CN107238562A - The infiltrative detection method of safety clothes chemical-resistant resistance - Google Patents
The infiltrative detection method of safety clothes chemical-resistant resistance Download PDFInfo
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- CN107238562A CN107238562A CN201710482318.1A CN201710482318A CN107238562A CN 107238562 A CN107238562 A CN 107238562A CN 201710482318 A CN201710482318 A CN 201710482318A CN 107238562 A CN107238562 A CN 107238562A
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- Prior art keywords
- safety clothes
- detection method
- resistant resistance
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- chemical
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
Abstract
Present invention is disclosed a kind of infiltrative detection method of safety clothes chemical-resistant resistance, including step：Extract the print of safety clothes specified location；The print is fitted into permeation unit, simulation of infiltration process is carried out；At interval of the specified time, the sample of specified quantity is gathered on the print；That detects object in sample contains allowance, and calculates permeability result.The infiltrative detection method of safety clothes chemical-resistant resistance of the present invention, compared with existing detection technique, advantages of the present invention is mainly reflected in：It is quantitative in test process by, to safety clothes progress penetration testing, adding chemicals in permeation unit, make test more accurate；By increasing sampling procedure, the cost of test is reduced, the difficulty of on-line monitoring is reduced.
Description
Technical field
The present invention relates to detection field, a kind of infiltrative detection method of safety clothes chemical-resistant resistance is related specifically to.
Background technology
Safety protective clothing is the solid guarantee of chemical industry operator's health, can effectively obstruct the infringement of chemicals,
Its quality especially key performance --- chemical-resistant resistance permeability is most important.China and some international organizations, its other country
Family has all formulated the chemical-resistant resistance permeability grading that strict laws and regulations limit safety protective clothing, it is desirable to which safety protective clothing is each
Individual part must can obstruct harmful chemicals infiltration within a certain period of time.Current protective garment assay method mainly has ASTM_
F903-03, ASTM F 739-1999, GBT 23462-2009 etc..
Current detection means is broadly divided into two classes, and a class is splash, and its shortcoming is that test process chemicals is quantified
Property it is poor, it is impossible to exactly assess safety protective clothing chemical-resistant resistance permeability；Another kind of is osmotic cell method.Its shortcoming be for
Device complex and expensive, sampled point is few, it is impossible to implement comprehensive on-line monitoring.
The content of the invention
The main object of the present invention is provides a kind of infiltrative detection method of safety clothes chemical-resistant resistance, to solve test
The problem of pro- cess chemicals are quantitative poor.
The present invention proposes a kind of infiltrative detection method of safety clothes chemical-resistant resistance, including step：
Extract the print of safety clothes specified location；
Above-mentioned print is fitted into permeation unit, simulation of infiltration process is carried out；
At interval of the specified time, the sample of specified quantity is gathered on above-mentioned print；
That detects object in sample contains allowance, and calculates permeability result.
Further, the above-mentioned infiltrative detection method of safety clothes chemical-resistant resistance, loads infiltration single in above-mentioned sample
Before step in member, in addition to step,
The above-mentioned permeation unit of correspondence is chosen according to the property of above-mentioned object.
Further, the above-mentioned infiltrative detection method of safety clothes chemical-resistant resistance, in above-mentioned carry out simulation of infiltration mistake
In the step of journey, simulation of infiltration process is carried out using nitrogen or water as medium.
Further, the above-mentioned infiltrative detection method of safety clothes chemical-resistant resistance, the purity of above-mentioned nitrogen is
99.999% or more.
Further, the above-mentioned infiltrative detection method of safety clothes chemical-resistant resistance, above-mentioned water is water grade one-level
Or more use for laboratory water.
Further, the above-mentioned infiltrative detection method of safety clothes chemical-resistant resistance, above-mentioned carry out simulation of infiltration process
The step of include,
The object real-time concentration in above-mentioned permeation unit in penetrating fluid is detected using UV detectors and PH meters.
Further, object in the above-mentioned infiltrative detection method of safety clothes chemical-resistant resistance, above-mentioned detection sample
Contain allowance, and include the step of calculate permeability result,
Utilize the above-mentioned object content in HS-GC-MS analyzers or ICP-OES analyzers detection sample.
Further, the above-mentioned infiltrative detection method of safety clothes chemical-resistant resistance, is specified in said extracted safety clothes
Before the step of print of position, in addition to；
Set up above-mentioned permeation unit model list.
Further, the above-mentioned infiltrative detection method of safety clothes chemical-resistant resistance, the above-mentioned specified time includes 3-10
Minute.
Further, the above-mentioned infiltrative detection method of safety clothes chemical-resistant resistance, above-mentioned specified quantity is 8-25 parts.
