CN102816032B - Xylitol nitrate ray-level simulation explosive mimics - Google Patents
Xylitol nitrate ray-level simulation explosive mimics Download PDFInfo
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- CN102816032B CN102816032B CN201210334989.0A CN201210334989A CN102816032B CN 102816032 B CN102816032 B CN 102816032B CN 201210334989 A CN201210334989 A CN 201210334989A CN 102816032 B CN102816032 B CN 102816032B
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Abstract
The invention relates to xylitol nitrate ray-level simulation explosive mimics and belongs to the technical field of energetic materials and simulation. The xylitol nitrate ray-level simulation explosive mimics are specifically prepared by a method that glycerol, malonic acid and formamide are weighed according to the proportional relation of the mass ratio of 289:192:19, and glycerol is heated to 80 DEG C at the mixing speed of 800 rounds/minute; at the maintained constant temperature of 80 DEG C and under the mixing condition of 800 rounds/minute, malonic acid is added into glycerol, and is mixed for 30 minutes after being completely added to enable malonic acid to be completely dissolved; and at the maintained constant temperature of 80 DEG C and under the mixing condition of 800 rounds/minute, formamide is added into the mixture at the speed of 20 drops/minute, the rotating speed is regulated to 1200 rounds/minute after fromamide is completely added, mixing is continuously carried out for 30 minutes, and the solution is completely mixed uniformly, cooled to the normal temperature and discharged, so the xylitol nitrate ray-level simulation explosive mimics are obtained. The xylitol nitrate ray-level simulation explosive mimics can substitute for a xylitol nitrate simulation explosive to be used for correction of the security check instrument and other instruments, so potential safety hazards are avoided.
Description
Technical field
The present invention relates to xylitol nitrate ray-level artificial explosive simulant, belong to energetic material and imitation technology field.
Background technology
Along with terror upgrading, anti-terrorism strength is constantly strengthened, and trial of strength that is terrified and antiterrorism also will continue for some time.Airport, station, harbour and crowd concentrate the place of comparatively dense and important place to be the objects of terrorist attacks always.Thus various countries strengthen all should carrying out safety inspection to the luggage in various different path and the belongings of personnel.Whether safety check instrument recognition material is before Explosive hazardous material, needs corresponding reference.Under normal circumstances, Explosive hazardous material is in kind unsuitable directly as object of reference, mainly due to phobia at heart to explosive of the insecurity of Explosive hazardous material and people.Especially on airport, station, the safety check place such as harbour, to the periodic check of safety check instrument or demarcate more outstanding.
For xylitol nitrate, these hazardous substance are a kind of colourless transparent liquids, and explosive extremely strong and unusual unstable, slightly friction can be blasted, and in the correction of safety check instrument, adopts true explosive to carry out verifying or demarcating to have high danger.
Using x ray level stand-in as the sample judging Explosive hazardous material, three aspect emulation can be formed and distinguish Explosive hazardous material from density, ordination number, chemical element, global security staff and public security system personnel can be helped to a certain extent to reduce tester or demarcation Explosive hazardous material under the constraints such as dangerous instability as far as possible.
The stand-in of some explosives have also been prepared by the U.S., Britain and Israel, and its density is close with true thing with ordination number, but elementary composition, element percentage composition and states of matter not necessarily accord with true explosive, belong to x ray level analogue simulation thing.But up to the present, do not retrieve xylitol nitrate x ray level analogue simulation thing and related data thereof.The x ray level analogue simulation thing done in literary composition, close with true explosive in ordination number, similar density, elementary compositionly also meets substantially.
Summary of the invention
The object of the invention is to solve using xylitol nitrate hazardous substance in kind directly as the object of reference of safety check instrument identification, there is high danger, and provide there is with xylitol nitrate similar density, x ray level analogue simulation thing that ordination number, chemical element form, while guarantee safety check instrument recognition material accuracy, turn avoid and adopt the danger as object of reference in kind.
