{"id":571,"date":"2024-02-01T18:33:01","date_gmt":"2024-02-01T21:33:01","guid":{"rendered":"https:\/\/foto.art.br\/site\/?p=571"},"modified":"2024-04-14T07:19:52","modified_gmt":"2024-04-14T10:19:52","slug":"revelacao-reversivel-na-ccmq","status":"publish","type":"post","link":"https:\/\/foto.art.br\/site\/2024\/02\/01\/revelacao-reversivel-na-ccmq\/","title":{"rendered":"Revela\u00e7\u00e3o revers\u00edvel na CCMQ"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"577\" src=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG_20240201_174634_989-1024x577.jpg\" alt=\"\" class=\"wp-image-570\" srcset=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG_20240201_174634_989-1024x577.jpg 1024w, https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG_20240201_174634_989-300x169.jpg 300w, https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG_20240201_174634_989-768x433.jpg 768w, https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG_20240201_174634_989-1200x676.jpg 1200w, https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG_20240201_174634_989.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">teste de 3 processos <\/figcaption><\/figure>\n\n\n\n<p>iniciamos fevereiro testando processos revers\u00edvel na Casa de Cultura M\u00e1rio Quintana,  com Am\u00edlcar Pinto e Myra Gon\u00e7alves na tarde do dia primeiro. <\/p>\n\n\n\n<p>Experimentos com branqueador de permanganato, percloreto de ferro e dicromato de pot\u00e1ssio, que tinha no laborat\u00f3rio. O processo com percloreto n\u00e3o funcionou,  n\u00e3o encontramos solu\u00e7\u00e3o de am\u00f4nia nas lojas, testamos sal amon\u00edaco (cloreto de am\u00f4nia) que n\u00e3o funcionou para converter a prata em cloreto. <\/p>\n\n\n\n<p><\/p>\n\n\n<style type=\"text\/css\" scoped>.rbs_gallery_69ef5b8e5b633Spinner{\r\n\t\t\t\tmargin: 50px auto;\r\n\t\t\t\twidth: 50px;\r\n\t\t\t\theight: 40px;\r\n\t\t\t\ttext-align: center;\r\n\t\t\t\tfont-size: 10px;\r\n\t\t\t}\r\n\t\t\t.rbs_gallery_69ef5b8e5b633Spinner > div{\r\n\t\t\t  background-color: #333;\r\n\t\t\t  height: 100%;\r\n\t\t\t  width: 6px;\r\n\t\t\t  display: inline-block;\r\n\t\t\t  -webkit-animation: rbs_gallery_69ef5b8e5b633-stretchdelay 1.2s infinite ease-in-out;\r\n\t\t\t  animation: rbs_gallery_69ef5b8e5b633-stretchdelay 1.2s infinite ease-in-out;\r\n\t\t\t}\r\n\t\t\t.rbs_gallery_69ef5b8e5b633Spinner .rbs_gallery_69ef5b8e5b633Rect2 {\r\n\t\t\t  -webkit-animation-delay: -1.1s;\r\n\t\t\t  animation-delay: 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title=\"IMG-20240201-WA0007.jpg\"  data-width=\"225\"  data-height=\"300\" ><\/div><div class=\"rbs-img-data-popup\"  data-popup=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG-20240201-WA0007.jpg\"  title=\"IMG-20240201-WA0007.jpg\" ><\/div><div class=\"thumbnail-overlay\"><div class=\"rbsTitle \">IMG-20240201-WA0007.jpg<\/div><div class=\"rbsIcons\"><i class=\"fa fa-search-plus rbsZoomIcon \" ><\/i><\/div><\/div><\/div><\/div><div class=\"rbs-img  category313 \" ><div class=\"rbs-img-image   rbs-lightbox \" ><div class=\"rbs-img-thumbs\"  data-thumbnail=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG-20240201-WA0008-225x300.jpg\"  title=\"IMG-20240201-WA0008.jpg\"  data-width=\"225\"  data-height=\"300\" ><\/div><div class=\"rbs-img-data-popup\"  