CN107389670A - A kind of kit for determining formaldehyde in air - Google Patents
A kind of kit for determining formaldehyde in air Download PDFInfo
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- CN107389670A CN107389670A CN201710510086.6A CN201710510086A CN107389670A CN 107389670 A CN107389670 A CN 107389670A CN 201710510086 A CN201710510086 A CN 201710510086A CN 107389670 A CN107389670 A CN 107389670A
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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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Abstract
The invention discloses a kind of kit for determining formaldehyde in air, it is made up of the supporter containing test agent, developer, white cloth and colorimetric card, the test agent mainly contains following raw material：Citric acid, AHMT solution, triethanolamine, potassium ferrocyanide, ammonium sulfate, formic acid, pyruvic acid and sodium ethylene diamine tetracetate.The kit of present invention measure formaldehyde in air, precision is good, and detection cycle is short, strong antijamming capability, and method fast and stable is accurate, rate of accuracy reached more than 97%.And it is easy to family to use, detection method is simple, can voluntarily detect, and saves formaldehyde examination cost.
Description
Technical field
The present invention relates to measure field, more particularly to a kind of kit for determining formaldehyde in air.
Background technology
Formaldehyde, molecular formula HCHO, also known as formaldehyde, be simplest aldehydes, be under normal circumstances it is a kind of flammable, colourless and
Gas excitatory, soluble in water, alcohol and ether.Formaldehyde has intense irritation to eyes, respiratory tract and skin.Formaldehyde Exposed steams
Gas easily causes conjunctivitis, keratitis, rhinitis, bronchitis etc., and What is more can cause laryngospasm, glottic oedema, pneumonia, edema with the lung involved
It is swollen.Meanwhile formaldehyde also has primary sexual stimulus and sensitization to skin, dermatitis can be caused, concentrated solution can cause skin coagulability bad
Extremely.Oral formaldehyde can burn oral cavity and alimentary canal, and gastrointestinal perforation, shock and hepatorenal damage easily occurs.Long Term Contact low concentration
Formaldehyde can have slight eye and the upper respiratory tract irritation, dry skin and chap.
Substantial amounts of finishing, the use of ornament materials now so that indoor air pollution is increasingly severe, wherein to count first
The harm of aldehyde is maximum.And it is current, existing air formaldehyde detection method is broadly divided into 3 classes, first, instrumental method, instrument is visible
Spectrophotometer or gas chromatograph, when doing air formaldehyde detection, professional lab technician adopts back sample in test in laboratory,
Operate more complicated.Second, air formaldehyde self testing kit, adsorbent is positioned in a capsule by this method, with water-soluble during use
Solution, after being then exposed to space to be measured for a period of time, developer generation coloring matter is added, first in air is determined compared with colour atla
How much is aldehyde.This easy detection means cost is low, easy-operating advantage.At present, time-consuming for formaldehyde detection reagent kit,
Accuracy rate is low, has preferably kit yet-to-be developed to use.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the present invention, without answering
It has been the prior art well known to persons skilled in the art when being considered as recognizing or implying the information structure in any form.
The content of the invention
It is an object of the invention to provide a kind of kit for determining formaldehyde in air, live can fast and accurately determine
Formaldehyde in air.
To achieve the above object, the invention provides a kind of kit for determining formaldehyde in air, by the branch containing test agent
Support thing, developer, white cloth and colorimetric card composition, the test agent and mainly contain following raw material：Citric acid, AHMT solution
(Chinese is entitled：4- amino -3- hydrazines -5- dredges base -1,2,4- triazoles solution), triethanolamine, potassium ferrocyanide, sulfuric acid
Ammonium, formic acid, pyruvic acid and sodium ethylene diamine tetracetate.
Preferably, in above-mentioned technical proposal, the test agent is counted in parts by weight, mainly contains following raw material：Citric acid
11-18 parts, AHMT solution 9-16 parts, triethanolamine 4-11 parts, potassium ferrocyanide 6-17 parts, ammonium sulfate 2-4 parts, formic acid 3-9 parts,
Pyruvic acid 2-7 parts and sodium ethylene diamine tetracetate 3-9 parts.
