution controls specification》Regulation, be specially：When civil building engineering is checked and accepted, indoor environmental pollution thing Concentration Testing
Point should be set by room area：
1. room area<50m2When, if 1 test point；
2. as 50 ~ 100m of room area2When, if 2 test points；
3. room area>100m2When, if 3-5 test point.
When having 2 and above test point in room, the average value of each point testing result should be taken as the detection in the room
Value.
When civil building engineering is checked and accepted, environmental contaminants concentration field test point should be away from inner wall surface not less than 0.5m, away from building
Ground level 0.8-1.5m；Test point should be uniformly distributed, and avoid ventilating duct and ventilating opening.
Further illustrated below in conjunction with specific embodiment.
Embodiment 1
Formaldehyde examination device, for detecting whether the concentration of formaldehyde is exceeded, formaldehyde examination device includes volumetric standard and detection lug.
The volumetric standard volume is 20L, including back box and lid.
The back box, which leaves seal groove, the lid, the sealing strip used cooperatively with seal groove.
The sealing strip material is silica gel.
The lid leaves jack, for placing the detection lug.
The detection lug is that amination graphene oxide and potassium metaperiodate composite are coated with substrate, wherein substrate
Size is 20mm*10mm*2mm, and amination graphene oxide is 100 with potassium metaperiodate mass ratio：10, coating thickness is 20 μm.
Coating method uses transfer coated.
The preparation method of amination graphene oxide and potassium metaperiodate composite, comprises the following steps：
Graphite oxide and potassium metaperiodate are added to ultrasonic disperse after 80 DEG C of deionized water is mixed, graphene oxide-height is obtained
Potassiumiodate suspension, then adds mass concentration and is 30% ammoniacal liquor, and is placed on stirring cooling in ice bath pond, wherein, it is described
Graphite oxide：The mass ratio of potassium metaperiodate is 100:10, the solid-to-liquid ratio of the graphite oxide and the ammoniacal liquor is 1g:30ml；
Above-mentioned composite material mixture is filtered, obtained amination graphene oxide and potassium metaperiodate slurry are passed through into spreader
Be applied on substrate, then by smear it is good be placed substantially at vacuum drying chamber be drying, that is, obtain the detection lug, sealing preserve
It is stand-by；
The time of the ultrasonic disperse is 60 minutes.
The vacuum drying temperature is 80 DEG C.
The vacuum drying time is 38 hours.
A kind of Analysis Methods for Formaldehyde using above-mentioned formaldehyde examination device, comprises the following steps：
The back box of the volumetric standard is positioned over 24 hours in environment to be measured；
Lid is added in back box, and plugs detection lug, is sealed 24 hours；
According to colorimetric
Choose the m that room area is 802House, if 2 test points；
The average value of each point testing result is taken as the detected value in the room.
When civil building engineering is checked and accepted, environmental contaminants concentration field test point is 1m, away from flooring height away from inner wall surface
1.5m；Test point is uniformly distributed, and avoids ventilating duct and ventilating opening.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (6)
1. a kind of formaldehyde examination device, for detecting whether the concentration of formaldehyde is exceeded, the formaldehyde examination device holds including standard
Device and detection lug.
2. according to claim 1, the volumetric standard volume is 20L, including back box and lid.
3. according to claim 1, the back box, which leaves seal groove, the lid, the sealing strip used cooperatively with seal groove；Institute
It is one kind in silica gel, rubber to state sealing strip material；The lid leaves jack, for placing the detection lug.
4. according to claim 1, the detection lug is that amination graphene oxide and potassium metaperiodate composite wood are coated with substrate
Material.
