CN107422085A - A kind of detection reagent of formaldehyde in food - Google Patents
A kind of detection reagent of formaldehyde in food Download PDFInfo
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- CN107422085A CN107422085A CN201710541893.4A CN201710541893A CN107422085A CN 107422085 A CN107422085 A CN 107422085A CN 201710541893 A CN201710541893 A CN 201710541893A CN 107422085 A CN107422085 A CN 107422085A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
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Abstract
The present invention provides a kind of detection reagent of formaldehyde in food, is related to technical field of food detection.A kind of detection reagent of formaldehyde in food, including following raw materials according（In parts by weight）：17 parts of potassium metaperiodate, 0.5 3 parts of sodium hydroxide, 0.5 3 parts of petroleum ether, 25 parts of sodium sulphate, 15 parts of citric acid, 0.05 2 parts of sodium benzoate, 27 parts of acetylacetone,2,4-pentanedione, 13 parts of tartaric acid, 0.5 3 parts of glycerine, 27 parts of sodium pyrosulfate, 0.5 3 parts of sodium thiosulfate, 0.05 1 parts of ammonium nitrate, 26 parts of phosphoric acid, 15 20 parts of absolute ethyl alcohol, 30 80 parts of water.The detection reagent of formaldehyde in food provided by the invention, it is sensitive for formaldehyde stone flour, can be quickly and accurately to whether being judged in food containing formaldehyde, and accuracy rate is very high.Other reagent provided by the present invention is easy to use, it is not necessary to sufficiently complex professional operation is carried out on laboratory and other places, is easy to promote.
Description
Technical field
Formaldehyde, chemical formula HCHO or CH2O, also known as formula weight 30.03, formaldehyde.Colourless gas, there is special penetrating odor, it is right
Human eye, nose etc. have stimulation.Gas relative density 1.067（Air=1）, fluid density 0.815g/cm3（-20℃）.Fusing point-
92 DEG C, -19.5 DEG C of boiling point.Soluble in water and ethanol.The concentration of the aqueous solution reaches as high as 55%, typically 40%, referred to as formalin,
It is commonly called as formalin（formalin）, it is the colourless liquid for having penetrating odor.
The main harm of formaldehyde shows as the stimulation to skin and mucosa, when formaldehyde reaches finite concentration indoors, people
Just there is sense of discomfort.Concentration of formaldehyde more than 0.08m3 can cause furious, eye to be itched, throat discomfort or pain, hoarseness, sneeze,
Uncomfortable in chest, asthma, dermatitis etc..
The olfactory threshold of people's PARA FORMALDEHYDE PRILLS(91,95) is typically 0.06-0.07mg/m3.But there is a larger individual difference, someone is reachable
2.66mg/m³.For a long time, low concentration Formaldehyde Exposed can cause headache, dizzy, weak, sensory disturbance, immunity to reduce, and can go out
Existing drowsiness, failure of memory or neurasthenia, mental depression；Slow poisoning to respiratory system harm and it is huge, for a long time
Formaldehyde Exposed can trigger respiratory dysfunction and hepatogenotoxicity lesion, show as hepatocellular injury, liver radiation energy exception etc..
Formaldehyde is the explicitly provided additive for forbidding using in food of country, must not be detected in food, but much
The presence of formaldehyde has all been detected in food in various degree.
Because formaldehyde can keep water-soaked food surface color bright, toughness and crisp sense can be increased, improve mouthfeel, may be used also
With anti-corrosion, if soaking marine product with it, seafood form can be fixed, keeps fish color and luster.Therefore, formaldehyde is illegal
Retailer, which is widely used in, to be soaked in various aquatic products.
Because formaldehyde can brighten, change color and luster, therefore formaldehyde often by illegal retailer be used for fumigating or be added directly into wheaten food,
In mushroom or bean product, illegal retailer with " sodium formaldehyde sulfoxylate " fumigate relevant food brighten when, can also in food removing residue formaldehyde.
Therefore, the formaldehyde in food can cause very big damage to people, there is provided a kind of detection reagent of formaldehyde in food
With larger meaning.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides a kind of detection reagent of formaldehyde in food.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of detection reagent of formaldehyde in food, including following raw materials according（In parts by weight）：Potassium metaperiodate 1-7 parts, sodium hydroxide
0.5-3 parts, petroleum ether 0.5-3 parts, sodium sulphate 2-5 parts, citric acid 1-5 parts, sodium benzoate 0.05-2 parts, acetylacetone,2,4-pentanedione 2-7 parts,
Tartaric acid 1-3 parts, glycerine 0.5-3 parts, sodium pyrosulfate 2-7 parts, sodium thiosulfate 0.5-3 parts, ammonium nitrate 0.05-1 parts, phosphoric acid
2-6 parts, absolute ethyl alcohol 15-20 parts, water 30-80 parts.