Preferably, in above-mentioned technical proposal, the test agent is counted in parts by weight, mainly contains following raw material：Citric acid
15 parts, 12 parts of AHMT solution, 8 parts of triethanolamine, 13 parts of potassium ferrocyanide, 3 parts of ammonium sulfate, 6 parts of formic acid, 4 parts of pyruvic acid and second
7 parts of sodium ethylene diamine tetracetate.
Preferably, in above-mentioned technical proposal, the developer is the ammonium ferric sulfate solution that mass concentration is 1%.
Preferably, in above-mentioned technical proposal, the supporting plate is plastic plate with holes, and test agent is placed in volume weight tube, institute
Volume weight tube is stated to be positioned in the supporting plate.
Preferably, in above-mentioned technical proposal, the white cloth is non-woven fabrics.
A kind of application method for the kit for determining formaldehyde in air, comprises the following steps：By the citric acid in test agent,
AHMT solution, triethanolamine, potassium ferrocyanide, ammonium sulfate, formic acid, pyruvic acid and sodium ethylene diamine tetracetate and developer mixing are such as
In detection pipe, then white cloth is immersed in mixed liquor and soaked, the air sample to be measured then just gone toward press-in in detection pipe,
After 5-10min, cloth is taken out, dries cloth, the color of the color of cloth and colorimetric card is contrasted into i.e. detectable air
The content of middle formaldehyde.
Compared with prior art, the present invention has the advantages that：The kit of present invention measure formaldehyde in air, essence
Density is good, and detection cycle is short, strong antijamming capability, and method fast and stable is accurate, rate of accuracy reached more than 97%.And it is easy to family to make
With detection method is simple, can voluntarily detect, and saves formaldehyde examination cost.
Embodiment
With reference to specific embodiment, the embodiment of the present invention is described in detail, it is to be understood that this hair
Bright protection domain is not limited by embodiment.
Embodiment 1
A kind of kit for determining formaldehyde in air, by the supporter containing test agent, developer, white non-woven cloth and ratio
Colour atla is formed, and the test agent is counted in parts by weight, mainly contains following raw material：15 parts of citric acid, 12 parts of AHMT solution, three second
7 parts of 8 parts of hydramine, 13 parts of potassium ferrocyanide, 3 parts of ammonium sulfate, 6 parts of formic acid, 4 parts of pyruvic acid and sodium ethylene diamine tetracetate.
The developer is the ammonium ferric sulfate solution that mass concentration is 1%.
The supporting plate is plastic plate with holes, and test agent is placed in volume weight tube, and the volume weight tube is positioned over the support
On plate.
A kind of application method for the kit for determining formaldehyde in air, comprises the following steps：By the citric acid in test agent,
AHMT solution, triethanolamine, potassium ferrocyanide, ammonium sulfate, formic acid, pyruvic acid and sodium ethylene diamine tetracetate and developer mixing are such as
In detection pipe, then white cloth is immersed in mixed liquor and soaked, the air sample to be measured then just gone toward press-in in detection pipe,
After 6min, cloth is taken out, dries cloth, the color of the color of cloth and colorimetric card is contrasted into first in i.e. detectable air
The content of aldehyde.
Embodiment 2
A kind of kit for determining formaldehyde in air, by the supporter containing test agent, developer, white non-woven cloth and ratio
Colour atla is formed, and the test agent is counted in parts by weight, mainly contains following raw material：11 parts of citric acid, 16 parts of AHMT solution, three second
3 parts of 4 parts of hydramine, 17 parts of potassium ferrocyanide, 2 parts of ammonium sulfate, 3 parts of formic acid, 7 parts of pyruvic acid and sodium ethylene diamine tetracetate.
The developer is the ammonium ferric sulfate solution that mass concentration is 1%.
The supporting plate is plastic plate with holes, and test agent is placed in volume weight tube, and the volume weight tube is positioned over the support
On plate.