The infiltrative detection method of safety clothes chemical-resistant resistance of the present invention, compared with existing detection technique, the present invention
Advantage be mainly reflected in：By carrying out penetration testing to safety clothes in permeation unit, chemicals is added in test process
In it is quantitative, make test more accurate；By increasing sampling procedure, the cost of test is reduced, the difficulty of on-line monitoring is reduced.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the infiltrative detection method of safety clothes chemical-resistant resistance of one embodiment of the invention；
Fig. 2 is the schematic flow sheet of the infiltrative detection method of safety clothes chemical-resistant resistance of one embodiment of the invention；
Fig. 3 illustrates for the penetration curve of the infiltrative detection method of safety clothes chemical-resistant resistance of one embodiment of the invention
Figure.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
In addition, the description for being related to " first ", " second " etc. in the present invention is only used for describing purpose, and it is not intended that referring to
Show or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " are defined
At least one this feature can be expressed or be implicitly included to two " feature.In addition, the technical scheme between each embodiment can
To be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical scheme occurs
It is conflicting or when can not realize it will be understood that the combination of this technical scheme is not present, also not in the protection model of application claims
Within enclosing.
Reference picture 1, in embodiments of the present invention, the present invention provide a kind of infiltrative detection side of safety clothes chemical-resistant resistance
Method, including step：S1, the print for extracting safety clothes specified location；S2, above-mentioned print is fitted into permeation unit, permeated
Simulation process；S3, at interval of the specified time, the sample of specified quantity is gathered on above-mentioned print；Object in S4, detection sample
Contain allowance, and calculate permeability result.
Such as above-mentioned step S1, the print of safety clothes is extracted, before the print for carrying out safety clothes is extracted, typically to be passed through to upper
State safety clothes material and carry out material analysis, determine whether the material for making above-mentioned safety clothes is uniform material, when above-mentioned safety
The material of clothes is uniform material, and the print of 3 or more is respectively taken from the four limbs and trunk of above-mentioned safety clothes；When above-mentioned safety clothes
Material be non-uniform material, respectively take the print of 3 or more from each material corresponding position of above-mentioned safety clothes.
Such as above-mentioned step S2, above-mentioned print is fitted into permeation unit, simulation of infiltration process is carried out, is placed equidistant above-mentioned
In above-mentioned permeation unit, wherein, before above-mentioned print is arranged at into above-mentioned permeation unit, in addition it is also necessary to the mesh in this experiment
Mark the determination that thing carries out chemical property, when it is determined that above-mentioned object chemical property after, select corresponding above-mentioned infiltration list
Member, wherein, above-mentioned simulation of infiltration process, used medium is generally nitrogen or water, wherein, above-mentioned nitrogen is implemented in the present invention
In example, preferably high-purity nitrogen of the purity more than 99.999%, wherein, above-mentioned water in embodiments of the present invention, is preferably
Use for laboratory water of the water quality in one-level (China laboratory water national standard GB6682-2000) or more；In simulation of infiltration mistake
Cheng Zhong, in embodiments of the present invention, preferably uses UV meters and PH meters is detected in real time to the object in above-mentioned permeation unit,
Wherein, the Detection wavelength scope of above-mentioned UV detectors be 150nm-1100nm between, between preferably 190nm-900nm, its point
Rate is not 0.1nm；The Detection wavelength scope of above-mentioned PH meter is between -2-18, between preferably 0-14, its respectively rate be 0.1nm.
Table 1
Such as above-mentioned step S3, at interval of the specified time, the sample of specified quantity is gathered on above-mentioned print, in above-mentioned steps
Above-mentioned UV detectors and PH meter is persistently monitored in real time to the target concentration of above-mentioned permeation unit in S4, wherein, above-mentioned finger
Between fixing time generally 3-10 minutes, in embodiments of the present invention, preferably 4-6 minutes, wherein, in the embodiment of the present invention
In, same part safety clothes are when testing same object, and each time interval is equal, wherein, above-mentioned specified quantity is general
For 8-25 parts, in embodiments of the present invention, preferably 12-20 parts, wherein, in embodiments of the present invention, same part safety clothes exist
When testing same object, each takes sample size equal；
Such as above-mentioned step S4, object contains allowance in detection sample, and calculates permeability result, uses HS-GC-MS
(automatic headspace sample injector-gas chromatography-mass spectrum detector) analyzer or ICP-OES (inductively coupled plasma atomic emissions
Instrument) the above-mentioned sample of analyzer detection, test result is conversed into permeability, using the time as abscissa, using permeability as ordinate,
Penetration curve is obtained, to judge the penetration effectiveness of above-mentioned safety clothes, wherein, permeability result calculation formula is：
P=Ci × F/A
In above-mentioned formula, P is the permeability (μ g/cm2/min) of open cycle system, and Ci is the sample collected correspondence interval time
The concentration (μ g/ml) of contained chemical substance in product, F is the flow velocity (ml/min) for the intermediary for collecting the chemical substance containing infiltration, A
It is the surface area (cm2) contacted with infiltration chemical substance
When permeability is less than 0.1 or more than 10 μ g/cm2It is the poorly efficient of penetration curve during/min；When permeability is in 0.1-
10μg/cm2It is the efficient of penetration curve during/min.