data-popup=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG-20240201-WA0008.jpg\"  title=\"IMG-20240201-WA0008.jpg\" ><\/div><div class=\"thumbnail-overlay\"><div class=\"rbsTitle 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data-popup=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG-20240201-WA0011.jpg\"  title=\"IMG-20240201-WA0011.jpg\" ><\/div><div class=\"thumbnail-overlay\"><div class=\"rbsTitle \">IMG-20240201-WA0011.jpg<\/div><div class=\"rbsIcons\"><i class=\"fa fa-search-plus rbsZoomIcon \" ><\/i><\/div><\/div><\/div><\/div><div class=\"rbs-img  category313 \" ><div class=\"rbs-img-image   rbs-lightbox \" ><div class=\"rbs-img-thumbs\"  data-thumbnail=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG-20240201-WA0012-300x225.jpg\"  title=\"IMG-20240201-WA0012.jpg\"  data-width=\"300\"  data-height=\"225\" ><\/div><div class=\"rbs-img-data-popup\"  data-popup=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG-20240201-WA0012.jpg\"  title=\"IMG-20240201-WA0012.jpg\" ><\/div><div class=\"thumbnail-overlay\"><div class=\"rbsTitle \">IMG-20240201-WA0012.jpg<\/div><div class=\"rbsIcons\"><i class=\"fa fa-search-plus rbsZoomIcon \" ><\/i><\/div><\/div><\/div><\/div><div class=\"rbs-img  category313 \" ><div class=\"rbs-img-image   rbs-lightbox \" ><div class=\"rbs-img-thumbs\"  data-thumbnail=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG-20240201-WA0016-225x300.jpg\"  title=\"IMG-20240201-WA0016.jpg\"  data-width=\"225\"  data-height=\"300\" ><\/div><div class=\"rbs-img-data-popup\"  data-popup=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG-20240201-WA0016.jpg\"  title=\"IMG-20240201-WA0016.jpg\" ><\/div><div class=\"thumbnail-overlay\"><div class=\"rbsTitle \">IMG-20240201-WA0016.jpg<\/div><div class=\"rbsIcons\"><i class=\"fa fa-search-plus rbsZoomIcon \" ><\/i><\/div><\/div><\/div><\/div><div class=\"rbs-img  category313 \" ><div class=\"rbs-img-image   rbs-lightbox \" ><div class=\"rbs-img-thumbs\"  data-thumbnail=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG-20240201-WA0020-300x225.jpg\"  title=\"IMG-20240201-WA0020.jpg\"  data-width=\"300\"  data-height=\"225\" ><\/div><div class=\"rbs-img-data-popup\"  data-popup=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG-20240201-WA0020.jpg\"  title=\"IMG-20240201-WA0020.jpg\" ><\/div><div class=\"thumbnail-overlay\"><div class=\"rbsTitle \">IMG-20240201-WA0020.jpg<\/div><div class=\"rbsIcons\"><i class=\"fa fa-search-plus rbsZoomIcon \" ><\/i><\/div><\/div><\/div><\/div><div class=\"rbs-img  category313 \" ><div class=\"rbs-img-image   rbs-lightbox \" ><div class=\"rbs-img-thumbs\"  data-thumbnail=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG-20240201-WA0021-225x300.jpg\"  title=\"IMG-20240201-WA0021.jpg\"  data-width=\"225\"  data-height=\"300\" ><\/div><div class=\"rbs-img-data-popup\"  data-popup=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG-20240201-WA0021.jpg\"  title=\"IMG-20240201-WA0021.jpg\" ><\/div><div class=\"thumbnail-overlay\"><div class=\"rbsTitle \">IMG-20240201-WA0021.jpg<\/div><div class=\"rbsIcons\"><i class=\"fa fa-search-plus rbsZoomIcon \" ><\/i><\/div><\/div><\/div><\/div><div class=\"rbs-img  category313 \" ><div class=\"rbs-img-image   rbs-lightbox \" ><div