A kind of application method for the kit for determining formaldehyde in air, comprises the following steps：By the citric acid in test agent,
AHMT solution, triethanolamine, potassium ferrocyanide, ammonium sulfate, formic acid, pyruvic acid and sodium ethylene diamine tetracetate and developer mixing are such as
In detection pipe, then white cloth is immersed in mixed liquor and soaked, the air sample to be measured then just gone toward press-in in detection pipe,
After 5min, cloth is taken out, dries cloth, the color of the color of cloth and colorimetric card is contrasted into first in i.e. detectable air
The content of aldehyde.
Embodiment 3
A kind of kit for determining formaldehyde in air, by the supporter containing test agent, developer, white non-woven cloth and ratio
Colour atla is formed, and the test agent is counted in parts by weight, mainly contains following raw material：18 parts of citric acid, 9 parts of AHMT solution, three second
9 parts of 11 parts of hydramine, 6 parts of potassium ferrocyanide, 4 parts of ammonium sulfate, 9 parts of formic acid, 2 parts of pyruvic acid and sodium ethylene diamine tetracetate.
The developer is the ammonium ferric sulfate solution that mass concentration is 1%.
The supporting plate is plastic plate with holes, and test agent is placed in volume weight tube, and the volume weight tube is positioned over the support
On plate.
A kind of application method for the kit for determining formaldehyde in air, comprises the following steps：By the citric acid in test agent,
AHMT solution, triethanolamine, potassium ferrocyanide, ammonium sulfate, formic acid, pyruvic acid and sodium ethylene diamine tetracetate and developer mixing are such as
In detection pipe, then white cloth is immersed in mixed liquor and soaked, the air sample to be measured then just gone toward press-in in detection pipe,
After 10min, cloth is taken out, dries cloth, the color of the color of cloth and colorimetric card is contrasted in i.e. detectable air
The content of formaldehyde.
Performance test
The common commercially available kit (as a comparison case) of kit and in the market being prepared using the embodiment of the present invention
Detected, in the unified new house just fitted up carried out by detecting field, the data obtained is included in table 1.
The detection formaldehyde contrast of 1 different kits of table
| Group | Developing time (min) | Accuracy rate (%) |
| Embodiment 1 | 5 | 98.6 |
| Embodiment 2 | 6 | 98.4 |
| Embodiment 3 | 6 | 98.1 |
| Comparative example | 10 | 87.7 |
As shown in table 1, the content of formaldehyde in air is detected using the kit of the present invention, developing time is fast, and accuracy rate
It is high.
The description of the foregoing specific illustrative embodiment to the present invention is to illustrate and the purpose of illustration.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explain that the certain principles of the present invention and its reality should
With so that those skilled in the art can realize and utilize the present invention a variety of exemplaries and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (7)
- A kind of 1. kit for determining formaldehyde in air, by the supporter containing test agent, developer, white cloth and colorimetric card group Into, it is characterised in that the test agent mainly contains following raw material：Citric acid, AHMT solution, triethanolamine, potassium ferrocyanide, Ammonium sulfate, formic acid, pyruvic acid and sodium ethylene diamine tetracetate.
- 2. the kit of measure formaldehyde in air according to claim 1, it is characterised in that the test agent is by weight Number meter, mainly contains following raw material：Citric acid 11-18 parts, AHMT solution 9-16 parts, triethanolamine 4-11 parts, potassium ferrocyanide 6-17 parts, ammonium sulfate 2-4 parts, formic acid 3-9 parts, pyruvic acid 2-7 parts and sodium ethylene diamine tetracetate 3-9 parts.
- 3. the kit of measure formaldehyde in air according to claim 1, it is characterised in that the test agent is by weight Number meter, mainly contains following raw material：15 parts of citric acid, 12 parts of AHMT solution, 8 parts of triethanolamine, 13 parts of potassium ferrocyanide, sulfuric acid 7 parts of 3 parts of ammonium, 6 parts of formic acid, 4 parts of pyruvic acid and sodium ethylene diamine tetracetate.
- 4. the kit of measure formaldehyde in air according to claim 1, it is characterised in that the developer is that quality is dense Spend the ammonium ferric sulfate solution for 1%.
- 5. the kit of measure formaldehyde in air according to claim 1, it is characterised in that the supporting plate is with holes Plastic plate, test agent are placed in volume weight tube, and the volume weight tube is positioned in the supporting plate.
