CN106370652A - Azide quick detection test paper in feed and preparation method thereof - Google Patents
Azide quick detection test paper in feed and preparation method thereof Download PDFInfo
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- CN106370652A CN106370652A CN201610951176.4A CN201610951176A CN106370652A CN 106370652 A CN106370652 A CN 106370652A CN 201610951176 A CN201610951176 A CN 201610951176A CN 106370652 A CN106370652 A CN 106370652A
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Abstract
The invention discloses an azide quick detection test paper in feed. The azide quick detection test paper in feed is composed of a developing paper sheet and a protective layer coated outside the developing paper sheet, wherein the developing paper sheet is prepared from wood pulp cellulose, polyester fibers, polypropylene fibers, regenerated cellulose fibers, polyvinyl alcohol fibers, a starch reinforcer, an adhesive, ferric chloride, a rosin size and sodium thiosulfate; and the protective layer is prepared from polyvinyl alcohol, vinyl acetate and ethanol. The invention also discloses a preparation method of the azide quick detection test paper in feed. The quick detection test paper can quickly detect the azide content in the feed, is simple to operate, does not need any professional and expensive apparatus, and is suitable for on-site quick detection.
Description
Technical field
The present invention relates to feedstuff detection technique field, azide quick detection test paper and its system in specifically a kind of feedstuff
Preparation Method.
Background technology
In recent years, in order to improve the content of crude protein in feedstuff, reap staggering profits, the method that some illegal retailers are taken from
Add carbamide, hair and leatherware, to the chemical products adding containing high content nitrogen, such as Lauxite, tripolycyanamide, or even have and mix
Increase the azide (as Hydrazoic acid,sodium salt, Azide calcium) of poison, bring serious harm to Feed Enterprise and feed safety,
So that badly influencing food safety and jeopardizing the healthy of the people.
At present, the method for detection azide mainly has spectrophotography, polarography, fluorescence spectrophotometric method and ion
Chromatography.Although above-mentioned major part method can accurately detect trace azide, operating process is complicated, needs specialty
Personnel and expensive instrument, are not suitable for the quick detection at scene and the routine use of common people family, and the market demand can be to raising
In material, azide carries out the mode of simple and fast detection.
Content of the invention
It is an object of the invention to provide azide quick detection test paper and preparation method thereof in a kind of feedstuff, to solve
The problem proposing in above-mentioned background technology.
For achieving the above object, the following technical scheme of present invention offer:
Azide quick detection test paper in a kind of feedstuff, by colour developing the scraps of paper and be coated on colour developing the scraps of paper outside protective layer group
Become；Described colour developing the scraps of paper be made up of the following raw material according to weight portion: wood pulp cellulose 45-55 part, polyester fiber 2-5 part, poly- third
Alkene fiber 1-3 part, regenerated celulose fibre 5-8 part, vinal 3-6 part, starch enhancer 2-5 part, binding agent 4-8
Part, ferric chloride 2-3 part, gum rosin 1-2 part, sodium thiosulfate 1-2 part；Described protective layer is by the following raw material according to weight portion
Composition: polyvinyl alcohol 5-7 part, vinyl acetate 1-4 part, ethanol 20-30 part.
As the further scheme of the present invention: described binding agent is acrylamide and amino resins mix than 3:1 according to weight
Conjunction forms.
As the present invention further scheme: the described colour developing scraps of paper are made up of the following raw material according to weight portion: wood pulp
Fiber 46-53 part, polyester fiber 3-4 part, polypropylene fibre 1.2-2.7 part, regenerated celulose fibre 6-7 part, polyvinyl alcohol are fine
Dimension 4-5 part, starch enhancer 3-4 part, binding agent 5-7 part, ferric chloride 2.1-2.8 part, gum rosin 1.3-1.7 part, thio sulfur
Sour sodium 1.2-1.9 part；Described protective layer is made up of the following raw material according to weight portion: polyvinyl alcohol 5.5-6.5 part, vinyl acetate
2-3 part, ethanol 22-29 part.