Preferably, a kind of detection reagent of formaldehyde in food, including following raw materials according（In parts by weight）：Potassium metaperiodate 2-6
Part, sodium hydroxide 1-2 parts, petroleum ether 1-3 parts, sodium sulphate 3-4 parts, citric acid 2-3 parts, sodium benzoate 0.1-0.5 parts, levulinic
Ketone 3-6 parts, tartaric acid 2-2.5 parts, glycerine 1-2 parts, sodium pyrosulfate 2-5 parts, sodium thiosulfate 0.5-2 parts, ammonium nitrate 0.5-1
Part, phosphoric acid 3-5 parts, absolute ethyl alcohol 15-18 parts, water 50-70 parts.
Preferably, a kind of detection reagent of formaldehyde in food, including following raw materials according（In parts by weight）：4 parts of potassium metaperiodate,
2 parts of sodium hydroxide, 2 parts of petroleum ether, 3 parts of sodium sulphate, 3 parts of citric acid, 0.5 part of sodium benzoate, 4 parts of acetylacetone,2,4-pentanedione, tartaric acid 2
Part, 2 parts of glycerine, 2 parts of sodium pyrosulfate, 0.5 part of sodium thiosulfate, 0.5 part of ammonium nitrate, phosphatase 24 part, 18 parts of absolute ethyl alcohol, water
60 parts.
The beneficial effects of the invention are as follows：The detection reagent of formaldehyde in food provided by the invention, it is sensitive for formaldehyde stone flour,
Can be quickly and accurately to whether being judged in food containing formaldehyde, and accuracy rate is very high.It is provided by the present invention in addition
Reagent is easy to use, it is not necessary to sufficiently complex professional operation is carried out on laboratory and other places, is easy to promote.
Embodiment
With reference to specific embodiment, the invention will be further described：
Embodiment one
A kind of detection reagent of formaldehyde in food, including following raw materials according（In parts by weight）：5 parts of potassium metaperiodate, sodium hydroxide 2
Part, 2 parts of petroleum ether, 3 parts of sodium sulphate, 3 parts of citric acid, 0.2 part of sodium benzoate, 3 parts of acetylacetone,2,4-pentanedione, 2 parts of tartaric acid, glycerine 1
Part, 2 parts of sodium pyrosulfate, 2 parts of sodium thiosulfate, 1 part of ammonium nitrate, phosphatase 24 part, 15 parts of absolute ethyl alcohol, 55 parts of water.
Embodiment two
A kind of detection reagent of formaldehyde in food, including following raw materials according（In parts by weight）：5 parts of potassium metaperiodate, sodium hydroxide 2
Part, 3 parts of petroleum ether, 3 parts of sodium sulphate, 3 parts of citric acid, 0.3 part of sodium benzoate, 5 parts of acetylacetone,2,4-pentanedione, 2 parts of tartaric acid, glycerine 2
Part, 2 parts of sodium pyrosulfate, 1 part of sodium thiosulfate, 1 part of ammonium nitrate, phosphatase 24 part, 18 parts of absolute ethyl alcohol, 70 parts of water.
Embodiment three
A kind of detection reagent of formaldehyde in food, including following raw materials according（In parts by weight）：6 parts of potassium metaperiodate, sodium hydroxide 3
Part, 2 parts of petroleum ether, 3 parts of sodium sulphate, 2 parts of citric acid, 2 parts of sodium benzoate, 5 parts of acetylacetone,2,4-pentanedione, 2 parts of tartaric acid, 1 part of glycerine,
4 parts of sodium pyrosulfate, 1 part of sodium thiosulfate, 1 part of ammonium nitrate, phosphatase 24 part, 15 parts of absolute ethyl alcohol, 80 parts of water.
Finally it should be noted that embodiment is unrestricted to further explanation of the invention, to this area
For those of ordinary skill, further conversion can be done in the case where not departing from substantive content of the present invention, and all these changes
The protection domain of appended claims of the present invention should all be belonged to by changing.
Claims (3)
- A kind of 1. detection reagent of formaldehyde in food, it is characterised in that：The detection reagent includes following raw materials according（By weight Number）：Potassium metaperiodate 1-7 parts, sodium hydroxide 0.5-3 parts, petroleum ether 0.5-3 parts, sodium sulphate 2-5 parts, citric acid 1-5 parts, benzene first Sour sodium 0.05-2 parts, acetylacetone,2,4-pentanedione 2-7 parts, tartaric acid 1-3 parts, glycerine 0.5-3 parts, sodium pyrosulfate 2-7 parts, sodium thiosulfate 0.5-3 parts, ammonium nitrate 0.05-1 parts, phosphoric acid 2-6 parts, absolute ethyl alcohol 15-20 parts, water 30-80 parts.
- A kind of 2. detection reagent of formaldehyde in food according to claim 1, it is characterised in that：The detection reagent includes Following raw materials according（In parts by weight）：Potassium metaperiodate 2-6 parts, sodium hydroxide 1-2 parts, petroleum ether 1-3 parts, sodium sulphate 3-4 parts, lemon Sour 2-3 parts, sodium benzoate 0.1-0.5 parts, acetylacetone,2,4-pentanedione 3-6 parts, tartaric acid 2-2.5 parts, glycerine 1-2 parts, sodium pyrosulfate 2-5 Part, sodium thiosulfate 0.5-2 parts, ammonium nitrate 0.5-1 parts, phosphoric acid 3-5 parts, absolute ethyl alcohol 15-18 parts, water 50-70 parts.