Mentality of designing of the present invention is: ray-level artificial explosive simulant mainly considers that density, ordination number, chemical element form three aspects, element percentage composition and states of matter can be different, chemical element composition can be found out by formula contained forming of each element, density can be obtained by densimeter measurement, and ordination number can be obtained by formulae discovery.First be density issue, the material with xylitol nitrate similar density to be selected when seeking formula, from the material of similar density, select the material that ordination number is close as far as possible with xylitol nitrate, ordination number is calculated by special formula, also to consider the element included by whether all containing in xylitol nitrate in filling a prescription simultaneously, consider density, ordination number and element percentage composition side relation of plane, it is consistent with true explosive in ordination number, density etc. to make every effort to stand-in.
1, the formula with stand-in similar density is sought
Consider according to the element formed in xylitol nitrate molecule, need in formula containing CHON, take into full account the factor of density, seek the material with xylitol nitrate similar density, or select solid matter to be dissolved in liquid substance to increase the density of formula, select the mixed in theory composition of micromolecular compound, by its ordination number of formulae discovery, the ordination number of its mixture should be close with xylitol nitrate.
2, simulation composition is solved with ordination number
According to the method for formula, the composition of xylitol nitrate and ordination number are calculated, as calculated, elementary composition percentage composition is more close, ordination number is more identical, just more accurate with explosive xylitol nitrate molecule, so can draw close on the close material of element percentage composition as much as possible when finding formula.
Wherein a
i=m
iz
i/ A
i, A
ithe atomic wts of element i, Z
iordination number, m
iit is virtual mass.
3, accurate measurement, premix and assembling stand-in.
It not simple mixing in process for preparation, if solid matter mixes mutually or solid-liquid mixing, then to fusing point by a part of heating materials, it is made to melt rear and other component obtained pre-composite A in advance, again the third material is added after complete dispersing and mixing is even, assemble under high-speed stirring and Elevated Temperature Conditions, some materials are then by dispersion, solve intermiscibility, organic element parcel water molecules (when mainly referring to trace water content) should be obtained as moisture, stand-in are made to have excellent intermiscibility, do not present demixing phenomenon and obtain corresponding explosive simulant.If liquid mixes mutually, direct two kinds of liquid are mutual misciblely to be assembled.
The object of the invention is to be achieved through the following technical solutions:
The formula of xylitol nitrate ray-level artificial explosive simulant of the present invention is as follows:
Formula: these stand-in are prepared from according to mass ratio 289: 192: 19 by glycerine, propanedioic acid, methane amide.
The present invention adopts the concrete preparation process of these stand-in of formula preparation as follows:
Glycerine is taken according to the proportionlity of above-mentioned formula, propanedioic acid, methane amide, under the stirring velocity of 800r/min, glycerine is warming up to 80 DEG C, then under keeping the agitation condition of 80 DEG C of constant temperature and 800r/min, propanedioic acid is added in glycerine, 3h is stirred after adding, propanedioic acid is dissolved completely, keep the agitation condition of 80 DEG C of constant temperature and 800r/min again, in mixed solution, methane amide is added with the speed of 30/min, dropwising rear adjusting rotary speed is 1200r/min, continue to be uniformly mixed 30min, solution is mixed completely, be cooled to discharging after normal temperature, xylitol nitrate ray-level artificial explosive simulant.
Beneficial effect
Xylitol nitrate stand-in prepared by the present invention, are not only consistent with true explosive on density, ordination number, and also match with true explosive in elementary composition, but its molecular structure and true explosive have the different of essence, do not blast.Thus avoid the danger that public place uses true explosive to bring, the correction that explosive carries out the instruments such as safety check instrument can be substituted, decrease some unsafe factors in use procedure, and can reuse, significant to the correction of instrument etc., and can be used for sample of imparting knowledge to students.