As the present invention further scheme: the described colour developing scraps of paper are made up of the following raw material according to weight portion: wood pulp
49 parts of fiber, 3.5 parts of polyester fiber, 1.8 parts of polypropylene fibre, 6.4 parts of regenerated celulose fibre, 5 parts of vinal, shallow lake
3.2 parts of powder reinforcing agent, 6 parts of binding agent, 2.3 parts of ferric chloride, 1.6 parts of gum rosin, 1.7 parts of sodium thiosulfate；Described protective layer
It is made up of the following raw material according to weight portion: 6.1 parts of polyvinyl alcohol, 2.3 parts of vinyl acetate, 27 parts of ethanol.
The preparation method of azide quick detection test paper in described feedstuff, step is as follows:
1) weigh polyvinyl alcohol, vinyl acetate and ethanol, after being uniformly mixed, obtain protection liquid, standby；
2) weigh wood pulp cellulose, put in beater, and add the water of wood pulp cellulose gross weight 20-25 times, making beating processes 20-
30min, obtains the first slurry；
3) weigh ferric chloride, add to the first slurry, continue making beating and process 30-40min, obtain the second slurry；
4) the second slurry is put into processor for ultrasonic wave, ultrasonic Treatment 40-50min at 60-70 DEG C, obtain the 3rd slurry
Liquid；
5) the 3rd serosity is cooled to 40-50 DEG C, weighs polyester fiber, polypropylene fibre, regenerated celulose fibre and polyethylene
Alcohol fiber, adds to the 3rd slurry, and making beating processes 30-40min, obtains the 4th slurry；
6) weigh starch enhancer, binding agent, gum rosin and sodium thiosulfate, add in the 4th slurry, continue making beating and process 1-
2h, obtains the 5th slurry；
7) the 5th slurry is put into processor for ultrasonic wave, ultrasonic Treatment 40-50min at 40-50 DEG C, obtain the 6th slurry
Liquid；
8) the 6th serosity is put into molding in net paper machine, and the filter paper of molding is dried, obtain the colour developing scraps of paper；
9), by protection liquid uniform application on the surface of the colour developing scraps of paper, after drying, that is, outside the colour developing scraps of paper, one layer of formation is complete by it
The protective layer of cladding.
Compared with prior art, the invention has the beneficial effects as follows:
1st, the quick detection test paper of present invention preparation can in quick detection feedstuff azide content, simple to operate, be not required to
Want professional and expensive instrument it is adaptable to the quick detection at scene；
2nd, the quick detection test paper of present invention preparation, in process of production, medicament required for detection is modulated in, and traditional
Rely on the detection paper soaking to compare, more preferably, stability is more preferable for Detection results, and the quick detection test paper of present invention preparation is passed through to add
Add kind of a chemical fibre, enhance the structural strength of Test paper, be hardly damaged；
3rd, the quick detection test paper of present invention preparation, forms one layer of protective layer by its cladding completely, this guarantor outside the colour developing scraps of paper
It is instant that sheath meets water, does not interfere with the normal use of Test paper, and the composition of protective layer will not with Test paper on detection
Required medicament reacts, and does not interfere with using effect, and in transport and storing process, this protective layer can make the Test paper be
Just still there is layer protecting film starvation behind Kaifeng, improve the stability of Test paper, extend it and preserve the life-span.
Specific embodiment
With reference to specific embodiment, technical scheme is described in more detail.
Embodiment 1
Azide quick detection test paper in a kind of feedstuff, by colour developing the scraps of paper and be coated on colour developing the scraps of paper outside protective layer group
Become；The described colour developing scraps of paper are made up of the following raw material according to weight portion: 45 parts of wood pulp cellulose, 2 parts of polyester fiber, polypropylene fibre
1 part, 5 parts of regenerated celulose fibre, 3 parts of vinal, 2 parts of starch enhancer, 4 parts of binding agent, 2 parts of ferric chloride, pine
1 part of balosam, 1 part of sodium thiosulfate；Described protective layer is made up of the following raw material according to weight portion: 5 parts of polyvinyl alcohol, acetic acid second
1 part of alkene, 20 parts of ethanol；Described binding agent is acrylamide and amino resins mix than 3:1 according to weight.