- A kind of 3. detection reagent of formaldehyde in food according to claim 1, it is characterised in that：The detection reagent includes Following raw materials according（In parts by weight）：4 parts of potassium metaperiodate, 2 parts of sodium hydroxide, 2 parts of petroleum ether, 3 parts of sodium sulphate, 3 parts of citric acid, benzene 0.5 part of sodium formate, 4 parts of acetylacetone,2,4-pentanedione, 2 parts of tartaric acid, 2 parts of glycerine, 2 parts of sodium pyrosulfate, 0.5 part of sodium thiosulfate, nitric acid 0.5 part of ammonium, phosphatase 24 part, 18 parts of absolute ethyl alcohol, 60 parts of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710541893.4A CN107422085A (en) | 2017-07-04 | 2017-07-04 | A kind of detection reagent of formaldehyde in food |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710541893.4A CN107422085A (en) | 2017-07-04 | 2017-07-04 | A kind of detection reagent of formaldehyde in food |
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| CN107422085A true CN107422085A (en) | 2017-12-01 |
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| CN201710541893.4A Pending CN107422085A (en) | 2017-07-04 | 2017-07-04 | A kind of detection reagent of formaldehyde in food |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108287159A (en) * | 2018-02-08 | 2018-07-17 | 朱佳琪 | A kind of chemical reagent and preparation method thereof for formaldehyde in food detection |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4511658A (en) * | 1983-02-28 | 1985-04-16 | Kansas State University Research Foundation | Colorimetric detector for formaldehyde vapor |
| CN101718706A (en) * | 2009-12-07 | 2010-06-02 | 扬州大学 | Testing agent for implementing field fast detection of formaldehyde in air |
| CN103760152A (en) * | 2011-10-20 | 2014-04-30 | 杨晓莉 | Formaldehyde detection kit and preparation method thereof |
| CN104390970A (en) * | 2014-11-26 | 2015-03-04 | 苏州佑君环境科技有限公司 | Formaldehyde detection reagent and using method thereof |
| 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 |
| CN104931644A (en) * | 2015-06-10 | 2015-09-23 | 苏州东辰林达检测技术有限公司 | Detection reagent and method for content of formaldehyde in paint |
| 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 |
| CN105628690A (en) * | 2015-12-16 | 2016-06-01 | 无锡吉进环保科技有限公司 | Preparation method for formaldehyde test reagent |
| CN105683748A (en) * | 2013-11-13 | 2016-06-15 | 陶氏环球技术有限责任公司 | Formaldehyde test reagent |
| CN106501241A (en) * | 2016-12-19 | 2017-03-15 | 钦州市钦南区科学技术情报研究所 | A kind of formaldehyde quick detection reagent and preparation method thereof |
| CN106770925A (en) * | 2016-12-14 | 2017-05-31 | 蔡璇 | A kind of food formaldehyde quick detection reagent |
-
2017
- 2017-07-04 CN CN201710541893.4A patent/CN107422085A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4511658A (en) * | 1983-02-28 | 1985-04-16 | Kansas State University Research Foundation | Colorimetric detector for formaldehyde vapor |
| CN101718706A (en) * | 2009-12-07 | 2010-06-02 | 扬州大学 | Testing agent for implementing field fast detection of formaldehyde in air |
| CN103760152A (en) * | 2011-10-20 | 2014-04-30 | 杨晓莉 | Formaldehyde detection kit and preparation method thereof |
| CN105683748A (en) * | 2013-11-13 | 2016-06-15 | 陶氏环球技术有限责任公司 | Formaldehyde test reagent |
| CN104390970A (en) * | 2014-11-26 | 2015-03-04 | 苏州佑君环境科技有限公司 | Formaldehyde detection reagent and using method thereof |
| 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 |
| CN104931644A (en) * | 2015-06-10 | 2015-09-23 | 苏州东辰林达检测技术有限公司 | Detection reagent and method for content of formaldehyde in paint |
| 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 |
| CN105628690A (en) * | 2015-12-16 | 2016-06-01 | 无锡吉进环保科技有限公司 | Preparation method for formaldehyde test reagent |
| CN106770925A (en) * | 2016-12-14 | 2017-05-31 | 蔡璇 | A kind of food formaldehyde quick detection reagent |
| CN106501241A (en) * | 2016-12-19 | 2017-03-15 | 钦州市钦南区科学技术情报研究所 | A kind of formaldehyde quick detection reagent and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108287159A (en) * | 2018-02-08 | 2018-07-17 | 朱佳琪 | A kind of chemical reagent and preparation method thereof for formaldehyde in food detection |
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Application publication date: 20171201 |
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