CN103196902A - Air formaldehyde self-detecting box - Google Patents
Air formaldehyde self-detecting box Download PDFInfo
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- CN103196902A CN103196902A CN2012100024149A CN201210002414A CN103196902A CN 103196902 A CN103196902 A CN 103196902A CN 2012100024149 A CN2012100024149 A CN 2012100024149A CN 201210002414 A CN201210002414 A CN 201210002414A CN 103196902 A CN103196902 A CN 103196902A
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Abstract
The invention relates to an air formaldehyde self-detecting box. The air formaldehyde self-detecting box comprises 1-10ml of an absorbing accelerant, 0.05-200mg of an absorbent, a color developing agent and a stabilizer, 1-10ml of a color developing accelerant, and a color card composed of three colors comprising yellow, green and blue; the absorbing accelerant is filled in an acid resistant plastic or glass bottle; the absorbent, the color developing agent and the stabilizer are mixed in a round box made of a PE or PP material, and is sealed through an aluminum foil film for dampness resistance; the color developing accelerant is filled in the acid resistant plastic or glass bottle; and the color card is provided with two to twenty color levels which correspond to the air formaldehyde concentrations in a range of 0-20.0mg/m<3>. According to the invention, a semi-quantitative detection result can be obtained within 40min according to an operation instruction without special equipment or the operation by specialized detection persons; and a product of the air formaldehyde self-detecting box can be produced in batch, and the cost per detection is about 10yuan, so the air formaldehyde self-detecting box is especially suitable for the household daily detection.
Description
Technical field
The present invention relates to the air detection technical field, relate in particular to a kind of air formaldehyde box of testing oneself.
Background technology
Formaldehyde has been first kind carcinogen in 2004 by the 3/IJ of international cancer research institution (IARC). formaldehyde causes human nasopharyngeal carcinoma, CARCINOMA OF THE NASAL CAVITY and nasal sinus cancer, can cause leukaemia .2005 January 31, in the report of the carcinogen of U.S.'s health and Department of Public Enterprises and public health bureau's issue, list formaldehyde in a class carcinogen. still have stronger cohesive and strengthen sheet material hardness because of formaldehyde, insect protected, function such as anticorrosion, and price is cheap, so Lauxite (formaldehyde is principal ingredient) is present scale board as interior decoration, core-board, medium density fiber, the first-selected starting material of particieboard. in the plate residual and have neither part nor lot in the formaldehyde of reaction can be gradually towards periphery environment discharge, the longest release period can reach the more than ten years, forms the lasting existence that formaldehyde in indoor air is polluted.In " covil construction indoor environmental pollution control standard " that country promulgates, the content of formaldehyde in indoor air is no more than 0.2mg/m
3
Existing room air formaldehyde detection method is divided into: (1) AHMT spectrophotometric method; (2) phenol reagent spectrophotometric method; (3) gas chromatography; (4) diacetone spectrophotometric method; (5) electrochemical sensor method.Said method all needs special-purpose gas sampling apparatus, spectrophotometer or detector, needs special inspecting equipment and technician to operate, and it is daily to be not suitable for household.
Summary of the invention
The purpose of this invention is to provide a kind of air formaldehyde box of testing oneself, simple to operate, need not special-purpose instrument and equipment, testing cost is low, is fit to daily family expenses and detects.
The objective of the invention is to be achieved through the following technical solutions:
A kind of air formaldehyde box of testing oneself comprises:
Sorbefacient, 1～10ml, described sorbefacient is contained in the acidproof plastics or vial that volume is 5ml-15ml, described sorbefacient is selected from least a in 0.01M～1M hydrochloric acid, 0.01M～1M nitric acid, 0.01M～1M formic acid, the 0.01M～1M acetic acid, add at least a in tap water, deionized water, distilled water, the pure water again, acid is 1: 1～1: 19 with the volume ratio of water;
Absorbing agent, developer and stabilizing agent, the three is 0.05mg～200mg altogether, described absorbing agent, developer and stabilizing agent three mixing are contained in diameter 0.5cm-3.0cm, in the round box of height 0.5cm-4.5cm, circle box material is PE (tygon) or PP (polypropylene) and adopts aluminium foil film sealed damp-proof, described absorbing agent, the mixing quality ratio of developer and stabilizing agent is 1: 1: 1～1: 10: 10, described absorbing agent is selected from 4-amino-3-hydrazine-5-sulfydryl-1,2, the 4-triazole, diacetone, phenol reagent, chromotropic acid at least a, described developer is selected from ferric trichloride, iron protochloride, hydrochloric acid, ferrous sulphate, at least a in the sulfuric acid, described stabilizing agent is selected from lime chloride, lauryl sodium sulfate, sodium tripolyphosphate, carboxymethyl cellulose, porcelain earth, zeyssatite, anhydrous sodium sulfate, calcium silicate, dolomol, at least a in the magnesium chloride;
Colour developing promoter, 1～10ml, described colour developing promoter is contained in the acidproof plastics or vial that volume is 5ml-15ml, and described colour developing promoter is selected from least a in hydrochloric acid, sulfuric acid, nitric acid, formic acid, acetic acid, ammonium ferric sulfate, ammonium chloride, ammonium nitrate, the ferric trichloride; And
The colour atla that yellowish green blue three kinds of colour systems are formed, described colour atla is provided with 2～20 color ranges, and corresponding air concentration of formaldehyde is 0～20.0mg/m
3, the corresponding relation of color range and concentration is demarcated by the air formaldehyde detection method of national standard " civil building engineering indoor environmental pollution control standard " GB50325-2001 (2006 editions) regulation.
