&lt;title&gt;Devices for purity checking of process liquids&lt;/title&gt;

Bilyi, Olexander I.; Getman, Vasyl B.; Ferensovich, Yaroslav P.; Shkolnyi, A. K.

doi:10.1117/12.252155

Cited by 4 publications

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“…The parameters of the pencil of light are changing during its passing through the elements of the optical system. Their value can be determined by method of ABCD-matrix at any section of the light passing [2]. The dimension of microparticles can be determined by measured the amplitude of light scattering by microparticles.…”

Section: Methods Of Assay By Microparticles In Liquid Mediummentioning

confidence: 99%

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<title>Study of microsoiling in technological mediums by method of quasi-elastic light scattering</title>

Bilyi

2003

SPIE Proceedings

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A number of methods for minimum registered quantity of photons scattered by the microparticles during its passing through the liquid medium are described. The configuration of photomultiplier amplifier to photon counting regime are described. Suggested amplifier for photon counting allowing the detection pulses with amplitude 50 mY and duration 3 msec. passing boundary of the frequency band of the amplifier exceeds 100 MHz.

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Section: Methods Of Assay By Microparticles In Liquid Mediummentioning

confidence: 99%

“…Quantity of impulses to registrated in discrete intervals n1 is flialrdti, (2) where a is the coefficient of propotionality is defined by quantum yield the first of PMT, dt1 is the time of the discrete intervals. According to equation (1) the equation (2) can be written in form n1=akl0adt1.…”

Section: Instrumental Error Are Due To Variable Of the Sourse Of Lightmentioning

confidence: 99%

<title>Study of microsoiling in technological mediums by method of quasi-elastic light scattering</title>

Bilyi

2003

SPIE Proceedings

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“…For determination of microparticles' content in liquids and aerosoles optoelectronic devices are widely used; their action is based on registration of scattered light [12,13]. Thus controlled parameters: the size and concentration of microparticles, are determined by measuring an intensity of scattered light by particles, that one by one pass stream of environment under examination in the registration area, with subsequent mathematical treatment of measurement results.…”

Section: Optical Particle Counter Of Aerosolesmentioning

confidence: 99%

Method of determination of aerosol microparticles' size distribution by iteration process

2006

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The determination algorithm of aerosol microparticles` size distribution by iteration process is described. In the described method the particle, registered by optoelectronic devices is characterized by parameters of amplitude and duration of impulse. Distribution of particles` size is determined from the measured functional dependence of number of registered particles from amplitude and duration of the proper electric impulses on the output photo-detector. Given dependence, within limits of statistical errors, is repeated when performing measurement series in the medium with identical optical parameters. It is linked by functional dependence to relative particles' fraction of different sizes, which is expressed by integral first kind Fredholm equation.

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“…In [3,5,6] the monitoring system of the receiving and processing information, and also operating interference in case of exceeding norm of contents of microparticles of a specific size on a selected technological site, which allowed monitoring contamination of deionized water with more than thirty of working points of technological process is circumscribed. As sensors the devices SKO-1, intended for monitoring of microparticles with a minimum size 0,2 microns, are used.…”

Section: Automated Monitoring System Of Micro Contaminationsmentioning

confidence: 99%

Devices for monitoring content of microparticles and bacterium in injection solutions in pharmaceutical production

Bilyi

Getman

Konyev³

et al. 2001

SPIE Proceedings

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The devices for monitoring of parameters of efficiency of water solutions filtration, which are based on the analysis of scattered light by microparticles are considered in this article. The efficiency of using of devices in pharmaceutics in technological processes of manufacturing medical injection solutions is shown. The examples of monitoring of contents of bacterial cultures Pseudomonas aeruginosa, Escherichia coli, and Micrococcus luteus in water solutions of glucose are indicated.

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<title>Devices for purity checking of process liquids</title>

Cited by 4 publications

References 0 publications

<title>Study of microsoiling in technological mediums by method of quasi-elastic light scattering</title>

<title>Study of microsoiling in technological mediums by method of quasi-elastic light scattering</title>

Method of determination of aerosol microparticles' size distribution by iteration process

Devices for monitoring content of microparticles and bacterium in injection solutions in pharmaceutical production

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