METHOD OF DETERMINING TYPE OF CARTRIDGE BE USED OF FIRE-ARMS ACCORDING TO FEATURES OF DEPOSITION OF SHOT PRODUCTS IN AREA OF DAMAGES Russian patent published in 1994 - IPC

Abstract RU 2018260 C1

FIELD: forensic criminalistics. SUBSTANCE: area of damages is investigated by means of stereomicroscope. Availability of colored microparticles is measured. Then it should be determined if the particle belongs to varnished coverings of cartridges and compared with microparticles of varnish, achieved experimentally from cartridges be tested. Belonging of the microparticles to varnished overings of the cartridges is determined from dissolubility of the particles in ethanol, acetone, diphenilamine dissolved in concentrated sulfuric acid, from flash test and from testing in UV-beams or after being subjected to chemical attack. EFFECT: improved precision; improved reliability. 2 cl

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RU 2 018 260 C1

Authors

Isakov V.D.

Kalmykov K.N.

Dates

1994-08-30Published

1991-06-06Filed