{"id":6823,"date":"2015-09-17T08:00:02","date_gmt":"2015-09-17T05:00:02","guid":{"rendered":"http:\/\/blog.erm.ee\/?p=6823"},"modified":"2015-10-02T15:14:59","modified_gmt":"2015-10-02T12:14:59","slug":"oddy-test-materjalide-keemilise-ohutuse-indikaator","status":"publish","type":"post","link":"https:\/\/blog.erm.ee\/?p=6823","title":{"rendered":"Oddy test \u2013 materjalide keemilise ohutuse indikaator"},"content":{"rendered":"<div class=\"fcbkbttn_buttons_block\" id=\"fcbkbttn_left\"><div class=\"fcbkbttn_like \"><fb:like href=\"https:\/\/blog.erm.ee\/?p=6823\" action=\"like\" colorscheme=\"light\" layout=\"standard\"  width=\"225px\" size=\"small\"><\/fb:like><\/div><div class=\"fb-share-button  \" data-href=\"https:\/\/blog.erm.ee\/?p=6823\" data-type=\"button\" data-size=\"small\"><\/div><\/div><p>&nbsp;<\/p>\n<p><em>Tekst: Karoliine Korol, konservaator<br \/>\nTesti teostasid konservaatorid \u00dclle Vahar ja Karoliine Korol<br \/>\n<\/em><\/p>\n<p style=\"text-align: justify;\">2016. aasta s\u00fcgisel avatav Eesti Rahva Muuseumi uus p\u00fcsin\u00e4itus saab t\u00e4iesti uue n\u00e4o. Arhitektuurib\u00fcroo 3+1 ja Disainib\u00fcroo Velvet visiooni p\u00f5hjal luuakse seinte \u00e4\u00e4res paiknevate kapp-t\u00fc\u00fcpi vitriinide k\u00f5rvale mitmesuguseid p\u00f5nevaid lahendusi, n\u00e4iteks silindrikujulised \u00fcmberringi vaadeldavad vitriinid (vt foto 1). Kuna aga vitriinidesse asetatavad esemed on ERMi museaalide seast v\u00e4lja valitud \u201esuperstaarid\u201c, tuleb j\u00e4lgida, et k\u00f5ik nende erisoovid ja vajadused oleksid rahuldatud (ja seda 15 aastaks!).<\/p>\n<p><a href=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/vitriin.jpg\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"6850\" data-permalink=\"https:\/\/blog.erm.ee\/?attachment_id=6850#main\" data-orig-file=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/vitriin.jpg\" data-orig-size=\"1200,990\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"vitriin\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/vitriin-1024x845.jpg\" class=\"alignnone size-large wp-image-6850\" src=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/vitriin-1024x845.jpg\" alt=\"vitriin\" width=\"700\" height=\"578\" srcset=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/vitriin-1024x845.jpg 1024w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/vitriin-315x260.jpg 315w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/vitriin-300x248.jpg 300w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/vitriin.jpg 1200w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em><strong>Foto 1<\/strong>: Silindrikujulise vitriini kavand uuteks p\u00fcsin\u00e4itusteks.<\/em><\/p>\n<p style=\"text-align: justify;\">Oluline on hoida esemetele sobivat v\u00f5imalikult stabiilset temperatuuri ja \u00f5huniiskust, valida sobiv valguskogus ning tagada vitriinisisene puhas \u00f5hk. Viimase all pean silmas seda, et suletud mikrokeskkonda ei tohi aja jooksul koguneda museaale kahjustavaid \u00fchendeid. Kahjulikke \u00fchendeid v\u00f5ivad eritada mitmed materjalid. N\u00e4iteks ei tohi ekspositsioonisaalides kasutada p\u00f5randate katmiseks villaseid vaipu, kuna villast eralduvad lenduvad v\u00e4\u00e4vli\u00fchendid, mis kahjustavad h\u00f5bedat, vaske ja plastikuid. Puit ning puitu sisaldavad plaadid eritavad aga orgaanilisi happeid, mis korrodeerivad samuti metalle ja kahjustavad veel n\u00e4iteks siidi, paberit ja keraamikat. Seega tuleb vitriinide valmistamiseks kasutatavad materjalid valida v\u00e4ga hoolikalt, et need pikka aega suletud keskkonnas viibivaid tundlikke eksponaate kahjustama ei hakkaks.<br \/>\nMuuseumi konservaatori \u00fclesanne on tagada museaalide v\u00f5imalikult pikaaegne s\u00e4ilimine. Uute p\u00fcsin\u00e4ituste vitriinide valmistamiseks planeeritud materjalidega tutvumine k\u00e4ivitas aga ohtu kuulutava alarmi. Mullpol\u00fcst\u00fcreen (EPS), alk\u00fc\u00fcdv\u00e4rvid, SM-pol\u00fcmeere sisaldavad hermeetikud, MDF-plaadid, vineer \u2013 k\u00f5ik nimetatud materjalid eritavad kahjulikke \u00fchendeid. Selleks, et meie hoiatavad laused omaksid tugevamat m\u00f5ju kui pelgalt s\u00f5naj\u00f5ud, oli tarvis teha katseid, mis t\u00f5estaksid nimetatud materjalide kahjulikkust. Sobivaks meetodiks osutus Oddy test. Kokkuv\u00f5tvalt \u00f6elduna n\u00e4itab see tundlike metallkupongide korrodeeruvust testmaterjalide kiirendatud vanandamise k\u00e4igus tekkivate erinevate lagu\u00fchendite m\u00f5jul, peegeldades antud juhul neist materjalidest vitriinide ohtlikkust v\u00f5i ohutust eksponaatidele.