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Effect of temperature, oxidation time and substrate: oxidant agent ratio in the yield and composition of humic acids derived from coal, monitored by ¹H NMR and FT-ir

open access: yesRevista Técnica de la Facultad de Ingeniería
Se estudió el rendimiento y composición de los ácidos húmicos (AH) obtenidos por oxidación de un carbón bituminoso venezolano con permanganato de potasio en medio alcalino bajo condiciones variables de temperatura, tiempo de reacción y relación sustrato:
Eliasara Contreras   +2 more
doaj  

[Hypochlorous acid as an antiseptic in the care of patients with suspected COVID-19 infection]. [PDF]

open access: yesArch Soc Esp Oftalmol, 2022
Gessa-Sorroche M   +3 more
europepmc   +1 more source

Effect of temperature, oxidation time and substrate: oxidant agent ratio in the yield and composition of humic acids derived from coal, monitored by ¹H NMR and FT-ir</a> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16"><i>Revista Técnica de la Facultad de Ingeniería</i>, 2004 </span><br><span class="r_content">Se estudió el rendimiento y composición de los ácidos húmicos (AH) obtenidos por oxidación de un carbón bituminoso venezolano con permanganato de potasio en medio alcalino bajo condiciones variables de temperatura, tiempo de reacción y relación sustrato: </span><br><span class="r_sub"><i>Eliasara Contreras<span id="ma_3" style="display:none">, Edgardo Leal, Manuel Martínez</span>   <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_3')">+2 more</a></small></i></span><br><small><a href="https://doaj.org/article/2230677ddea348dcbcc7d6cc2a1e8f9f" target="_blank" rel="nofollow" title="doaj.org/article/2230677ddea348dcbcc7d6cc2a1e8f9f">doaj</a> </small>   <br></div><div class="r"><p class="r_title"><a href="https://core.ac.uk/download/pdf/38828958.pdf" target="_blank" rel="nofollow">Procedencia de los hallazgos documentados</a> <b><a href="https://core.ac.uk/download/pdf/38828958.pdf" target="_blank" rel="nofollow">[PDF]</a></b> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16"></span><br><span class="r_content">Sin ...</span><br><span class="r_sub"><i>Almagro- Gorbea, Martín<span id="ma_4" style="display:none">, Gran- Aymerich, Jean</span>   <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_4')">+1 more</a></small></i></span><br><small><a href="https://core.ac.uk/works/22440442" target="_blank" rel="nofollow" title="core.ac.uk/works/22440442">core</a> </small>   <div id="more_4" style="display:none"><a href="http://revistas.ucm.es/index.php/CMPL/article/download/CMPL9191220332A/30094" target="_blank" rel="nofollow" title="revistas.ucm.es/index.php/CMPL/article/download/CMPL9191220332A/30094">revistas.ucm.es</a><br> </div><small><a href="#" onClick="return toggle_div(this, 'more_4')">+1 more source</a></small><br></div><div class="r"><p class="r_title"><a href="https://core.ac.uk/download/143458642.pdf" target="_blank" rel="nofollow">Síntesis fotoquímica de derivados ácidos de fósforo y sus esteres a partir de fósforo elemental blanco</a> <b><a href="http://repositorio.ual.es/bitstream/10835/4360/1/P200201731.pdf" target="_blank" rel="nofollow">[PDF]</a></b> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16">, 2016 </span><br><span class="r_content">Número de publicación: ES2209628 A1 (16.06.2004) También publicado como: ES2209628 B2 (01.05.2005) Número de Solicitud: Consulta de Expedientes OEPM (C.E.O.) P200201731 (23.07.2002)La aplicación consiste en un proceso reactivo fotoquímico solar que ...