In the present embodiment, in above-mentioned animal-derived food Multi-pesticide residues detection method, above-mentioned by sample
It is fitted into before the step in permeation unit, in addition to step,
S5, the above-mentioned permeation unit of correspondence is chosen according to the property of above-mentioned object.
Such as above-mentioned step S5, the property of above-mentioned object is confirmed, to the pH value of above-mentioned object, corrosivity, toxicity, stably
Property and physical state etc. confirmed, the above-mentioned permeation unit of correspondence is chosen according to the property of above-mentioned object, wherein, opened in test
The classification to permeation unit is carried out before beginning, the corresponding permeation unit of every kind of infiltration chemicals is carried out collecting arrangement.
In the present embodiment, in above-mentioned animal-derived food Multi-pesticide residues detection method, oozed above-mentioned
In the step of saturating simulation process, simulation of infiltration process is carried out using nitrogen or water as medium, wherein, above-mentioned nitrogen is in this hair
In bright embodiment, preferably high-purity nitrogen of the purity 99.999% or more, wherein, above-mentioned water is in the embodiment of the present invention
In, preferably use for laboratory water of the water quality in one-level (China laboratory water national standard GB6682-2000) or more.
In the present embodiment, in above-mentioned animal-derived food Multi-pesticide residues detection method, above-mentioned nitrogen it is pure
Spend for 99.999% or more.
In the present embodiment, in above-mentioned animal-derived food Multi-pesticide residues detection method, it is used above-mentioned
Water water grade is the use for laboratory water of one-level or more.
In the present embodiment, in above-mentioned animal-derived food Multi-pesticide residues detection method, it is above-mentioned to be permeated
The step of simulation process, includes,
S21, use the object real-time concentration in penetrating fluid in UV detectors and the above-mentioned permeation unit of PH meter detections.
Such as above-mentioned step S21, detect that the object in above-mentioned permeation unit in penetrating fluid is real using UV detectors and PH meters
When concentration, wherein, the Detection wavelength scopes of above-mentioned UV detectors is between 150nm-1100nm, preferably 190nm-900nm it
Between, its respectively rate be 0.1nm；The Detection wavelength scope of above-mentioned PH meter is between -2-18, between preferably 0-14, its rate respectively
For 0.1nm.
In the present embodiment, in above-mentioned animal-derived food Multi-pesticide residues detection method, above-mentioned detection sample
Middle object contains allowance, and includes the step of calculate permeability result,
S41, utilize HS-GC-MS analyzers or ICP-OES analyzers detection sample in above-mentioned object content.
Such as above-mentioned step S41, the above-mentioned object in sample is detected using HS-GC-MS analyzers or ICP-OES analyzers
Content, when above-mentioned object is gaseous state or its physical behavior is the performance of class gaseous state, preferably uses above-mentioned HS-GC-MS analyzers
As test equipment, when above-mentioned object is liquid or its physical behavior is fluid-like state performance, above-mentioned ICP-OES is preferably used
Analyzer is used as test equipment.
Wherein, the condition of work of above-mentioned HS-GC-MS analyzers is generally：
Wherein, the condition of work of above-mentioned ICP-OES analyzers is generally：
In the present embodiment, the above-mentioned infiltrative detection method of safety clothes chemical-resistant resistance, in said extracted safety clothes
Before the step of print of specified location, in addition to；
S6, set up above-mentioned permeation unit model list.
Such as above-mentioned step S6, above-mentioned permeation unit model list is set up, according to the physics and chemical property of different target thing,
Pre- corresponding different permeation units are set up, and the different permeation unit is compiled into out model list, and the control that typing is specified
Terminal processed.
In the present embodiment, in above-mentioned animal-derived food Multi-pesticide residues detection method, the above-mentioned specified time
Between 3-10 minutes, in embodiments of the present invention, preferably 4-6 minutes, wherein, in embodiments of the present invention, same part
Safety clothes are when testing same object, and each time interval is equal.
In the present embodiment, in above-mentioned animal-derived food Multi-pesticide residues detection method, above-mentioned specified quantity
For 8-25 parts, in embodiments of the present invention, preferably 12-20 parts；Wherein, in embodiments of the present invention, same part safety clothes exist
When testing same object, each takes sample size equal.
