POTENTIOMETRIC SENSOR BASED ON PORPHYRIN IONOPHORE WITH HIGH SELECTIVITY TO SILVER
The invention relates to a potentiometric sensor for measuring the concentration of silver in liquid samples of various origins and to a process for carrying out the same. According to the invention, the sensor has a body () provided with a lid () and at the opposite end of the lid () there is a con...
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| creator | FAGADAR-COSMA EUGENIA-LENU A COSMA VIORICA OLENIC LILIANA BIZEREA OTILIA PIC ELENA MARIA VLASCICI DANA COSTI OR OTILIA |
| description | The invention relates to a potentiometric sensor for measuring the concentration of silver in liquid samples of various origins and to a process for carrying out the same. According to the invention, the sensor has a body () provided with a lid () and at the opposite end of the lid () there is a conductive copper support () which is attached to the body () with epoxy resin and on one face of the support () there is attached a central wire () of the connection cable, while on the other face of the support () there is formed a membrane (), selective to Ag, made of polyvinyl chloride (PVC), plastified with diethylhexyl sebacate (DOS), wherein there is included a composition which contains an ionophore, namely 5,10,15,20-tetrakis-(3-hydroxyphenyl) porphyrine and a lipophilic additive, tetrakis(4-chlorophenyl) potassium borate, the mass ratio PVC:porphyrine:DOS:additive being 33:2:66:1.
Invenţia se referă la un senzor potenţiometric pentru măsurarea concentraţiei de argint din probe lichide, de provenienţă diferită, şi la un procedeu de realizare a acestuia. Senzorul conform invenţiei are un corp () prevăzut cu un capac () şi, la capătul opus capacului (), este un suport () conductiv, din cupru, care este lipit de corpul (), cu răşină epoxidică, iar pe una dintre feţele suportului () este lipit un fir () central al cablului de conexiune, şi pe cealaltă faţă a suportului () este formată o membrană () selectivă la Ag, din policlorură de vinil (PVC), plastifiată cu dietilhexilsebacat (DOS), în care este înglobată o compoziţie care conţine un ionofor, şi anume, 5,10,15,20-tetrakis-(3-hidroxifenil)porfirina, şi un aditiv lipofilic, tetrakis(4-clorofenil)borat de potasiu, raportul de masă PVC:porfirină:DOS:aditiv fiind de 33:2:66:1. |
| format | Patent |
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Invenţia se referă la un senzor potenţiometric pentru măsurarea concentraţiei de argint din probe lichide, de provenienţă diferită, şi la un procedeu de realizare a acestuia. Senzorul conform invenţiei are un corp () prevăzut cu un capac () şi, la capătul opus capacului (), este un suport () conductiv, din cupru, care este lipit de corpul (), cu răşină epoxidică, iar pe una dintre feţele suportului () este lipit un fir () central al cablului de conexiune, şi pe cealaltă faţă a suportului () este formată o membrană () selectivă la Ag, din policlorură de vinil (PVC), plastifiată cu dietilhexilsebacat (DOS), în care este înglobată o compoziţie care conţine un ionofor, şi anume, 5,10,15,20-tetrakis-(3-hidroxifenil)porfirina, şi un aditiv lipofilic, tetrakis(4-clorofenil)borat de potasiu, raportul de masă PVC:porfirină:DOS:aditiv fiind de 33:2:66:1.</description><language>eng ; rum</language><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASURING ; PHYSICS ; TESTING</subject><creationdate>2012</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120530&DB=EPODOC&CC=RO&NR=123447B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120530&DB=EPODOC&CC=RO&NR=123447B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FAGADAR-COSMA EUGENIA-LENU A</creatorcontrib><creatorcontrib>COSMA VIORICA</creatorcontrib><creatorcontrib>OLENIC LILIANA</creatorcontrib><creatorcontrib>BIZEREA OTILIA</creatorcontrib><creatorcontrib>PIC ELENA MARIA</creatorcontrib><creatorcontrib>VLASCICI DANA</creatorcontrib><creatorcontrib>COSTI OR OTILIA</creatorcontrib><title>POTENTIOMETRIC SENSOR BASED ON PORPHYRIN IONOPHORE WITH HIGH SELECTIVITY TO SILVER</title><description>The invention relates to a potentiometric sensor for measuring the concentration of silver in liquid samples of various origins and to a process for carrying out the same. According to the invention, the sensor has a body () provided with a lid () and at the opposite end of the lid () there is a conductive copper support () which is attached to the body () with epoxy resin and on one face of the support () there is attached a central wire () of the connection cable, while on the other face of the support () there is formed a membrane (), selective to Ag, made of polyvinyl chloride (PVC), plastified with diethylhexyl sebacate (DOS), wherein there is included a composition which contains an ionophore, namely 5,10,15,20-tetrakis-(3-hydroxyphenyl) porphyrine and a lipophilic additive, tetrakis(4-chlorophenyl) potassium borate, the mass ratio PVC:porphyrine:DOS:additive being 33:2:66:1.
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Invenţia se referă la un senzor potenţiometric pentru măsurarea concentraţiei de argint din probe lichide, de provenienţă diferită, şi la un procedeu de realizare a acestuia. Senzorul conform invenţiei are un corp () prevăzut cu un capac () şi, la capătul opus capacului (), este un suport () conductiv, din cupru, care este lipit de corpul (), cu răşină epoxidică, iar pe una dintre feţele suportului () este lipit un fir () central al cablului de conexiune, şi pe cealaltă faţă a suportului () este formată o membrană () selectivă la Ag, din policlorură de vinil (PVC), plastifiată cu dietilhexilsebacat (DOS), în care este înglobată o compoziţie care conţine un ionofor, şi anume, 5,10,15,20-tetrakis-(3-hidroxifenil)porfirina, şi un aditiv lipofilic, tetrakis(4-clorofenil)borat de potasiu, raportul de masă PVC:porfirină:DOS:aditiv fiind de 33:2:66:1.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | POTENTIOMETRIC SENSOR BASED ON PORPHYRIN IONOPHORE WITH HIGH SELECTIVITY TO SILVER |
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