CN106290348A - A kind of sulfur-bearing analyte detection reagent paper - Google Patents
A kind of sulfur-bearing analyte detection reagent paper Download PDFInfo
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- CN106290348A CN106290348A CN201610942588.1A CN201610942588A CN106290348A CN 106290348 A CN106290348 A CN 106290348A CN 201610942588 A CN201610942588 A CN 201610942588A CN 106290348 A CN106290348 A CN 106290348A
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
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- 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 sulfur-bearing analyte detection reagent paper, paper or five are spun cotton and is immersed in 8 20min in mixed solution, take out, be placed in 38 45 DEG C of baking ovens and be dried；Wherein mixed solution includes the liquor ferri trichloridi that mass concentration is 5 25% and the potassium permanganate solution that mass concentration is 1 10%.The process for preparation of mixed solution is to be mixed by the potassium permanganate of 5 25g ferric chlorides and 1 10g, adds deionized water, supplies 100g, stirs and get final product.Preparation technology of the present invention is simple and low cost, Test paper is easy to use, volume is little, lightweight, be easy to carry, the detection cycle is short, can be effectively to sulfur, sulfur-bearing food and the detection of non-sulfur-bearing food, detection process directly carries out judged result by the depth of color, highly sensitive, it is adapted to detect for sulfur-bearing field of food.
Description
Technical field
The present invention relates to technical field of food safety detection, specifically a kind of sulfur-bearing analyte detection reagent paper.
Background technology
Sulfur (sulfur) is a kind of nonmetalloid, and usual elemental sulfur is the crystal of yellow, also referred to as sulfur.Sulfur simple substance
Allotrope has a variety of, has rhombic sulfur, monoclinic sulphur and elastic sulfur etc..Element sulphur in nature with sulfide, sulfate
Or simple substance form exists.Sulfur is the important composition element of human body internal protein, significant to the vital movement of people.Sulfur master
Fertilizer to be used for, gunpowder, lubricant, insecticide and antifungal produce.Sulfur simple substance is insoluble in water, is slightly soluble in ethanol, is soluble in
Carbon bisulfide.The sulfur dioxide that sulfur and sulphur-bearing ore burning generate is combined formation sulfurous acid in atmosphere with water, and sulfurous acid is with empty
Oxygen generation combination reaction in gas generates sulphuric acid, thus causes sulfate type acid rain.For human body, natural elemental sulfur is nontoxic
Harmless, and dilute sulfuric acid, sulfate, sulfurous acid and sulphite are poisonous, sulfide generally has severe toxicity.Concentrated sulphuric acid can corrode human body
Skin.
The sulfur-bearing things such as sulfur, sulphite, low sulphite the most all can generate the real of bleaching of food products
Effective ingredient, i.e. sulfur dioxide, so this type of material is increasingly widely used in food processing process.But to food
Product carry out stove drying bleaching process, but often use excess because of sulfur, cause the sulfur content of sulphuring food to exceed regulation content, offset
The healthy and safe of expense person threatens and injures.But existing technology does not provide the product that quickly detection sulfur exists.
Summary of the invention
It is an object of the invention to provide a kind of easy to use, volume is little, lightweight, be easy to carry, the detection cycle short, clever
The sulfur-bearing analyte detection reagent paper that sensitivity is high, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of sulfur-bearing analyte detection reagent paper, spins paper or five cotton and is immersed in 8-20min in mixed solution, takes out, is placed on 38-45 DEG C of baking
Case is dried；Wherein mixed solution includes that the liquor ferri trichloridi that mass concentration is 5-25% is the Gao Meng of 1-10% with mass concentration
Acid potassium solution.
As the further scheme of the present invention: mixed solution includes liquor ferri trichloridi and the matter that mass concentration is 10-20%
Amount concentration is the potassium permanganate solution of 2-8%.
As the further scheme of the present invention: in mixed solution, solvent is deionized water.
As the further scheme of the present invention: the process for preparation of mixed solution is by the height of 5-25g ferric chloride Yu 1-10g
Potassium manganate mixes, and adds deionized water, supplies 100g, stirs and get final product.
