{"id":2956,"date":"2020-12-17T07:50:59","date_gmt":"2020-12-17T06:50:59","guid":{"rendered":"http:\/\/www.e-rihs.it\/?page_id=2956"},"modified":"2024-05-07T12:10:33","modified_gmt":"2024-05-07T11:10:33","slug":"xrf-2","status":"publish","type":"page","link":"https:\/\/www.e-rihs.it\/en\/xrf-2\/","title":{"rendered":"XRF"},"content":{"rendered":"

[et_pb_section fb_built=”1″ _builder_version=”4.7.7″ _module_preset=”default”][et_pb_row column_structure=”2_5,3_5″ _builder_version=”4.7.7″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″][et_pb_column type=”2_5″ _builder_version=”4.7.7″ _module_preset=”default”][et_pb_image src=”http:\/\/www.e-rihs.it\/wp-content\/uploads\/2022\/03\/XRF.jpg” title_text=”XRF” _builder_version=”4.7.7″ _module_preset=”default”][\/et_pb_image][\/et_pb_column][et_pb_column type=”3_5″ _builder_version=”4.7.7″ _module_preset=”default”][et_pb_text _builder_version=”4.7.7″ _module_preset=”default”]<\/p>\n

LABORATORIO: CNR SCITEC<\/strong><\/p>\n

 <\/p>\n

NOME STRUMENTO<\/strong><\/p>\n

Strumento XRF portatile XGLab ELIO<\/span><\/p>\n

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INFORMAZIONI GENERALI<\/strong><\/p>\n

Il nuovo strumento XRF portatile disponibile nel MOLAB \u00e8 progettato per analisi in situ essendo estremamente maneggevole, veloce e completamente non invasivo. La tecnica XRF permette la determinazione della composizione elementale (Z>12) dei materiali, ed il suo utilizzo \u00e8 di grande interesse nel campo dei beni culturali per l’analisi di dipinti, manoscritti, monumenti, metalli etc.<\/p>\n

L’informazione ottenuta \u00e8 utile per formulare prime ipotesi riguardo l’identificazione dei pigmenti inorganici presenti, evidenziando anche la presenza di pentimenti<\/em>, ritocchi etc.<\/p>\n

 <\/p>\n

DETTAGLI TECNICI<\/strong><\/p>\n

Lo strumento XRF portatile ELIO \u00e8 dotato di un rivelatore di tipo Silicon Drift Detector (SDD) con un’area attiva di 25mm2<\/sup> e una risoluzione in energia alla riga K\u03b1 del Mn di 130 eV con 10 kcps di fotoni in ingresso (modalit\u00e0 di alta risoluzione), o di 170 eV con 200 kcps di fotoni in ingresso (modalit\u00e0 veloce). Lo strumento \u00e8 dotato di un analizzatore multicanale (MCA) ad 8k canali molto veloce (USB 2.0) caratterizzato da alta risoluzione ed elevata capacit\u00e0 di conteggio. La sorgente di eccitazione \u00e8 un tubo a raggi X a trasmissione dotato di un anodo di Rh, con una corrente tra i 5 e i 200 \u00b5A, un voltaggio che pu\u00f2 andare da 10 a 40 kV, e collimatore di 1mm. ELIO \u00e8 inoltre dotato di due puntatori laser (assiale e focale) e una micro-camera interna che permette la messa a fuoco della regione specifica di analisi. Il prototipo \u00e8 inoltre provvisto di cavalletto regolabile in altezza (43- 188cm).<\/p>\n

 <\/p>\n

Referente:<\/p>\n

Laura Cartechini laura.cartechini@scitec.cnr.it<\/a><\/p>\n

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Scarica la scheda completa<\/a><\/p>\n

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[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"

LABORATORIO: CNR SCITEC   NOME STRUMENTO Strumento XRF portatile XGLab ELIO   INFORMAZIONI GENERALI Il nuovo strumento XRF portatile disponibile […]<\/p>\n","protected":false},"author":17,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-2956","page","type-page","status-publish"],"yoast_head":"\nXRF | E-RIHS.it<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.e-rihs.it\/en\/xrf-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"XRF | E-RIHS.it\" \/>\n<meta property=\"og:description\" content=\"LABORATORIO: CNR SCITEC   NOME STRUMENTO Strumento XRF portatile XGLab ELIO   INFORMAZIONI GENERALI 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