In the present embodiment, the preparation method of azide quick detection test paper in described feedstuff, step is as follows:
1) weigh polyvinyl alcohol, vinyl acetate and ethanol, after being uniformly mixed, obtain protection liquid, standby；
2) weigh wood pulp cellulose, put in beater, and add the water of 20 times of wood pulp cellulose gross weight, making beating processes 20min, obtains
Obtain the first slurry；
3) weigh ferric chloride, add to the first slurry, continue making beating and process 30min, obtain the second slurry；
4) the second slurry is put into processor for ultrasonic wave, ultrasonic Treatment 40min at 60 DEG C, obtain the 3rd serosity；
5) the 3rd serosity is cooled to 40 DEG C, weighs polyester fiber, polypropylene fibre, regenerated celulose fibre and polyvinyl alcohol fine
Dimension, adds to the 3rd slurry, and making beating processes 30min, obtains the 4th slurry；
6) weigh starch enhancer, binding agent, gum rosin and sodium thiosulfate, add in the 4th slurry, continue making beating and process 1h,
Obtain the 5th slurry；
7) the 5th slurry is put into processor for ultrasonic wave, ultrasonic Treatment 40min at 40 DEG C, obtain the 6th serosity；
8) the 6th serosity is put into molding in net paper machine, and the filter paper of molding is dried, obtain the colour developing scraps of paper；
9), by protection liquid uniform application on the surface of the colour developing scraps of paper, after drying, that is, outside the colour developing scraps of paper, one layer of formation is complete by it
The protective layer of cladding.
Embodiment 2
Azide quick detection test paper in a kind of feedstuff, by colour developing the scraps of paper and be coated on colour developing the scraps of paper outside protective layer group
Become；The described colour developing scraps of paper are made up of the following raw material according to weight portion: 47 parts of wood pulp cellulose, 2.5 parts of polyester fiber, polypropylene are fine
2 parts of dimension, 7 parts of regenerated celulose fibre, 6 parts of vinal, 4 parts of starch enhancer, 5.3 parts of binding agent, ferric chloride 2.4
Part, 1.5 parts of gum rosin, 1.8 parts of sodium thiosulfate；Described protective layer is made up of the following raw material according to weight portion: polyvinyl alcohol 6
Part, 2.5 parts of vinyl acetate, 26 parts of ethanol；Described binding agent is for acrylamide and amino resins mix than 3:1 according to weight
Become.
In the present embodiment, the preparation method of azide quick detection test paper in described feedstuff, step is as follows:
1) weigh polyvinyl alcohol, vinyl acetate and ethanol, after being uniformly mixed, obtain protection liquid, standby；
2) weigh wood pulp cellulose, put in beater, and add the water of 22 times of wood pulp cellulose gross weight, making beating processes 23min, obtains
Obtain the first slurry；
3) weigh ferric chloride, add to the first slurry, continue making beating and process 35min, obtain the second slurry；
4) the second slurry is put into processor for ultrasonic wave, ultrasonic Treatment 45min at 67 DEG C, obtain the 3rd serosity；
5) the 3rd serosity is cooled to 43 DEG C, weighs polyester fiber, polypropylene fibre, regenerated celulose fibre and polyvinyl alcohol fine
Dimension, adds to the 3rd slurry, and making beating processes 40min, obtains the 4th slurry；
6) weigh starch enhancer, binding agent, gum rosin and sodium thiosulfate, add in the 4th slurry, continue making beating and process
1.5h, obtains the 5th slurry；
7) the 5th slurry is put into processor for ultrasonic wave, ultrasonic Treatment 40min at 43 DEG C, obtain the 6th serosity；
8) the 6th serosity is put into molding in net paper machine, and the filter paper of molding is dried, obtain the colour developing scraps of paper；
9), by protection liquid uniform application on the surface of the colour developing scraps of paper, after drying, that is, outside the colour developing scraps of paper, one layer of formation is complete by it
The protective layer of cladding.