The detection method of a kind of sulfur-bearing analyte detection reagent paper, comprises the following steps:
1) the simple process method of the sample of sulfur-bearing thing: take 1-8g measuring samples, pulverized 30-80 mesh sieve, and put into container
In, after adding the water of 15-30mL, place 20-80min；
2) detection: dip 2-5 and drip testing sample treatment fluid on sulfur-bearing analyte detection reagent paper, after 1-2min, observes reagent paper color, if
Reagent paper variable color, illustrates in detected sample containing sulfur；Detection gained reaction color is compared with standard colour chart, draws sulfur-bearing
Thing content.
As the further scheme of the present invention: the wherein manufacturing process of standard colour chart: take following variable concentrations 0.1mg/L,
0.2mg/L、0.4mg/L、0.8mg/L、1mg/L、1.5mg/L、2.0mg/L、3mg/L、5g/L、8mg/L、10mg/L、15mg/L、
The sulfur-bearing thing of 20mg/L, 25mg/L, 30mg/L, 40mg/L, detects, according to obtained with sulfur-bearing analyte detection reagent paper respectively
Reaction color forms standard colour chart.
Compared with prior art, the invention has the beneficial effects as follows:
Preparation technology of the present invention is simple and low cost, Test paper is easy to use, volume is little, lightweight, be easy to carry, detection week
Phase is short, can be effectively to sulfur, sulfur-bearing food and the detection of non-sulfur-bearing food, and detection process is directly carried out by the depth of color
Judged result, highly sensitive, it is adapted to detect for sulfur-bearing field of food.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of sulfur-bearing analyte detection reagent paper, paper or five are spun cotton and is immersed in 8min in mixed solution, take out,
It is placed in 38 DEG C of baking ovens and is dried；Wherein mixed solution includes that the liquor ferri trichloridi that mass concentration is 5% is 1% with mass concentration
Potassium permanganate solution.The process for preparation of mixed solution is to be mixed with the potassium permanganate of 1g by 5g ferric chloride, adds deionization
Water, supplies 100g, stirs and get final product.
The detection method of a kind of sulfur-bearing analyte detection reagent paper, comprises the following steps:
1) the simple process method of the sample of sulfur-bearing thing: take 1g measuring samples, pulverized 30 mesh sieves, put in container, add
After entering the water of 15mL, place 20min；
2) detection: dip 2 testing sample treatment fluids on sulfur-bearing analyte detection reagent paper, after 1min, observes reagent paper color, if reagent paper
Variable color, illustrates in detected sample containing sulfur；Detection gained reaction color is compared with standard colour chart, show that sulfur-bearing thing contains
Amount.
The wherein manufacturing process of standard colour chart: take following variable concentrations 0.1mg/L, 0.2mg/L, 0.4mg/L, 0.8mg/L,
1mg/L、1.5mg/L、2.0mg/L、3mg/L、5g/L、8mg/L、10mg/L、15mg/L、20mg/L、25mg/L、30mg/L、
The sulfur-bearing thing of 40mg/L, detects with sulfur-bearing analyte detection reagent paper respectively, forms standard colour chart according to obtained reaction color.
Embodiment 2
In the embodiment of the present invention, a kind of sulfur-bearing analyte detection reagent paper, paper or five are spun cotton and is immersed in 20min in mixed solution, take out,
It is placed in 45 DEG C of baking ovens and is dried；Wherein mixed solution includes that the liquor ferri trichloridi that mass concentration is 25% is 10% with mass concentration
Potassium permanganate solution.The process for preparation of mixed solution is to be mixed with the potassium permanganate of 10g by 25g ferric chloride, adds
Ionized water, supplies 100g, stirs and get final product.
The detection method of a kind of sulfur-bearing analyte detection reagent paper, comprises the following steps:
1) the simple process method of the sample of sulfur-bearing thing: take 8g measuring samples, pulverized 80 mesh sieves, put in container, add
After entering the water of 30mL, place 80min；
2) detection: dip 5 testing sample treatment fluids on sulfur-bearing analyte detection reagent paper, after 2min, observes reagent paper color, if reagent paper
Variable color, illustrates in detected sample containing sulfur；Detection gained reaction color is compared with standard colour chart, show that sulfur-bearing thing contains
Amount.