<\/p>\n<p><strong>Oddy testist l\u00e4hemalt<\/strong><\/p>\n<p style=\"text-align: justify;\">Oddy testiks nimetatakse katset, mille t\u00f6\u00f6tas 1973. aastal v\u00e4lja Briti Muuseumi konserveerimisteadlane Andrew Oddy. Aja jooksul erinevate konserveerimisteadlaste poolt pisut t\u00e4iustatuna on see test Briti Muuseumis kasutusel t\u00e4naseni. Oddy testi puhul kasutatakse kahjulike \u00fchendite tuvastamiseks puhtaid, k\u00f5rge metallisisaldusega vase-, h\u00f5beda- ja pliikuponge, mille korrodeerumine viitab erinevatele vanandamiskatsel tekkivatele \u00fchenditele. Vase korrosioon viitab kloriididele, oksiididele, v\u00e4\u00e4vli\u00fchenditele, h\u00f5beda korrosioon v\u00e4\u00e4vli\u00fchenditele ja plii kahjustumine hapetele (sh orgaanilistele) ning aldeh\u00fc\u00fcdidele.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/1280px-Oddy-test-color.jpg\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"6840\" data-permalink=\"https:\/\/blog.erm.ee\/?attachment_id=6840#main\" data-orig-file=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/1280px-Oddy-test-color.jpg\" data-orig-size=\"1200,969\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"1280px-Oddy-test-color\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/1280px-Oddy-test-color-1024x827.jpg\" class=\" wp-image-6840 alignleft\" src=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/1280px-Oddy-test-color-1024x827.jpg\" alt=\"1280px-Oddy-test-color\" width=\"328\" height=\"326\" \/><\/a><\/p>\n<p style=\"text-align: justify;\"><em><strong>Joonis 1<\/strong>: Joonisel on kujutatud Oddy katset klaaspurgis. Tegemist on 3-in-1 s\u00fcsteemiga, kuid testi v\u00f5ib teha ka metallilehti eraldi kasutades. Samuti v\u00f5ib anumaks kasutada katseklaasi, mis suletakse silikoonpunniga. Oluline on, et anum oleks suletud \u00f5hutihedalt. Selleks, et luua v\u00e4ga k\u00f5rge \u00f5huniiskusega keskkond, lisatakse anumasse destilleeritud vett. (Foto: https:\/\/en.wikipedia.org\/wiki\/Oddy_test)<\/em><\/p>\n<p style=\"text-align: justify;\">Oddy kasutas algselt metallilehti eraldi anumates eri katsete tegemisel. Alates 2003. aastast kasutatakse Briti Muuseumis n-\u00f6 3-in-1 meetodit, kus \u00f5hukindlalt suletavasse katseanumasse paigutatakse \u00fches testitava materjali ning v\u00e4ikese koguse veega k\u00f5ik kolm metallkupongi. Anum asetatakse kuivatuskappi 60\u00b0C juurde 28 p\u00e4evaks. P\u00e4rast katse l\u00f5ppu j\u00e4\u00e4dvustatakse metallkupongidele tekkinud korrosioonikiht, m\u00e4\u00e4ratakse selle ulatus ning selle j\u00e4rgi hinnatakse testitav materjal kas kasutamiseks sobivaks, ajutiseks kasutamiseks sobivaks (kuni kuus kuud) v\u00f5i kasutamiseks mittesobivaks. Kuigi Oddy test ei anna t\u00e4pset vastust, missuguseid \u00fchendeid ja mis koguses konkreetselt eraldub, annab see siiski aimu, kas testitav materjal eritab kahjulikke \u00fchendeid v\u00f5i mitte.<\/p>\n<p><strong>ERMi esimene Oddy<\/strong><\/p>\n<p style=\"text-align: justify;\">Ma ei ole kindel, kas keegi varem Eestis Oddy testi teinud on, kuid v\u00f5in julgelt v\u00e4ita, et ERMis pole seda varem toimunud. Katse l\u00e4biviimiseks ajasime Briti Muuseumi v\u00e4lja antud metoodikas n\u00e4puga j\u00e4rge. Esmapilgul v\u00e4ga detailse juhendi p\u00f5hjal praktiseerimine vajas siiski m\u00f5ningast omapoolset modifitseerimist. N\u00e4iteks metallrest, millega katseklaasid kuivatuskappi asetada, tuli meil endil k\u00e4ep\u00e4rastest vahenditest monteerida (vt foto 2). Ka materjalide ja vahendite tellimine v\u00e4lismaalt kujunes k\u00fcllalt keeruliseks, eriti pliilehe, kuna tegemist on m\u00fcrgise metalliga (vt foto 3).