Embodiment 3
Azide quick detection test paper in a kind of feedstuff, by colour developing the scraps of paper and be coated on colour developing the scraps of paper outside protective layer group
Become；The described colour developing scraps of paper are made up of the following raw material according to weight portion: 49 parts of wood pulp cellulose, 3.5 parts of polyester fiber, polypropylene are fine
1.8 parts of dimension, 6.4 parts of regenerated celulose fibre, 5 parts of vinal, 3.2 parts of starch enhancer, 6 parts of binding agent, tri-chlorination
2.3 parts of ferrum, 1.6 parts of gum rosin, 1.7 parts of sodium thiosulfate；Described protective layer is made up of the following raw material according to weight portion: poly- second
6.1 parts of enol, 2.3 parts of vinyl acetate, 27 parts of ethanol；Described binding agent is acrylamide and amino resins compare 3:1 according to weight
Mix.
In the present embodiment, the preparation method of azide quick detection test paper in described feedstuff, step is as follows:
1) weigh polyvinyl alcohol, vinyl acetate and ethanol, after being uniformly mixed, obtain protection liquid, standby；
2) weigh wood pulp cellulose, put in beater, and add the water of 23 times of wood pulp cellulose gross weight, making beating processes 25min, obtains
Obtain the first slurry；
3) weigh ferric chloride, add to the first slurry, continue making beating and process 35min, obtain the second slurry；
4) the second slurry is put into processor for ultrasonic wave, ultrasonic Treatment 45min at 65 DEG C, obtain the 3rd serosity；
5) the 3rd serosity is cooled to 45 DEG C, weighs polyester fiber, polypropylene fibre, regenerated celulose fibre and polyvinyl alcohol fine
Dimension, adds to the 3rd slurry, and making beating processes 35min, obtains the 4th slurry；
6) weigh starch enhancer, binding agent, gum rosin and sodium thiosulfate, add in the 4th slurry, continue making beating and process
1.5h, obtains the 5th slurry；
7) the 5th slurry is put into processor for ultrasonic wave, ultrasonic Treatment 45min at 45 DEG C, obtain the 6th serosity；
8) the 6th serosity is put into molding in net paper machine, and the filter paper of molding is dried, obtain the colour developing scraps of paper；
9), by protection liquid uniform application on the surface of the colour developing scraps of paper, after drying, that is, outside the colour developing scraps of paper, one layer of formation is complete by it
The protective layer of cladding.
Embodiment 4
Azide quick detection test paper in a kind of feedstuff, by colour developing the scraps of paper and be coated on colour developing the scraps of paper outside protective layer group
Become；The described colour developing scraps of paper are made up of the following raw material according to weight portion: 51 parts of wood pulp cellulose, 4.3 parts of polyester fiber, polypropylene are fine
1.6 parts of dimension, 7 parts of regenerated celulose fibre, 4 parts of vinal, 2.9 parts of starch enhancer, 6.5 parts of binding agent, tri-chlorination
2.7 parts of ferrum, 1.4 parts of gum rosin, 1.5 parts of sodium thiosulfate；Described protective layer is made up of the following raw material according to weight portion: poly- second
6 parts of enol, 2.5 parts of vinyl acetate, 26 parts of ethanol；Described binding agent is acrylamide and amino resins mix than 3:1 according to weight
Conjunction forms.
In the present embodiment, the preparation method of azide quick detection test paper in described feedstuff, step is as follows:
1) weigh polyvinyl alcohol, vinyl acetate and ethanol, after being uniformly mixed, obtain protection liquid, standby；
2) weigh wood pulp cellulose, put in beater, and add the water of 24 times of wood pulp cellulose gross weight, making beating processes 26min, obtains
Obtain the first slurry；
3) weigh ferric chloride, add to the first slurry, continue making beating and process 37min, obtain the second slurry；
4) the second slurry is put into processor for ultrasonic wave, ultrasonic Treatment 50min at 65 DEG C, obtain the 3rd serosity；
5) the 3rd serosity is cooled to 50 DEG C, weighs polyester fiber, polypropylene fibre, regenerated celulose fibre and polyvinyl alcohol fine
Dimension, adds to the 3rd slurry, and making beating processes 32min, obtains the 4th slurry；
6) weigh starch enhancer, binding agent, gum rosin and sodium thiosulfate, add in the 4th slurry, continue making beating and process
1.5h, obtains the 5th slurry；
7) the 5th slurry is put into processor for ultrasonic wave, ultrasonic Treatment 50min at 45 DEG C, obtain the 6th serosity；
8) the 6th serosity is put into molding in net paper machine, and the filter paper of molding is dried, obtain the colour developing scraps of paper；
9), by protection liquid uniform application on the surface of the colour developing scraps of paper, after drying, that is, outside the colour developing scraps of paper, one layer of formation is complete by it
The protective layer of cladding.