The wherein manufacturing process of standard colour chart: take following variable concentrations 0.1mg/L, 0.2mg/L, 0.4mg/L, 0.8mg/L,
1mg/L、1.5mg/L、2.0mg/L、3mg/L、5g/L、8mg/L、10mg/L、15mg/L、20mg/L、25mg/L、30mg/L、
The sulfur-bearing thing of 40mg/L, detects with sulfur-bearing analyte detection reagent paper respectively, forms standard colour chart according to obtained reaction color.
Embodiment 3
In the embodiment of the present invention, a kind of sulfur-bearing analyte detection reagent paper, paper or five are spun cotton and is immersed in 10min in mixed solution, take out,
It is placed in 40 DEG C of baking ovens and is dried；Wherein mixed solution includes that the liquor ferri trichloridi that mass concentration is 10% is 2% with mass concentration
Potassium permanganate solution.The process for preparation of mixed solution is to be mixed with the potassium permanganate of 2g by 10g ferric chloride, add from
Sub-water, supplies 100g, stirs and get final product.
The detection method of a kind of sulfur-bearing analyte detection reagent paper, comprises the following steps:
1) the simple process method of the sample of sulfur-bearing thing: take 2g measuring samples, pulverized 40 mesh sieves, put in container, add
After entering the water of 20mL, place 30min；
2) detection: dip 3 testing sample treatment fluids on sulfur-bearing analyte detection reagent paper, after 1min, observes reagent paper color, if reagent paper
Variable color, illustrates in detected sample containing sulfur；Detection gained reaction color is compared with standard colour chart, show that sulfur-bearing thing contains
Amount.
The wherein manufacturing process of standard colour chart: take following variable concentrations 0.1mg/L, 0.2mg/L, 0.4mg/L, 0.8mg/L,
1mg/L、1.5mg/L、2.0mg/L、3mg/L、5g/L、8mg/L、10mg/L、15mg/L、20mg/L、25mg/L、30mg/L、
The sulfur-bearing thing of 40mg/L, detects with sulfur-bearing analyte detection reagent paper respectively, forms standard colour chart according to obtained reaction color.
Embodiment 4
In the embodiment of the present invention, a kind of sulfur-bearing analyte detection reagent paper, paper or five are spun cotton and is immersed in 15min in mixed solution, take out,
It is placed in 42 DEG C of baking ovens and is dried；Wherein mixed solution includes that the liquor ferri trichloridi that mass concentration is 20% is 8% with mass concentration
Potassium permanganate solution.The process for preparation of mixed solution is to be mixed with the potassium permanganate of 8g by 20g ferric chloride, add from
Sub-water, supplies 100g, stirs and get final product.
The detection method of a kind of sulfur-bearing analyte detection reagent paper, comprises the following steps:
1) the simple process method of the sample of sulfur-bearing thing: take 6g measuring samples, pulverized 60 mesh sieves, put in container, add
After entering the water of 25mL, place 60min；
2) detection: dip 4 testing sample treatment fluids on sulfur-bearing analyte detection reagent paper, after 2min, observes reagent paper color, if reagent paper
Variable color, illustrates in detected sample containing sulfur；Detection gained reaction color is compared with standard colour chart, show that sulfur-bearing thing contains
Amount.
The wherein manufacturing process of standard colour chart: take following variable concentrations 0.1mg/L, 0.2mg/L, 0.4mg/L, 0.8mg/L,
1mg/L、1.5mg/L、2.0mg/L、3mg/L、5g/L、8mg/L、10mg/L、15mg/L、20mg/L、25mg/L、30mg/L、
The sulfur-bearing thing of 40mg/L, detects with sulfur-bearing analyte detection reagent paper respectively, forms standard colour chart according to obtained reaction color.
The concentration making standard colour chart is not limited to above-mentioned concentration, can be adjusted as required.
For confirming effect of sulfur-bearing analyte detection reagent paper of the present invention, with sulfur and sulfur-bearing sample to the most made
Test paper effect is verified.
The checking capacity experimental of sulfur-bearing analyte detection reagent paper the most of the present invention
Take 0.1g sulfur, dissolved with the water of 20mL, after 30min, dip 2 sulfur liquid dissolved on reagent paper of the present invention, see
Examine the change of reagent paper color, find reagent paper color fade.