class=\"rbs-img-thumbs\"  data-thumbnail=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG-20240201-WA0015-225x300.jpg\"  title=\"IMG-20240201-WA0015.jpg\"  data-width=\"225\"  data-height=\"300\" ><\/div><div class=\"rbs-img-data-popup\"  data-popup=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG-20240201-WA0015.jpg\"  title=\"IMG-20240201-WA0015.jpg\" ><\/div><div class=\"thumbnail-overlay\"><div class=\"rbsTitle \">IMG-20240201-WA0015.jpg<\/div><div class=\"rbsIcons\"><i class=\"fa fa-search-plus rbsZoomIcon \" ><\/i><\/div><\/div><\/div><\/div><div class=\"rbs-img  category313 \" ><div class=\"rbs-img-image   rbs-lightbox \" ><div class=\"rbs-img-thumbs\"  data-thumbnail=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG-20240201-WA0019-225x300.jpg\"  title=\"IMG-20240201-WA0019.jpg\"  data-width=\"225\"  data-height=\"300\" ><\/div><div class=\"rbs-img-data-popup\"  data-popup=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG-20240201-WA0019.jpg\"  title=\"IMG-20240201-WA0019.jpg\" ><\/div><div class=\"thumbnail-overlay\"><div class=\"rbsTitle \">IMG-20240201-WA0019.jpg<\/div><div class=\"rbsIcons\"><i class=\"fa fa-search-plus rbsZoomIcon \" ><\/i><\/div><\/div><\/div><\/div><div class=\"rbs-img  category313 \" ><div class=\"rbs-img-image   rbs-lightbox \" ><div class=\"rbs-img-thumbs\"  data-thumbnail=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG-20240201-WA0018-225x300.jpg\"  title=\"IMG-20240201-WA0018.jpg\"  data-width=\"225\"  data-height=\"300\" ><\/div><div class=\"rbs-img-data-popup\"  data-popup=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/IMG-20240201-WA0018.jpg\"  title=\"IMG-20240201-WA0018.jpg\" ><\/div><div class=\"thumbnail-overlay\"><div class=\"rbsTitle \">IMG-20240201-WA0018.jpg<\/div><div class=\"rbsIcons\"><i class=\"fa fa-search-plus rbsZoomIcon \" ><\/i><\/div><\/div><\/div><\/div><\/div><\/div><\/div><script>var rbs_gallery_69ef5b8e5b633 = {\"version\":\"5.1.4\",\"id\":313,\"class\":\"id313\",\"roboGalleryDelay\":1000,\"mainContainer\":\"#robo_gallery_main_block_rbs_gallery_69ef5b8e5b633\",\"loadingContainer\":\"#rbs_gallery_69ef5b8e5b633-block-loader\",\"loadingContainerObj\":\"rbs_gallery_69ef5b8e5b633-block-loader\",\"columnWidth\":\"auto\",\"columns\":3,\"resolutions\":[{\"columnWidth\":\"auto\",\"columns\":3,\"maxWidth\":960},{\"columnWidth\":\"auto\",\"columns\":2,\"maxWidth\":650},{\"columnWidth\":\"auto\",\"columns\":1,\"maxWidth\":450}],\"lightboxOptions\":{\"gallery\":{\"enabled\":true,\"tCounter\":\"%curr% of %total%\"}},\"overlayEffect\":\"direction-aware-fade\",\"boxesToLoadStart\":12,\"boxesToLoad\":8,\"waitUntilThumbLoads\":1,\"LoadingWord\":\"Loading...\",\"loadMoreWord\":\"Load More\",\"noMoreEntriesWord\":\"No More Entries\",\"horizontalSpaceBetweenBoxes\":15,\"verticalSpaceBetweenBoxes\":15,\"lazyLoad\":1,\"wrapContainer\":\"#robo-gallery-wrap-rbs_gallery_69ef5b8e5b633\"};<\/script>\n\n\n\n<p>O branqueador de permanganato deu bons resultados, mas logo oxidou ou ficou exausto,  gerando imagens sem contraste.<\/p>\n\n\n\n<p>O dicromato deu bons resultados, usando o \u00e1cido da solu\u00e7\u00e3o de bateria dilu\u00eddo. O problema \u00e9 hoje em dia comprar dicromato de pot\u00e1ssio, controlado pelo ex\u00e9rcito, o \u00fanico que funciona no processo a base de prata. Os dicromatos de s\u00f3dio e am\u00f4nia funcionam apenas nos processos dicromatados (goma, fotogravura, etc).