The present invention is low to operating personnel's technical requirements, reduces cost of labor and reduction labor intensity of operating staff；Use top
Empty injector, direct injected solves interference of the saturated medium for test substance；Whole process of osmosis is monitored, adopted
Sampling point selection is flexible, realizes raising accuracy rate and analysis test quality.
In one embodiment, organic compound is carried out by HS-GC-MS and permeates situation analysis, entered by ICP-OES
The infiltration situation analysis of row inorganic compound obtains result.
Instrument parameter condition is as follows：
Table 2
Table 3
Table 4
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, be included within the scope of the present invention.
Claims (10)
1. a kind of infiltrative detection method of safety clothes chemical-resistant resistance, it is characterised in that including step：
Extract the print of safety clothes specified location；
The print is fitted into permeation unit, simulation of infiltration process is carried out；
At interval of the specified time, the sample of specified quantity is gathered on the print；
That detects object in sample contains allowance, and calculates permeability result.
2. the infiltrative detection method of safety clothes chemical-resistant resistance according to claim 1, it is characterised in that in the sample
Product are fitted into before the step in permeation unit, in addition to step,
The correspondence permeation unit is chosen according to the property of the object.
3. the infiltrative detection method of safety clothes chemical-resistant resistance according to claim 1, it is characterised in that it is described enter
In the step of row simulation of infiltration process, simulation of infiltration process is carried out using nitrogen or water as medium.
4. the infiltrative detection method of safety clothes chemical-resistant resistance according to claim 3, it is characterised in that the nitrogen
Purity be 99.999% or more.
5. the infiltrative detection method of safety clothes chemical-resistant resistance according to claim 3, it is characterised in that the water is
The use for laboratory water of water grade one-level or more.
6. the infiltrative detection method of safety clothes chemical-resistant resistance according to claim 1, it is characterised in that the progress
The step of simulation of infiltration process, includes,
The object real-time concentration in the permeation unit in penetrating fluid is detected using UV detectors and PH meters.
7. the infiltrative detection method of safety clothes chemical-resistant resistance according to claim 1, it is characterised in that the detection
Object contains allowance in sample, and includes the step of calculate permeability result,
Utilize the object content in HS-GC-MS analyzers or ICP-OES analyzers detection sample.
8. the infiltrative detection method of safety clothes chemical-resistant resistance according to claim 1, it is characterised in that carried described
Before the step of taking the print of safety clothes specified location, in addition to；
Set up the permeation unit model list.
9. the infiltrative detection method of safety clothes chemical-resistant resistance according to claim 1-8 any one, its feature exists
In the specified time includes 3-10 minutes.
10. the infiltrative detection method of safety clothes chemical-resistant resistance according to claim 1-8 any one, its feature exists
In the specified quantity is 8-25 parts.
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Cited By (4)
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| CN109682723A (en) * | 2018-11-09 | 2019-04-26 | 中国农业大学 | A kind of fast appraisement method of agricultural chemicals formula |
| CN110618074A (en) * | 2019-09-19 | 2019-12-27 | 东华大学 | Pneumatic fluctuation type double-chamber fabric bulging and air-tightness synchronous measurement device and method |
| CN110618076A (en) * | 2019-09-19 | 2019-12-27 | 东华大学 | Double-cylinder axial moving bulging type fabric air-lock and air-filtration performance measuring device and method |
| CN110618077A (en) * | 2019-09-19 | 2019-12-27 | 东华大学 | Device and method for measuring dynamic air filtering and isolating efficiency of fabric and application |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110618074A (en) * | 2019-09-19 | 2019-12-27 | 东华大学 | Pneumatic fluctuation type double-chamber fabric bulging and air-tightness synchronous measurement device and method |
| CN110618076A (en) * | 2019-09-19 | 2019-12-27 | 东华大学 | Double-cylinder axial moving bulging type fabric air-lock and air-filtration performance measuring device and method |
| CN110618077A (en) * | 2019-09-19 | 2019-12-27 | 东华大学 | Device and method for measuring dynamic air filtering and isolating efficiency of fabric and application |
| CN110618077B (en) * | 2019-09-19 | 2021-12-10 | 东华大学 | Device and method for measuring dynamic air filtering and isolating efficiency of fabric and application |
| CN110618074B (en) * | 2019-09-19 | 2022-07-15 | 东华大学 | Pneumatic wave type double-chamber fabric bulging and air-tightness synchronous measurement device and method |
| CN110618076B (en) * | 2019-09-19 | 2022-07-15 | 东华大学 | Double-cylinder axial moving bulging type fabric air-lock and air-filtration performance measuring device and method |
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