Embodiment 5
Azide quick detection test paper in a kind of feedstuff, by colour developing the scraps of paper and be coated on colour developing the scraps of paper outside protective layer group
Become；The described colour developing scraps of paper are made up of the following raw material according to weight portion: 55 parts of wood pulp cellulose, 5 parts of polyester fiber, polypropylene fibre
3 parts, 8 parts of regenerated celulose fibre, 6 parts of vinal, 5 parts of starch enhancer, 8 parts of binding agent, 3 parts of ferric chloride, pine
2 parts of balosam, 2 parts of sodium thiosulfate；Described protective layer is made up of the following raw material according to weight portion: 7 parts of polyvinyl alcohol, acetic acid second
4 parts of alkene, 30 parts of ethanol；Described binding agent is acrylamide and amino resins mix than 3:1 according to weight.
In the present embodiment, the preparation method of azide quick detection test paper in described feedstuff, step is as follows:
1) weigh polyvinyl alcohol, vinyl acetate and ethanol, after being uniformly mixed, obtain protection liquid, standby；
2) weigh wood pulp cellulose, put in beater, and add the water of 25 times of wood pulp cellulose gross weight, making beating processes 30min, obtains
Obtain the first slurry；
3) weigh ferric chloride, add to the first slurry, continue making beating and process 40min, obtain the second slurry；
4) the second slurry is put into processor for ultrasonic wave, ultrasonic Treatment 50min at 70 DEG C, obtain the 3rd serosity；
5) the 3rd serosity is cooled to 50 DEG C, weighs polyester fiber, polypropylene fibre, regenerated celulose fibre and polyvinyl alcohol fine
Dimension, adds to the 3rd slurry, and making beating processes 40min, obtains the 4th slurry；
6) weigh starch enhancer, binding agent, gum rosin and sodium thiosulfate, add in the 4th slurry, continue making beating and process 2h,
Obtain the 5th slurry；
7) the 5th slurry is put into processor for ultrasonic wave, ultrasonic Treatment 50min at 50 DEG C, obtain the 6th serosity；
8) the 6th serosity is put into molding in net paper machine, and the filter paper of molding is dried, obtain the colour developing scraps of paper；
9), by protection liquid uniform application on the surface of the colour developing scraps of paper, after drying, that is, outside the colour developing scraps of paper, one layer of formation is complete by it
The protective layer of cladding.
During use, by testing sample Deca after treatment in this quick detection test paper, then according to quick detection
The discoloration of reagent paper and standard color comparison card are contrasted, you can know the content of the azide in testing sample.
The quick detection test paper of present invention preparation can in quick detection feedstuff azide content, simple to operate, no
Need professional and expensive instrument it is adaptable to the quick detection at scene；The quick detection test paper of present invention preparation, is producing
During, in detecting that required medicament is modulated at, compared with the detection paper of traditional dependence immersion, Detection results are more preferable, surely
Qualitative more preferable, and the quick detection test paper of present invention preparation passes through the multiple chemical fibres of interpolation, enhances the structure of Test paper
Intensity, is hardly damaged；The quick detection test paper of present invention preparation, forms one layer of protection by its cladding completely outside the colour developing scraps of paper
Layer, this protective layer meet water instant, do not interfere with the normal use of Test paper, and the composition of protective layer will not with Test paper on
Medicament needed for detection react, do not interfere with using effect, in transport and storing process, this protective layer can make detection
Even if reagent paper still has layer protecting film starvation behind Kaifeng, improve the stability of Test paper, extend its guarantor
Deposit the life-span.
Above the better embodiment of the present invention is explained in detail, but the present invention is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can also be on the premise of without departing from present inventive concept
Various changes can be made.