The air formaldehyde of the present invention box ultimate principle of testing oneself is to utilize absorbing agent to absorb formaldehyde in the air, then with developer, colour developing promoter, stabilizing agent reaction, generate a kind of coloured material, how many depths of color is directly proportional with formaldehyde, thereby can find corresponding concentration at colour atla.
Beneficial effect of the present invention is:
1, the principle of Cai Yonging meets the air formaldehyde detection method of national standard " civil building engineering indoor environmental pollution control standard " GB50325-2001 (2006 editions) regulation.
2, simple to operate, easy to use, need not specialized instrument and equipment, do not need special technician's operation.
3, good economy performance: testing cost is low, generally arrives the expense of special testing agency's sample presentation detection mostly more than several thousand yuan, needs just can take examining report several working days.This air formaldehyde box of testing oneself went out the result in 40 minutes, about ten yuan of testing costs.It is a kind of convenient, economic, reliable air formaldehyde method for rapidly testing.
Embodiment
Embodiment 1
0.1M hydrochloric acid and deionized water were mixed and made into sorbefacient 5ml in 1: 1 by volume, the volume of packing into is in the acidproof plastic bottle of 10ml;
Diacetone as absorbing agent, ferrous sulphate as developer, lime chloride as stabilizing agent, the three is pressed mass ratio mix at 1: 1: 1, mixing the back quality is 100mg, and diameter 3.0cm packs into, in the round box of the PE material of height 4cm, and adopt aluminium foil film sealed damp-proof;
5ml ammonium chloride is as colour developing promoter, and the volume of packing into is in the acidproof plastic bottle of 10ml;
Colour atla is made up of yellowish green blue three kinds of colour systems, is provided with nine color ranges, and corresponding air concentration of formaldehyde is 0,0.05,0.1,0.2,0.4,0.6,0.8,1.0 respectively, 1.2mg/m
3, the corresponding relation of color range and concentration is demarcated by the air formaldehyde detection method of national standard " civil building engineering indoor environmental pollution control standard " GB50325-2001 (2006 editions) regulation.
Embodiment 2
0.1M formic acid and deionized water were mixed and made into sorbefacient 7ml in 1: 1 by volume, the volume of packing into is in the acidproof plastic bottle of 10ml;
Phenol reagent as absorbing agent, iron protochloride as developer, calcium silicate as stabilizing agent, the three is pressed mass ratio mix at 1: 1: 1, mixing the back quality is 150mg, and diameter 3.0cm packs into, in the round box of the PE material of height 4cm, and adopt aluminium foil film sealed damp-proof;
7ml formic acid is as colour developing promoter, and the volume of packing into is in the acidproof plastic bottle of 10ml;
Colour atla is made up of yellowish green blue three kinds of colour systems, is provided with nine color ranges, and corresponding air concentration of formaldehyde is 0,0.05,0.1,0.2,0.4,0.6,0.8,1.0 respectively, 1.2mg/m
3, the corresponding relation of color range and concentration is demarcated by the air formaldehyde detection method of national standard " civil building engineering indoor environmental pollution control standard " GB50325-2001 (2006 editions) regulation.
Embodiment 3
0.1M nitric acid and deionized water were mixed and made into sorbefacient 10ml in 1: 1 by volume, the volume of packing into is in the acidproof plastic bottle of 15ml;
Diacetone as absorbing agent, ferric trichloride as developer, carboxymethyl cellulose as stabilizing agent, the three is pressed mass ratio mix at 1: 1: 1, mixing the back quality is 200mg, and diameter 3.0cm packs into, in the round box of the PE material of height 4cm, and adopt aluminium foil film sealed damp-proof;
The 10ml ammonium ferric sulfate is as colour developing promoter, and the volume of packing into is in the acidproof plastic bottle of 15ml;
Colour atla is made up of yellowish green blue three kinds of colour systems, is provided with nine color ranges, and corresponding air concentration of formaldehyde is 0,0.05,0.1,0.2,0.4,0.6,0.8,1.0 respectively, 1.2mg/m
3, the corresponding relation of color range and concentration is demarcated by the air formaldehyde detection method of national standard " civil building engineering indoor environmental pollution control standard " GB50325-2001 (2006 editions) regulation.