<\/p>\n<p><a href=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0011.jpg\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"6841\" data-permalink=\"https:\/\/blog.erm.ee\/?attachment_id=6841#main\" data-orig-file=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0011.jpg\" data-orig-size=\"1200,801\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1437052240&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"ak0011\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0011-1024x684.jpg\" class=\"alignnone size-large wp-image-6841\" src=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0011-1024x684.jpg\" alt=\"ak0011\" width=\"700\" height=\"468\" srcset=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0011-1024x684.jpg 1024w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0011-390x260.jpg 390w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0011-300x200.jpg 300w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0011.jpg 1200w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em><strong>Foto 2<\/strong>: K\u00fcpsetusplaadist, pesukorvist ja silikoonist \u0161okolaadivormist monteeritud rest. (foto A. Karm)<\/em><\/p>\n<p><a href=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0111.jpg\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"6845\" data-permalink=\"https:\/\/blog.erm.ee\/?attachment_id=6845#main\" data-orig-file=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0111.jpg\" data-orig-size=\"1200,801\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1437056730&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"ak0111\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0111-1024x684.jpg\" class=\"alignnone size-large wp-image-6845\" src=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0111-1024x684.jpg\" alt=\"ak0111\" width=\"700\" height=\"468\" srcset=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0111-1024x684.jpg 1024w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0111-390x260.jpg 390w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0111-300x200.jpg 300w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0111.jpg 1200w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em><strong>Foto 3<\/strong>: Katseks ettevalmistatud metallkupongid \u2013 ees plii, taamal h\u00f5be ja vask. (foto A. Karm)<\/em><\/p>\n<p style=\"text-align: justify;\">Testimiseks kogusime proovid uue p\u00fcsin\u00e4ituse seinavitriinide n\u00e4idise konstruktsiooniks kasutatud MDF-plaadist, selle kattev\u00e4rvist, EPS-plaadist ja selle kattematerjalidest (hermeetik, kruntv\u00e4rv, kattev\u00e4rv). Katsed viisime l\u00e4bi ka n-\u00f6 alternatiivmaterjalidega, mida v\u00f5iks kasutada juhul kui planeeritud materjalid t\u00f5epoolest sobimatuteks osutuvad. Sellisteks materjalideks valisime klaasfiiberplaadi (EPO-vaik), vesialuselise seinav\u00e4rvi ja vesialuselise hermeetiku (vt foto 4).<\/p>\n<p><a href=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2704.jpg\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"6847\" data-permalink=\"https:\/\/blog.erm.ee\/?attachment_id=6847#main\" data-orig-file=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2704.jpg\" data-orig-size=\"1200,661\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"SAM_2704\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2704-1024x564.jpg\" class=\"alignnone size-large wp-image-6847\" src=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2704-1024x564.jpg\" alt=\"SAM_2704\" width=\"700\" height=\"386\" srcset=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2704-1024x564.jpg 1024w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2704-460x253.jpg 460w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2704-300x165.jpg 300w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2704.jpg 1200w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em><strong>Foto 4<\/strong>: Kogutud proovid katsete tarbeks.<\/em><\/p>\n<p>Kaks n\u00e4dalat p\u00e4rast katse algust v\u00f5is juba mitmete proovide puhul m\u00e4rgata metallkupongide korrosiooni. Eriti silmatorkav oli see MDF-plaadi proovi puhul, kus pliileht oli kattunud paksu korrosioonikihiga. Katse l\u00f5ppedes oli korrosioonikiht mitmel metall-kupongil ulatuslik, mis t\u00e4hendas, et neid testitavaid materjale ei tohi vitriinide valmistamiseks kasutada (vt foto 7 ja foto 8).