Claims (5)
1. in a kind of feedstuff azide quick detection test paper it is characterised in that by the colour developing scraps of paper and be coated on the colour developing scraps of paper
Outer protective layer composition；The described colour developing scraps of paper are made up of the following raw material according to weight portion: wood pulp cellulose 45-55 part, polyester are fine
Dimension 2-5 part, polypropylene fibre 1-3 part, regenerated celulose fibre 5-8 part, vinal 3-6 part, starch enhancer 2-5
Part, binding agent 4-8 part, ferric chloride 2-3 part, gum rosin 1-2 part, sodium thiosulfate 1-2 part；Described protective layer by following according to
The raw material composition of weight portion: polyvinyl alcohol 5-7 part, vinyl acetate 1-4 part, ethanol 20-30 part.
2. in feedstuff according to claim 1 azide quick detection test paper it is characterised in that described binding agent be third
Acrylamide and amino resins mix than 3:1 according to weight.
3. in feedstuff according to claim 2 azide quick detection test paper it is characterised in that the described colour developing scraps of paper by
Form according to the raw material of weight portion below: wood pulp cellulose 46-53 part, polyester fiber 3-4 part, polypropylene fibre 1.2-2.7 part, again
Raw cellulose fibre 6-7 part, vinal 4-5 part, starch enhancer 3-4 part, binding agent 5-7 part, ferric chloride 2.1-
2.8 parts, gum rosin 1.3-1.7 part, sodium thiosulfate 1.2-1.9 part；Described protective layer is by the following raw material group according to weight portion
Become: polyvinyl alcohol 5.5-6.5 part, vinyl acetate 2-3 part, ethanol 22-29 part.
4. in feedstuff according to claim 3 azide quick detection test paper it is characterised in that the described colour developing scraps of paper by
Form according to the raw material of weight portion below: 49 parts of wood pulp cellulose, 3.5 parts of polyester fiber, 1.8 parts of polypropylene fibre, regenerated fiber
6.4 parts of cellulose fiber, 5 parts of vinal, 3.2 parts of starch enhancer, 6 parts of binding agent, 2.3 parts of ferric chloride, gum rosin 1.6
Part, 1.7 parts of sodium thiosulfate；Described protective layer is made up of the following raw material according to weight portion: 6.1 parts of polyvinyl alcohol, acetic acid second
2.3 parts of alkene, 27 parts of ethanol.
5. in a kind of described feedstuff as arbitrary in claim 1-4 azide quick detection test paper preparation method, its feature
It is, step is as follows:
1) weigh polyvinyl alcohol, vinyl acetate and ethanol, after being uniformly mixed, obtain protection liquid, standby；
2) weigh wood pulp cellulose, put in beater, and add the water of wood pulp cellulose gross weight 20-25 times, making beating processes 20-
30min, obtains the first slurry；
3) weigh ferric chloride, add to the first slurry, continue making beating and process 30-40min, obtain the second slurry；
4) the second slurry is put into processor for ultrasonic wave, ultrasonic Treatment 40-50min at 60-70 DEG C, obtain the 3rd slurry
Liquid；
5) the 3rd serosity is cooled to 40-50 DEG C, weighs polyester fiber, polypropylene fibre, regenerated celulose fibre and polyethylene
Alcohol fiber, adds to the 3rd slurry, and making beating processes 30-40min, obtains the 4th slurry；
6) weigh starch enhancer, binding agent, gum rosin and sodium thiosulfate, add in the 4th slurry, continue making beating and process 1-
2h, obtains the 5th slurry；
7) the 5th slurry is put into processor for ultrasonic wave, ultrasonic Treatment 40-50min at 40-50 DEG C, obtain the 6th slurry
Liquid；
8) the 6th serosity is put into molding in net paper machine, and the filter paper of molding is dried, obtain the colour developing scraps of paper；
9), by protection liquid uniform application on the surface of the colour developing scraps of paper, after drying, that is, outside the colour developing scraps of paper, one layer of formation is complete by it
The protective layer of cladding.
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| CN107121429A (en) * | 2017-06-15 | 2017-09-01 | 公安部物证鉴定中心 | A kind of sodium azide quick detection test paper and its application |
| CN111965174A (en) * | 2020-08-12 | 2020-11-20 | 武汉普利赛斯科技有限公司 | Preparation method of gonorrhea test paper |
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Application publication date: 20170201 |