5. according to claim 1 and claim 4, the preparation method of amination graphene oxide and potassium metaperiodate composite,
Comprise the following steps：
Step 1：Graphite oxide and potassium metaperiodate are added to ultrasonic disperse after 80 ~ 100 DEG C of deionized water is mixed, aoxidized
Graphene-potassium metaperiodate suspension, then add mass concentration be 30% ammoniacal liquor, and be placed in ice bath pond stir cooling,
Wherein, the graphite oxide：The mass ratio of potassium metaperiodate is 100:6 ~ 20, the solid-to-liquid ratio of the graphite oxide and the ammoniacal liquor is
1g:30ml；
Step 2：Above-mentioned composite material mixture is filtered, obtained amination graphene oxide and potassium metaperiodate slurry are passed through
Spreader is applied on substrate, then by smear it is good be placed substantially at vacuum drying chamber be drying, that is, obtain the detection lug, it is close
Envelope preserves stand-by；
Step 3：The time of the ultrasonic disperse is 30 minutes ~ 120 minutes；
Step 4：The vacuum drying temperature is 60 ~ 80 DEG C；
Step 5：The vacuum drying time is 24 hours ~ 48 hours.
6. according to claim 1, a kind of Analysis Methods for Formaldehyde using above-mentioned formaldehyde examination device comprises the following steps：
Step 1：The back box of the volumetric standard is positioned over 24 hours in environment to be measured；
Step 2：Lid is added in back box, and plugs detection lug, is sealed 24 hours；
Step 3：According to colorimetric card, the color change of contrasting detection piece reads the concentration of formaldehyde.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710672843.XA CN107328768A (en) | 2017-08-08 | 2017-08-08 | Formaldehyde examination device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710672843.XA CN107328768A (en) | 2017-08-08 | 2017-08-08 | Formaldehyde examination device and detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107328768A true CN107328768A (en) | 2017-11-07 |
Family
ID=60225649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710672843.XA Pending CN107328768A (en) | 2017-08-08 | 2017-08-08 | Formaldehyde examination device and detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107328768A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1661360A (en) * | 2004-02-27 | 2005-08-31 | 上海塞艾生物科技有限公司 | One-off simple rapid test kit for color matching formaldehyde and preparation method |
| CN2738246Y (en) * | 2004-11-03 | 2005-11-02 | 上海碧华环保科技有限公司 | Formaldehyde fast detecting instrument |
| CN1940536A (en) * | 2006-08-23 | 2007-04-04 | 北京博雅生纳科技有限公司 | Method gas content determining kit and its use |
| CN201754147U (en) * | 2010-08-09 | 2011-03-02 | 王晓晨 | Indoor formaldehyde content detector |
| CN102590200A (en) * | 2012-02-16 | 2012-07-18 | 北京六角体科技发展有限公司 | Formaldehyde gas detection kit and method for detecting formaldehyde |
| CN103837527A (en) * | 2012-11-21 | 2014-06-04 | 海洋王照明科技股份有限公司 | Formaldehyde detection device, making method and formaldehyde detection method thereof |
| CN203811545U (en) * | 2014-04-23 | 2014-09-03 | 北京安生绿源科技有限公司 | Rapid formaldehyde detecting rod |
| CN205301180U (en) * | 2016-01-13 | 2016-06-08 | 重庆城市管理职业学院 | House formaldehyde safety inspection box |
-
2017
- 2017-08-08 CN CN201710672843.XA patent/CN107328768A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1661360A (en) * | 2004-02-27 | 2005-08-31 | 上海塞艾生物科技有限公司 | One-off simple rapid test kit for color matching formaldehyde and preparation method |
| CN2738246Y (en) * | 2004-11-03 | 2005-11-02 | 上海碧华环保科技有限公司 | Formaldehyde fast detecting instrument |
| CN1940536A (en) * | 2006-08-23 | 2007-04-04 | 北京博雅生纳科技有限公司 | Method gas content determining kit and its use |
| CN201754147U (en) * | 2010-08-09 | 2011-03-02 | 王晓晨 | Indoor formaldehyde content detector |
| CN102590200A (en) * | 2012-02-16 | 2012-07-18 | 北京六角体科技发展有限公司 | Formaldehyde gas detection kit and method for detecting formaldehyde |
| CN103837527A (en) * | 2012-11-21 | 2014-06-04 | 海洋王照明科技股份有限公司 | Formaldehyde detection device, making method and formaldehyde detection method thereof |
| CN203811545U (en) * | 2014-04-23 | 2014-09-03 | 北京安生绿源科技有限公司 | Rapid formaldehyde detecting rod |
| CN205301180U (en) * | 2016-01-13 | 2016-06-08 | 重庆城市管理职业学院 | House formaldehyde safety inspection box |
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