- 6. the kit of measure formaldehyde in air according to claim 1, it is characterised in that the white cloth is nonwoven Cloth.
- A kind of 7. application method of the kit of measure formaldehyde in air as claimed in claim 1, it is characterised in that including with Lower step：By the citric acid in test agent, AHMT solution, triethanolamine, potassium ferrocyanide, ammonium sulfate, formic acid, pyruvic acid and second Then white cloth is immersed in mixed liquor and soaked, then toward detection as in detection pipe by sodium ethylene diamine tetracetate and developer mixing The air sample to be measured just gone is pressed into pipe, after 5-10min, cloth is taken out, cloth is dried, by the color and colorimetric card of cloth Color contrasted the content of i.e. detectable formaldehyde in air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710510086.6A CN107389670A (en) | 2017-06-28 | 2017-06-28 | A kind of kit for determining formaldehyde in air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710510086.6A CN107389670A (en) | 2017-06-28 | 2017-06-28 | A kind of kit for determining formaldehyde in air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107389670A true CN107389670A (en) | 2017-11-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710510086.6A Pending CN107389670A (en) | 2017-06-28 | 2017-06-28 | A kind of kit for determining formaldehyde in air |
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| Country | Link |
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| CN (1) | CN107389670A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663359A (en) * | 2018-04-18 | 2018-10-16 | 白玲 | Residues of formaldehyde assay kit in a kind of mushroom |
| CN108926984A (en) * | 2018-07-23 | 2018-12-04 | 上海乔昔环境工程有限公司 | A kind of superpower osmosis type special efficacy lyase |
Citations (6)
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|---|---|---|---|---|
| CN2901307Y (en) * | 2005-08-05 | 2007-05-16 | 万积成 | Formaldehyde detection test paper |
| CN101086479A (en) * | 2006-06-06 | 2007-12-12 | 张佃志 | Formaldehyde detection reagent kit and its preparation method |
| CN101793777A (en) * | 2009-02-04 | 2010-08-04 | 苏州艾杰生物科技有限公司 | Reagent (kit) for measuring formaldehyde and method for measuring concentration of formaldehyde |
| CN103760152A (en) * | 2011-10-20 | 2014-04-30 | 杨晓莉 | Formaldehyde detection kit and preparation method thereof |
| CN104374770A (en) * | 2014-11-18 | 2015-02-25 | 苏州东辰林达检测技术有限公司 | Kit for measuring formaldehyde in air |
| CN106644975A (en) * | 2016-10-11 | 2017-05-10 | 厦门斯坦道科学仪器股份有限公司 | Method for rapidly detecting formaldehyde in food |
-
2017
- 2017-06-28 CN CN201710510086.6A patent/CN107389670A/en active Pending
Patent Citations (6)
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|---|---|---|---|---|
| CN2901307Y (en) * | 2005-08-05 | 2007-05-16 | 万积成 | Formaldehyde detection test paper |
| CN101086479A (en) * | 2006-06-06 | 2007-12-12 | 张佃志 | Formaldehyde detection reagent kit and its preparation method |
| CN101793777A (en) * | 2009-02-04 | 2010-08-04 | 苏州艾杰生物科技有限公司 | Reagent (kit) for measuring formaldehyde and method for measuring concentration of formaldehyde |
| CN103760152A (en) * | 2011-10-20 | 2014-04-30 | 杨晓莉 | Formaldehyde detection kit and preparation method thereof |
| CN104374770A (en) * | 2014-11-18 | 2015-02-25 | 苏州东辰林达检测技术有限公司 | Kit for measuring formaldehyde in air |
| CN106644975A (en) * | 2016-10-11 | 2017-05-10 | 厦门斯坦道科学仪器股份有限公司 | Method for rapidly detecting formaldehyde in food |
Non-Patent Citations (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663359A (en) * | 2018-04-18 | 2018-10-16 | 白玲 | Residues of formaldehyde assay kit in a kind of mushroom |
| CN108926984A (en) * | 2018-07-23 | 2018-12-04 | 上海乔昔环境工程有限公司 | A kind of superpower osmosis type special efficacy lyase |
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Application publication date: 20171124 |