When testing oneself the box detection with air formaldehyde of the present invention, airtight space 1-3 to be detected hour earlier, liquid (sorbefacient) in the plastic jar A is poured among the plastics circle box B, after solids such as absorbing agent dissolvings, the B box placed absorb formaldehyde 30 minutes in the space to be detected, again the colour developing promoter in the C bottle is poured in the B box, namely showed color in 1-2 minute, when placing 10 minutes colour stables, with the colour atla contrast, the immediate colour of color is concentration of formaldehyde in the space to be measured with the concentration of formaldehyde of correspondence.Effect: such as the air concentration of formaldehyde that detects in the office, with the air formaldehyde of the present invention box of testing oneself, press aforesaid operations, the result who measures is 0.2mg/m3.Air formaldehyde detection method by national standard " civil building engineering indoor environmental pollution control standard " GB50325-2001 (2006 editions) regulation detects, and the result is 0.22mg/m3.Data are identical substantially, but the advantage of patent of the present invention is the instrument and equipment that does not need specialty, does not also need professional testing staff to operate.According to the operation instructions ordinary people, the present invention changed into product with regard to the semiquantitative result that measures of energy in 40 minutes, produced in batches, and detection expense once especially is fit to the daily detection in house about ten yuan.
Example
1. the assembling air formaldehyde box of testing oneself:
A is vial, the inside dress sorbefacient 5ml;
B is equipped with absorbing agent, developer and stabilizing agent 10mg for PE plastics circle box the inside.
C is acidproof plastic jar, the inside dress colour developing promoter 5ml;
The colour atla colour atla is provided with nine color ranges, corresponding air concentration of formaldehyde respectively the time 0,0.05,0.1,0.2,0.4,0.6,0.8,1.0,1.2mg/m
3
2. detect a 15m
2Air concentration of formaldehyde in the office, closed the doors and windows earlier 2 hours, record temperature, humidity, with the air formaldehyde of the present invention box of testing oneself, liquid (sorbefacient) in the bottle A is poured among the plastics circle box B, shaken gently, after the dissolving of solids such as absorbing agent, the B box is placed in the office interior absorption formaldehyde 30 minutes.
3. colour developing: the colour developing promoter in the C bottle is poured in the B box, when placing 10 minutes colour stables, with the colour atla contrast, the immediate colour of color is 0.2mg/m with the concentration of formaldehyde of correspondence again
3, be air formaldehyde concentration in the office.Press aforesaid operations, the result who measures is.Air formaldehyde detection method by national standard " civil building engineering indoor environmental pollution control standard " GB50325-2001 (2006 editions) regulation detects, and the result is 0.22mg/m
3
Claims (9)
1. air formaldehyde box of testing oneself is characterized in that it comprises:
Sorbefacient, 1～10ml;
Absorbing agent, developer and stabilizing agent, 0.05mg～200mg altogether;
Colour developing promoter, 1～10ml; And
The colour atla that yellowish green blue three kinds of colour systems are formed.
2. the air formaldehyde according to claim 1 box of testing oneself, it is characterized in that: described sorbefacient is selected from least a in 0.01M～1M hydrochloric acid, 0.01M～1M nitric acid, 0.01M～1M formic acid, the 0.01M～1M acetic acid, add at least a in tap water, deionized water, distilled water, the pure water again, the volume ratio of wherein said acid and water is 1: 1～1: 19.
3. the air formaldehyde according to claim 2 box of testing oneself, it is characterized in that: described absorbing agent is selected from 4-amino-3-hydrazine-5-sulfydryl-1,2,4-triazole, diacetone, phenol reagent, chromotropic acid at least a.
4. the air formaldehyde according to claim 3 box of testing oneself is characterized in that: described developer is selected from least a in ferric trichloride, iron protochloride, hydrochloric acid, ferrous sulphate, the sulfuric acid.
5. the air formaldehyde according to claim 4 box of testing oneself is characterized in that: described stabilizing agent is selected from least a in lime chloride, lauryl sodium sulfate, sodium tripolyphosphate, carboxymethyl cellulose, porcelain earth, zeyssatite, anhydrous sodium sulfate, calcium silicate, dolomol, the magnesium chloride.
6. the air formaldehyde according to claim 5 box of testing oneself, it is characterized in that: the mass ratio of described absorbing agent, developer and stabilizing agent is 1: 1: 1～1: 10: 10.