Embodiment
Below in conjunction with embodiment, content of the present invention is further described.
Embodiment
Formula: these stand-in are prepared from according to mass ratio 289: 192.: 19 by glycerine, propanedioic acid, methane amide;
The present invention adopts the concrete preparation process of these stand-in of formula preparation as follows:
The clean Erlenmeyer flask of 1000ml, put into magneton in order to stirring, first glycerine 289.00g is added, open and stir, regulate the speed as 800r/min, be warming up to 80 DEG C, keep 80 DEG C of constant temperature and under the agitation condition of 800r/min, add propanedioic acid 192.00g, 3h is stirred after adding, propanedioic acid is dissolved completely, then the agitation condition of 80 DEG C of constant temperature and 800r/min is kept, methane amide 19.00g is added with the speed of 30/min, dropwising rear adjusting rotary speed is 1200r/min, continue to be uniformly mixed 30min, solution is mixed completely, be cooled to discharging after normal temperature, xylitol nitrate ray-level artificial explosive simulant.As calculated, stand-in ordination number is close with DADP, records density also close, can be referred to as x ray level analogue simulation thing.
In embodiment the ordination number of xylitol nitrate x ray level analogue simulation thing and density and xylitol nitrate authentic sample Data Comparison as shown in the table
Claims (1)
1. xylitol nitrate ray-level artificial explosive simulant, is characterized in that the concrete preparation process of these stand-in is as follows:
Glycerine is taken according to the proportionlity of mass ratio 289: 192: 19, propanedioic acid, methane amide, under the stirring velocity of 800r/min, glycerine is warming up to 80 DEG C, then under keeping the agitation condition of 80 DEG C of constant temperature and 800r/min, propanedioic acid is added in glycerine, 3h is stirred after adding, propanedioic acid is dissolved completely, keep the agitation condition of 80 DEG C of constant temperature and 800r/min again, in mixed solution, methane amide is added with the speed of 30/min, dropwising rear adjusting rotary speed is 1200r/min, continue to be uniformly mixed 30min, solution is mixed completely, be cooled to discharging after normal temperature, xylitol nitrate ray-level artificial explosive simulant.
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| CN201210334989.0A CN102816032B (en) | 2012-09-11 | 2012-09-11 | Xylitol nitrate ray-level simulation explosive mimics |
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| CN201210334989.0A CN102816032B (en) | 2012-09-11 | 2012-09-11 | Xylitol nitrate ray-level simulation explosive mimics |
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| CN102816032B true CN102816032B (en) | 2015-02-25 |
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| US20220390428A1 (en) * | 2019-10-24 | 2022-12-08 | The European Union, Represented By The European Commission | Simulant composition of an explosive compound |
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| FR1164368A (en) * | 1957-01-05 | 1958-10-08 | France Etat | Process for the production of methyl nitrate and other alkyl nitrates |
| US3457329A (en) * | 1968-02-21 | 1969-07-22 | Us Navy | Inert simulant composition for a plastic bonded explosive |
| US5958299A (en) * | 1997-12-01 | 1999-09-28 | Regents Of The University Of California | Explosive simulants for testing explosive detection systems |
| CN1242982C (en) * | 2003-12-12 | 2006-02-22 | 许景峰 | Method for preparing nitrate ethoxide in ammonium nitrate group |
| CN101665434B (en) * | 2009-09-15 | 2012-09-05 | 天津大学 | Safe separation and purification method of nitrate ester |
| US8114230B1 (en) * | 2010-10-08 | 2012-02-14 | The United States Of America As Represented By The Secretary Of The Navy | Composition 4 (C-4) simulants |
| CN102565021A (en) * | 2011-12-12 | 2012-07-11 | 北京理工大学 | Method for detecting n-butyl nitrate by using laser Raman spectrum detection |
| CN102557954B (en) * | 2011-12-30 | 2013-12-04 | 北京理工大学 | Preparation method for methylnitrate |
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