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Effective technology for mass screening of liquids. AVK Lab LLC., Moscow, Russia. Urgency of liquid control. Use of dangerous liquids: petrol, acetone, nitromethane, etc. - allows to cause no less harm than use of arms or solid explosives.

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Effective technology for mass screening of liquids

Effective technology formass screening of liquids

AVK Lab LLC., Moscow, Russia


Urgency of liquid control
Urgency of liquid control

  • Use of dangerous liquids: petrol, acetone, nitromethane, etc. - allows to cause no less harm than use of arms or solid explosives.

  • 2006: Attempt of terrorist act with use of liquid explosives, interdiction of LAGs carried onboard the aircraft.Threat of liquid explosives use in air and land transport was formulated.


Urgency of liquid control

Measures assumed:

  • 2006: no technical solution for fast & reliable detection of dangerous liquids,

  • International Civil Aviation Organization (ICAO) recommendation to interdict LAGs in hand luggage

  • Others followed


What should the liquid screening technical solution be like
What should the liquid screening technical solution be like:

The equipment for detection of dangerous liquids should be:

  • Easy-to-use

  • Suitable for mass screening

  • Fast and reliable at the analysis

    The technology of liquid screening detection should provide:

  • Safety of flights

  • Comfort of passengers at checking


Liquid screening technologies existing today
Liquid screening technologies existing today:

  • Based on identification of: molecular compositions (gas analysis), density (X-Ray), optical properties (Laser optical spectroscopy), Microwave properties (microwave frequency systems)

  • Proved to be ineffective:

    • Poor detecting capability (X-ray),

    • Not applicable to hermetically sealed containers (gas analysis)

    • Applicable to limited number of types of containers (Laser optical spectroscopy and microwave frequency systems)

  • Poor performance of inspecting devices

    • High rate of false alarms.

    • Inspect limited type of containers

    • Long detection time

  • Requires special training of staff


Novel approach
Novel approach

  • Based on the fact that Flammable and explosive liquids has lower electrical conductivity and dialectical permeability compared to safe liquids

  • Uses method of Quasistatic electrical tomography for measurement of electrical and dialectical properties of liquids.

  • Designed in hand held and user friendly device


AVK Lab has developed break-through liquid screening technology based on quasistatic electrical tomography method

Operation principle

  • Alternating voltage is on active electrode.

  • Obtained signals are measured on receiver electrodes.

  • Permittivity and conductivity are calculated based on results independently on wall thickness.

  • The results are compared with a database of dangerous liquids.

  • Light and sound signals are obtained.


Lqtest robust and reliable liquid screening technical solution
LQtest technology based on quasistatic electrical tomography method – robust and reliable liquid screening technical solution

  • High speed and accuracy of the analysis,

  • Detection of a vast list of liquids,

  • Possibility to provide mass screening of containers of various forms, colors and materials

  • LQtest device will prevent carrying dangerous liquids aboard the aircraft, provide safe, comfortable for passengers, reliable and fast mass screening of liquids

    in any nonmetallic vessels,

    at any environmental conditions,

    at any level of transport congestion


T echnical performance lqtest
T technology based on quasistatic electrical tomography methodechnical performance LQtest

  • Detection time………………………………………………………0,5 sec

  • Minimum volume of liquid………………………………………50 ml

  • Wall thickness……………………………………….……up to 8mm

  • Indicators…………………………………………………..Light & sound

  • Weight…………………………………………………………………….165 g

  • Dimensions……………………………………………207×70×30 mm

  • Number of tested liquids…………………………more than 800

Acetone: dangerous

Vodka: safe

White spirit: dangerous

Shampoo: safe


Implication of lqtest technology
Implication of LQtest technology technology based on quasistatic electrical tomography method

The technology is tested more than on 800 liquids, among them: - beverages; - foodstuff; - perfumery, cosmetics; - medical drugs; - household liquids: washing-up liquids, solvents; - fuel; - liquid explosives.


Lqtest device detects as dangerous
LQtest Device Detects as technology based on quasistatic electrical tomography methodDANGEROUS:

  • Combustive-lubricating materials,oil products

  • Alcohol containing liquids (ethylene above 60%)

  • Liquid explosives and ingredients


Lqtest device defines as safe
LQtest Device Defines as technology based on quasistatic electrical tomography methodSAFE:

  • Beverages (below 60%)

  • Liquid household chemicals

  • Perfumes, cosmetics (alcohol content below 60%)


Test results on liquid explosives and ingredients
Test Results on Liquid Explosives and ingredients technology based on quasistatic electrical tomography method:

Detects as dangerous:

  • Liquid nitroethers (nitroglycol, diethyleneglycol dinitrate, iso-propylnitrate)

  • Liquid explosives (mixtures based on caoutchouk and nitroethers)

  • Nitroolefins, nitromethanes

  • Active bonding agents of solid propellants (azidoethanol, glycidyl nitrate, glycyl dinitrate, glycidylazide polymer, ternary mixture based on nitrazolefin derivatives)

  • Mixture of mineral oil, ammonium nitrate, emulsifier and water (a substrate for emulsive explosives)

  • Mononitrotoluenes

  • Halogen containing solvents, such as carbon tetrachloride, ethylene dibromide, propylene dibromide.


Lqtest can help solving a number of unaddressed actual problems
LQtest can help solving a number of unaddressed actual problems:

  • Control of baggage transportation of dangerous liquids

  • Screening and control of beverages entering the airport clean area, as well as those included in onboard meals and coming to Duty Free shops

  • Screening of dangerous liquids inside small containers (below 100 ml)


Lqtest can help solving a number of unaddressed actual problems1
LQtest can help solving a number of unaddressed actual problems:

  • The use of LQtest in the inspection practice will allow fast and reliable detection of hazardous liquids without causing inconveniences for the passengers


Lqtest 12 month of effective inspection in major russian airports
LQtest: 12+ month of effective inspection in major Russian airports

Russian airports:

Moscow, Novosibirsk, Saint-Petersburg, Sochi, Kazan and others: tens of thousands containers with liquids were inspected during 2009, 2010.


Lqtest effective security equipment for transit police
LQtest: effective security equipment for transit Police airports

  • During 2009 transit Police detected and confiscated more than 1000 liters of high-flammable liquid


Lqtest effective security equipment for police boarder control army prisons and etc
LQtest: effective security equipment for Police, Boarder control, Army, Prisons and etc.

LQtest should be used for detection of liquids:

  • found by X-Ray on check points;

  • found by police in public places;

  • found in passenger’s luggage;

  • found during special police operations;

  • taken to objects and territories under controlled access;

  • taken to cloakrooms of transport objects.


Lqtest protection of public order
LQtest: protection of public order control, Army, Prisons and etc.

LQtest effective equipment for social security police

  • Safety and security of cultural, social and sport events

  • Dangerous liquid access control

  • Quick liquid analyzer for rapid response groups andbeat officers


Avk laboratory llc moscow russia
AVK Laboratory LLC control, Army, Prisons and etc.Moscow, Russia

  • General Director: Marianna Skragan

  • Chief Commercial Officer: Daniel Shaposhnikov

  • Office: 109012, Moscow, Novaya Ploshad, 8, str. 2

  • Tel: +7 (495) 514-15-86

  • Fax: +7 (495) 937-64-25

  • E-mail: [email protected]

  • www.avklab.ru


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