</span><br><span class="r_sub"><i>Mañas, Sonia<span id="ma_5" style="display:none">, Richter, Christoph, Romerosa Nievas, Antonio Manuel</span>   <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_5')">+2 more</a></small></i></span><br><small><a href="https://core.ac.uk/works/46281560" target="_blank" rel="nofollow" title="core.ac.uk/works/46281560">core</a> </small>   <br></div><div class="r"><p class="r_title"><a href="https://explore.openaire.eu/search/publication?pid=2099.1%2F14037" target="_blank" rel="nofollow">Estudio de un pelambre reductor-oxidante</a> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16">, 2011 </span><br><span class="r_content">El objectivo principal del proyecto consiste, por una parte en reducir la cantidad de productos utilizados en el pelambre clásico y por otro lado reducir la contaminación de las aguas residuales, realizando una combinación del pelambre reductor con sulfuro y el pelambre oxidante con peróxido de hidrógeno.</span><br><small><a href="https://explore.openaire.eu/search/publication?pid=2099.1%2F14037" target="_blank" rel="nofollow" title="openaire.eu/search/publication?pid=2099.1%2F14037">openaire</a> </small>   <div id="more_6" style="display:none"><a href="http://hdl.handle.net/2099.1/14037" target="_blank" rel="nofollow" title="hdl.handle.net/2099.1/14037">hdl.handle.net</a><br> </div><small><a href="#" onClick="return toggle_div(this, 'more_6')">+1 more source</a></small><br></div><div class="r"><p class="r_title"><a href="https://explore.openaire.eu/search/publication?articleId=dedup_wf_002%3A%3A2a0ae8fbfc6219887d1d2e4b394ba735" target="_blank" rel="nofollow">Algunos Problemas Fundamentales sobre la Combustión de Oxidantes Líquidos en Hidrógeno.</a> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16">, 1967 </span><br><span class="r_content">El hidrógeno es el combustible de alta energía más importante en la tecnología de los motores cohete. Motores cohete hidrógeno/oxígeno ya están siendo empleados y otros sistemas de propulsantes líquidos que utilizan el hidrógeno con diversos oxidantes, se encuentran en avanzado estado de desarrollo.</span><br><span class="r_sub"><i>Sánchez Tarifa, Carlos<span id="ma_7" style="display:none">, Pérez del Notario Martínez de Marañón, Pedro</span>   <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_7')">+1 more</a></small></i></span><br><small><a href="https://explore.openaire.eu/search/publication?articleId=dedup_wf_002%3A%3A2a0ae8fbfc6219887d1d2e4b394ba735" target="_blank" rel="nofollow" title="openaire.eu/search/publication?articleId=dedup_wf_002%3A%3A2a0ae8fbfc6219887d1d2e4b394ba735">openaire</a> </small>   <div id="more_7" style="display:none"><a href="https://oa.upm.es/6463/" target="_blank" rel="nofollow" title="oa.upm.es/6463/">oa.upm.es</a><br> <a href="https://oa.upm.es/6448/" target="_blank" rel="nofollow" title="oa.upm.es/6448/">oa.upm.es</a><br> </div><small><a href="#" onClick="return toggle_div(this, 'more_7')">+2 more sources</a></small><br></div><div class="r"><p class="r_title"><a href="https://core.ac.uk/download/41786477.pdf" target="_blank" rel="nofollow">Principios físicos y químicos del fieltraje de la lana.</a> <b><a href="https://core.ac.uk/download/41786477.pdf" target="_blank" rel="nofollow">[PDF]</a></b> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16">, 1969 </span><br><span class="r_content">Definición, principios y teoría del fieltraje.Peer ...</span><br><span class="r_sub"><i>Miró i Plans, Pere 1927-</i></span><br><small><a href="https://core.ac.uk/works/24344281" target="_blank" rel="nofollow" title="core.ac.uk/works/24344281">core</a> </small>   <br></div><div class="r"><p class="r_title"><a href="https://doi.org/10.36660/abc.20201155" target="_blank" rel="nofollow">Pterostilbene Reduces Experimental Myocardial Infarction-Induced Oxidative Stress in Lung and Right Ventricle.