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Simion Sorin

1 linked publication records · Institute for Research and Development; Institutul Naţional de Cercetare-Dezvoltare pentru Securitate Minieră şi Protecţie Antiexplozivă - INSEMEX

Author: Simion SorinYear: 2023clear all
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SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 23rd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2023, Ecology, Economics, Education and Legislation, Vol. 23, Issue 5.1
Publication

MONITORING THE QUALITY OF GROUNDWATER SAMPLES BEFORE AND AFTER RETROFITTING A CHROME-PLATING PLANT THAT CARRIED OUT THE TRANSITION FROM CR6+ TO CR3+

(STEF92 Technology, 2023-10-01, Marius Kovacs, Simion Sorin, Lorand Toth, Andrei Gireadă)

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Since ancient times, chromium oxide was used 2000 years ago by the Chinese to cover the tips of weapons and later, as late as 1988, hexavalent chromium was discovered to be dangerous to humans. Currently, many companies carry out chrome plating of plastic parts, which consists in creating a superficial layer of diffusion, of an iron-chromium alloy with up to 10 - 20% chromium. Coating by electrolytic deposition is the most widely used method for creating protective layers for plastic materials and consists in elec...

Ecology and Environmental Protection2023
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