<\/p>\n<p><a href=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2717.jpg\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"6848\" data-permalink=\"https:\/\/blog.erm.ee\/?attachment_id=6848#main\" data-orig-file=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2717.jpg\" data-orig-size=\"1200,900\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1437059902&quot;,&quot;copyright&quot;:&quot;COPYRIGHT, 2011&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"SAM_2717\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2717-1024x768.jpg\" class=\"alignnone size-large wp-image-6848\" src=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2717-1024x768.jpg\" alt=\"SAM_2717\" width=\"700\" height=\"525\" srcset=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2717-1024x768.jpg 1024w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2717-347x260.jpg 347w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2717-300x225.jpg 300w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2717.jpg 1200w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em><strong>Foto 5<\/strong>: Kasutasime katse puhul 50 ml katseklaase, mille sulgesime silikoonpunniga. Viimase sisse l\u00f5igatud piludesse paigutasime puhastatud metallkupongid. Igas klaasis oli v\u00e4ike 1 ml katseklaas, mis sisaldas destilleeritud vett. Pildil on kujutatud MDF-plaadi proovi kolme paralleelkatset enne kuivatuskappi asetamist.<\/em><\/p>\n<p><a href=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0033.jpg\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"6842\" data-permalink=\"https:\/\/blog.erm.ee\/?attachment_id=6842#main\" data-orig-file=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0033.jpg\" data-orig-size=\"1200,575\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1439370490&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"ak0033\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0033-1024x491.jpg\" class=\"alignnone size-large wp-image-6842\" src=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0033-1024x491.jpg\" alt=\"ak0033\" width=\"700\" height=\"336\" srcset=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0033-1024x491.jpg 1024w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0033-460x220.jpg 460w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0033-300x144.jpg 300w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0033.jpg 1200w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em><strong>Foto 6<\/strong>: MDF-plaadi testi tulemused. Vase-, plii- ja h\u00f5bedalehed: \u00fcleval negatiivse katse tulemus, keskel testitud materjali tulemus, all positiivse katse tulemus. Selgelt on n\u00e4ha plii korrosiooni, mis t\u00f5estab, et testitud materjalist eraldus ohtralt kahjulikke happelisi \u00fchendeid. Ka vask on kergelt korrodeerunud. (foto A. Karm)<\/em><\/p>\n<p><a href=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0041.jpg\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"6844\" data-permalink=\"https:\/\/blog.erm.ee\/?attachment_id=6844#main\" data-orig-file=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0041.jpg\" data-orig-size=\"1200,574\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1439371676&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"ak0041\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0041-1024x490.jpg\" class=\"alignnone size-large wp-image-6844\" src=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0041-1024x490.jpg\" alt=\"ak0041\" width=\"700\" height=\"335\" srcset=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0041-1024x490.jpg 1024w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0041-460x220.jpg 460w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0041-300x144.jpg 300w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0041.jpg 1200w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em><strong>Foto 7<\/strong>: EPSi peale kantud kruntv\u00e4rvi (alk\u00fc\u00fcdv\u00e4rv) testi tulemused. Pliileht on tugevalt korrodeerunud. Samuti on vask m\u00e4rgatavalt reageerinud. (foto A. Karm)<\/em><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0039.jpg\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"6843\" data-permalink=\"https:\/\/blog.erm.ee\/?attachment_id=6843#main\" data-orig-file=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0039.jpg\" data-orig-size=\"1200,566\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1439371439&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"ak0039\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0039-1024x483.jpg\" class=\"alignnone size-large wp-image-6843\" src=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0039-1024x483.jpg\" alt=\"ak0039\" width=\"700\" height=\"330\" srcset=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0039-1024x483.jpg 1024w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0039-460x217.jpg 460w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0039-300x142.jpg 300w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/ak0039.jpg 1200w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em><strong>Foto 8<\/strong>: Alternatiivina v\u00e4ljapakutud vesialuselise akr\u00fc\u00fclv\u00e4rvi testi tulemused. N\u00e4ha on vaid v\u00e4ga kerget plii reageerimist, mis t\u00e4hendab, et testitud v\u00e4rv sobib vitriinipindade katmiseks. (foto A. Karm)<\/em><\/p>\n<p style=\"text-align: justify;\">Seega v\u00f5ib meie esimese Oddy testi lugeda \u00f5nnestunuks \u2013 aimdused said t\u00f5estuse. Oleme j\u00e4rgmisteks Oddy testideks valmis!