</a> <b><a href="https://europepmc.org/backend/ptpmcrender.fcgi?accid=PMC8856678&blobtype=pdf" target="_blank" rel="nofollow">[PDF]</a></b> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16"><i>Arq Bras Cardiol</i>, 2022 </span><br><span class="r_sub"><i>Tasca S<span id="ma_9" style="display:none">, Campos C, Lacerda D, Ortiz VD, Turck P, Bianchi SE, Castro AL, Belló-Klein A, Bassani V, Araújo ASDR.</span>   <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_9')">+9 more</a></small></i></span><br><small><a href="https://europepmc.org/article/MED/35262578#free-full-text" target="_blank" rel="nofollow" title="europepmc.org/article/MED/35262578#free-full-text">europepmc</a> </small>   <div id="more_9" style="display:none"><a href="/sci_redir.php?doi=10.36660%2Fabc.20201155" target="_blank" rel="nofollow">openaccessbutton.org (pdf)</a><br><a href="javascript:navigator.clipboard.writeText('10.36660/abc.20201155'); alert('Copied the doi');">copy doi</a> <small>(10.36660/abc.20201155)</small><br></div><small><a href="#" onClick="return toggle_div(this, 'more_9')">+1 more source</a></small><br></div><div class="r"><p class="r_title"><a href="https://doi.org/10.36660/abc.20210666" target="_blank" rel="nofollow">Aortic Intima Media Thickness is Increased and Closely Related to Elevated Oxidative Stress Increases in Beta Thalassemia Minor.</a> <b><a href="https://europepmc.org/backend/ptpmcrender.fcgi?accid=PMC9438530&blobtype=pdf" target="_blank" rel="nofollow">[PDF]</a></b> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16"><i>Arq Bras Cardiol</i>, 2022 </span><br><span class="r_sub"><i>Tumer C<span id="ma_10" style="display:none">, Saler T, Aslan MZ, Koc AS, Koc M, Erel O, Neselioglu S, Gulumsek E, Avci BS, Avci A, Sumbul HE.</span>   <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_10')">+10 more</a></small></i></span><br><small><a href="https://europepmc.org/article/MED/35703665#free-full-text" target="_blank" rel="nofollow" title="europepmc.org/article/MED/35703665#free-full-text">europepmc</a> </small>   <div id="more_10" style="display:none"><a href="/sci_redir.php?doi=10.36660%2Fabc.20210666" target="_blank" rel="nofollow">openaccessbutton.org (pdf)</a><br><a href="javascript:navigator.clipboard.writeText('10.36660/abc.20210666'); alert('Copied the doi');">copy doi</a> <small>(10.36660/abc.20210666)</small><br></div><small><a href="#" onClick="return toggle_div(this, 'more_10')">+1 more source</a></small><br></div><div class="r"><div style="margin-bottom:2px;overflow:hidden"><div style="display: inline-block; float: left; font-size: small; padding-right: 16px; margin-top: -1px; padding-bottom: 1px;"><a href="/q-antioxidantes/" class="suggestion"onclick="show_loader();"><b>antioxidantes</b></a><br/><a href="/q-oxidantes/" class="suggestion"onclick="show_loader();"><b>oxidantes</b></a><br/><a href="/q-oxidaci%C3%B3n/" class="suggestion"onclick="show_loader();"><b>oxidación</b></a><br/></div><div style="display: inline-block; float: left; font-size: small; padding-right: 16px; margin-top: -1px; padding-bottom: 1px;"><a href="/q-estr%C3%A9s_oxidativo/" class="suggestion"onclick="show_loader();"><b>estrés oxidativo</b></a><br/><a href="/q-legionella/" class="suggestion"onclick="show_loader();"><b>legionella</b></a><br/><a href="/q-oxida%C3%A7%C3%A3o/" class="suggestion"onclick="show_loader();"><b>oxidação</b></a><br/></div><div style="display: inline-block; 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