2. the checking ability of sulfur-bearing food is measured by this invention reagent paper
According to the processing method of sulfur-bearing sample, take " sulphuring Rhizoma Zingiberis Recens " 3g, after chopping, add the water of 10mL, after placing 30min, dip 2
Drip stove drying Rhizoma Zingiberis Recens treatment fluid on reagent paper of the present invention, observe reagent paper color change, find reagent paper color fade.
The checking ability of non-sulfur-bearing food is measured by reagent paper the most of the present invention
According to the simple process method of sulfur-bearing food, take preprepared " non-sulphuring Rhizoma Zingiberis Recens " 3g, after chopping, add 10mL's
Water, places after 30min, dips 2 non-stove drying Rhizoma Zingiberis Recens treatment fluids on reagent paper of the present invention, observes the change of reagent paper color, find reagent paper
Color does not changes.
The experimental result of sulfur-bearing food is consistent with the laboratory test results of sulfur, all makes reagent paper color fade, rather than sulfur-bearing
The reagent paper of food does not fades, and illustrates that sulfur-bearing food can be detected by reagent paper of the present invention effectively.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim
Change is included in the present invention.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps
Containing an independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should
Description can also be formed those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment
May be appreciated other embodiments.
Claims (4)
1. a sulfur-bearing analyte detection reagent paper, it is characterised in that paper or five spin cotton and is immersed in 8-20min in mixed solution, takes out,
It is placed in 38-45 DEG C of baking oven and is dried；Wherein mixed solution includes liquor ferri trichloridi and the mass concentration that mass concentration is 5-25%
Potassium permanganate solution for 1-10%.
Sulfur-bearing analyte detection reagent paper the most according to claim 1, it is characterised in that mixed solution includes that mass concentration is 10-
The liquor ferri trichloridi of 20% and mass concentration are the potassium permanganate solution of 2-8%.
Sulfur-bearing analyte detection reagent paper the most according to claim 1, it is characterised in that in mixed solution, solvent is deionized water.
Sulfur-bearing analyte detection reagent paper the most according to claim 1, it is characterised in that the process for preparation of mixed solution is by 5-
25g ferric chloride mixes with the potassium permanganate of 1-10g, adds deionized water, supplies 100g, stirs and get final product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610942588.1A CN106290348A (en) | 2016-11-02 | 2016-11-02 | A kind of sulfur-bearing analyte detection reagent paper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610942588.1A CN106290348A (en) | 2016-11-02 | 2016-11-02 | A kind of sulfur-bearing analyte detection reagent paper |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872224A (en) * | 2018-07-13 | 2018-11-23 | 云南商测质量检验技术服务有限公司 | A kind of Fast Determination of Pesticide Residue ball and preparation method thereof |
| CN110031456A (en) * | 2019-04-04 | 2019-07-19 | 青岛大学 | A kind of green quickly colloidal sol method for preparing test paper of detection sulphion and its application |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201773068U (en) * | 2010-03-12 | 2011-03-23 | 韩少春 | Multivariate test paper capable of testing pesticide residues of fruits and vegetables |
| CN103926247A (en) * | 2014-05-06 | 2014-07-16 | 北京农学院 | Preparation method of sulfur-containing substance detection test paper |
-
2016
- 2016-11-02 CN CN201610942588.1A patent/CN106290348A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201773068U (en) * | 2010-03-12 | 2011-03-23 | 韩少春 | Multivariate test paper capable of testing pesticide residues of fruits and vegetables |
| CN103926247A (en) * | 2014-05-06 | 2014-07-16 | 北京农学院 | Preparation method of sulfur-containing substance detection test paper |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872224A (en) * | 2018-07-13 | 2018-11-23 | 云南商测质量检验技术服务有限公司 | A kind of Fast Determination of Pesticide Residue ball and preparation method thereof |
| CN110031456A (en) * | 2019-04-04 | 2019-07-19 | 青岛大学 | A kind of green quickly colloidal sol method for preparing test paper of detection sulphion and its application |
| CN110031456B (en) * | 2019-04-04 | 2022-01-25 | 青岛大学 | Preparation method and application of green sol test paper for rapidly detecting sulfur ions |
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Application publication date: 20170104 |