7. the air formaldehyde according to claim 6 box of testing oneself is characterized in that: described colour developing promoter is selected from least a in hydrochloric acid, sulfuric acid, nitric acid, formic acid, acetic acid, ammonium ferric sulfate, ammonium chloride, ammonium nitrate, the ferric trichloride.
8. the air formaldehyde according to claim 7 box of testing oneself, it is characterized in that: described colour atla is provided with 2～20 color ranges, and corresponding air concentration of formaldehyde is 0～20.0mg/m
3
9. according to each described air formaldehyde of claim 1-8 box of testing oneself, it is characterized in that: described sorbefacient is contained in the acidproof plastics or vial that volume is 5ml-15ml; Described absorbing agent, developer and stabilizing agent mixing are contained in diameter 0.5cm-3.0cm, and in the round box of height 0.5cm-4.5cm, circle box material is PE or PP, and adopts aluminium foil film sealed damp-proof; Described colour developing promoter is contained in the acidproof plastics or vial that volume is 5ml-15ml.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100024149A CN103196902A (en) | 2012-01-04 | 2012-01-04 | Air formaldehyde self-detecting box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100024149A CN103196902A (en) | 2012-01-04 | 2012-01-04 | Air formaldehyde self-detecting box |
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| CN103196902A true CN103196902A (en) | 2013-07-10 |
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| CN2012100024149A Pending CN103196902A (en) | 2012-01-04 | 2012-01-04 | Air formaldehyde self-detecting box |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034725A (en) * | 2014-06-25 | 2014-09-10 | 湖北工业大学 | Rapid detection test paper for trace chromium and preparation method of rapid detection test paper |
| CN104390959A (en) * | 2014-11-06 | 2015-03-04 | 常熟市苏常工程质量检测有限公司 | Method for detecting content of formaldehyde in house |
| CN104931490A (en) * | 2015-05-29 | 2015-09-23 | 福建拓普检测技术有限公司 | Method for simply detecting whether air in operation environment contains lead and detection device |
| CN105021597A (en) * | 2014-04-30 | 2015-11-04 | 张晓咪 | Air formaldehyde detection device |
| CN105352950A (en) * | 2015-10-24 | 2016-02-24 | 佛山市奥朗科技有限公司 | Detection medicament and method for rapid detection of formaldehyde content in air |
| CN107340289A (en) * | 2017-06-28 | 2017-11-10 | 防城港市质量技术监督局 | A kind of formaldehyde determination kit |
| CN108514867A (en) * | 2018-04-18 | 2018-09-11 | 北京化工大学 | A kind of preparation of the sodium alginate gel ball of detection formaldehyde |
| CN109540880A (en) * | 2018-12-05 | 2019-03-29 | 宋义喜 | A kind of biological respinse type indoor formaldehyde detection method |
| CN111504991A (en) * | 2020-04-30 | 2020-08-07 | 军事科学院军事医学研究院环境医学与作业医学研究所 | Kit for detecting formaldehyde gas |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021597A (en) * | 2014-04-30 | 2015-11-04 | 张晓咪 | Air formaldehyde detection device |
| CN104034725A (en) * | 2014-06-25 | 2014-09-10 | 湖北工业大学 | Rapid detection test paper for trace chromium and preparation method of rapid detection test paper |
| CN104390959A (en) * | 2014-11-06 | 2015-03-04 | 常熟市苏常工程质量检测有限公司 | Method for detecting content of formaldehyde in house |
| CN104931490A (en) * | 2015-05-29 | 2015-09-23 | 福建拓普检测技术有限公司 | Method for simply detecting whether air in operation environment contains lead and detection device |
| CN104931490B (en) * | 2015-05-29 | 2017-07-25 | 福建拓普检测技术有限公司 | In a kind of simple detection operation surrounding air whether leaded detection means |
| CN105352950A (en) * | 2015-10-24 | 2016-02-24 | 佛山市奥朗科技有限公司 | Detection medicament and method for rapid detection of formaldehyde content in air |
| CN107340289A (en) * | 2017-06-28 | 2017-11-10 | 防城港市质量技术监督局 | A kind of formaldehyde determination kit |
| CN108514867A (en) * | 2018-04-18 | 2018-09-11 | 北京化工大学 | A kind of preparation of the sodium alginate gel ball of detection formaldehyde |
| CN108514867B (en) * | 2018-04-18 | 2020-09-22 | 北京化工大学 | Preparation of sodium alginate gel beads for detecting formaldehyde |
| CN109540880A (en) * | 2018-12-05 | 2019-03-29 | 宋义喜 | A kind of biological respinse type indoor formaldehyde detection method |
| CN111504991A (en) * | 2020-04-30 | 2020-08-07 | 军事科学院军事医学研究院环境医学与作业医学研究所 | Kit for detecting formaldehyde gas |
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Application publication date: 20130710 |