<br \/>\nT\u00e4name v\u00e4ga Tartu \u00dclikooli keemia instituuti, kus saime katse l\u00e4bi viia. J\u00e4rgmisel korral oleme t\u00f5en\u00e4oliselt juba oma uues laboris.<\/p>\n<p><a href=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2720_.jpg\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"6849\" data-permalink=\"https:\/\/blog.erm.ee\/?attachment_id=6849#main\" data-orig-file=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2720_.jpg\" data-orig-size=\"1200,766\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1437063611&quot;,&quot;copyright&quot;:&quot;COPYRIGHT, 2011&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"SAM_2720_\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2720_-1024x654.jpg\" class=\"alignnone size-large wp-image-6849\" src=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2720_-1024x654.jpg\" alt=\"SAM_2720_\" width=\"700\" height=\"447\" srcset=\"https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2720_-1024x654.jpg 1024w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2720_-407x260.jpg 407w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2720_-300x192.jpg 300w, https:\/\/blog.erm.ee\/wp-content\/uploads\/2015\/09\/SAM_2720_.jpg 1200w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em><strong>Foto 9:<\/strong> \u00dclle Vahar (vasakul) ja Karoliine Korol.<\/em><\/p>\n<div class=\"fcbkbttn_buttons_block\" id=\"fcbkbttn_left\"><div class=\"fcbkbttn_like \"><fb:like href=\"https:\/\/blog.erm.ee\/?p=6823\" action=\"like\" colorscheme=\"light\" layout=\"standard\"  width=\"225px\" size=\"small\"><\/fb:like><\/div><div class=\"fb-share-button  \" data-href=\"https:\/\/blog.erm.ee\/?p=6823\" data-type=\"button\" data-size=\"small\"><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>&nbsp; Tekst: Karoliine Korol, konservaator Testi teostasid konservaatorid \u00dclle Vahar ja Karoliine Korol 2016. aasta s\u00fcgisel avatav Eesti Rahva Muuseumi uus p\u00fcsin\u00e4itus saab t\u00e4iesti uue n\u00e4o. Arhitektuurib\u00fcroo 3+1 ja Disainib\u00fcroo Velvet visiooni p\u00f5hjal luuakse seinte \u00e4\u00e4res paiknevate kapp-t\u00fc\u00fcpi vitriinide k\u00f5rvale mitmesuguseid p\u00f5nevaid lahendusi, n\u00e4iteks silindrikujulised \u00fcmberringi vaadeldavad vitriinid (vt foto 1). Kuna aga vitriinidesse asetatavad&hellip;<\/p>\n","protected":false},"author":1,"featured_media":6848,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[9,17],"tags":[],"class_list":["post-6823","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-konserveerimine","category-uus-maja"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Oddy test \u2013 materjalide keemilise ohutuse indikaator - Eesti Rahva Muuseumi ajaveeb<\/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:\/\/blog.erm.ee\/?p=6823\" \/>\n<meta property=\"og:locale\" content=\"et_EE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Oddy test \u2013 materjalide keemilise ohutuse indikaator - Eesti Rahva Muuseumi ajaveeb\" \/>\n<meta property=\"og:description\" content=\"&nbsp; Tekst: Karoliine Korol, konservaator Testi teostasid konservaatorid \u00dclle Vahar ja Karoliine Korol 2016. aasta s\u00fcgisel avatav Eesti Rahva Muuseumi uus p\u00fcsin\u00e4itus saab t\u00e4iesti uue n\u00e4o. Arhitektuurib\u00fcroo 3+1 ja Disainib\u00fcroo Velvet visiooni p\u00f5hjal luuakse seinte \u00e4\u00e4res paiknevate kapp-t\u00fc\u00fcpi vitriinide k\u00f5rvale mitmesuguseid p\u00f5nevaid lahendusi, n\u00e4iteks silindrikujulised \u00fcmberringi vaadeldavad vitriinid (vt foto 1). 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Arhitektuurib\u00fcroo 3+1 ja Disainib\u00fcroo Velvet visiooni p\u00f5hjal luuakse seinte \u00e4\u00e4res paiknevate kapp-t\u00fc\u00fcpi vitriinide k\u00f5rvale mitmesuguseid p\u00f5nevaid lahendusi, n\u00e4iteks silindrikujulised \u00fcmberringi vaadeldavad vitriinid (vt foto 1). 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