<\/p>\n\n\n\n<p>Testamos tamb\u00e9m adicionar algumas gramas de tiosulfato (hipossulfito) de s\u00f3dio ao primeiro revelador, para abrir o branco,  que deu bons resultados&#8230;<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"602\" height=\"1024\" src=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/Screenshot_20240201_195308_Chrome-602x1024.jpg\" alt=\"\" class=\"wp-image-595\" srcset=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/Screenshot_20240201_195308_Chrome-602x1024.jpg 602w, https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/Screenshot_20240201_195308_Chrome-176x300.jpg 176w, https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/Screenshot_20240201_195308_Chrome.jpg 683w\" sizes=\"auto, (max-width: 602px) 100vw, 602px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-foto-art-br wp-block-embed-foto-art-br\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"O3OJFg8hS9\"><a href=\"https:\/\/foto.art.br\/site\/revelacao-pb-reversivel\/\">revela\u00e7\u00e3o P&#038;B revers\u00edvel<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;revela\u00e7\u00e3o P&#038;B revers\u00edvel&#8221; &#8212; foto.art.br\" src=\"https:\/\/foto.art.br\/site\/revelacao-pb-reversivel\/embed\/#?secret=YXpCvTIQhW#?secret=O3OJFg8hS9\" data-secret=\"O3OJFg8hS9\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"864\" style=\"aspect-ratio: 480 \/ 864;\" width=\"480\" controls src=\"https:\/\/foto.art.br\/site\/wp-content\/uploads\/2024\/02\/VID-20240201-WA0017.mp4\"><\/video><\/figure>\n\n\n\n<p>segunda revela\u00e7\u00e3o, do positivo<\/p>\n","protected":false},"excerpt":{"rendered":"<p>iniciamos fevereiro testando processos revers\u00edvel na Casa de Cultura M\u00e1rio Quintana, com Am\u00edlcar Pinto e Myra Gon\u00e7alves na tarde do dia primeiro. Experimentos com branqueador de permanganato, percloreto de ferro e dicromato de pot\u00e1ssio, que tinha no laborat\u00f3rio. O processo com percloreto n\u00e3o funcionou, n\u00e3o encontramos solu\u00e7\u00e3o de am\u00f4nia nas lojas, testamos sal amon\u00edaco (cloreto [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":570,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-571","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/foto.art.br\/site\/wp-json\/wp\/v2\/posts\/571","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/foto.art.br\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/foto.art.br\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/foto.art.br\/site\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/foto.art.br\/site\/wp-json\/wp\/v2\/comments?post=571"}],"version-history":[{"count":0,"href":"https:\/\/foto.art.br\/site\/wp-json\/wp\/v2\/posts\/571\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/foto.art.br\/site\/wp-json\/wp\/v2\/media\/570"}],"wp:attachment":[{"href":"https:\/\/foto.art.br\/site\/wp-json\/wp\/v2\/media?parent=571"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/foto.art.br\/site\/wp-json\/wp\/v2\/categories?post=571"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/foto.art.br\/site\/wp-json\/wp\/v2\/tags?post=571"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}