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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">rmjournal</journal-id><journal-title-group><journal-title xml:lang="ru">Эталоны. Стандартные  образцы</journal-title><trans-title-group xml:lang="en"><trans-title>Measurement Standards. Reference Materials</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2687-0886</issn><publisher><publisher-name>D. I. Mendeleyev Institute for Metrology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20915/2077-1177-2018-14-3-4-51-56</article-id><article-id custom-type="elpub" pub-id-type="custom">rmjournal-184</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Информация. Новости. События</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Information. News. Events</subject></subj-group></article-categories><title-group><article-title>Деятельность ФГУП ВНИИФТРИ в сфере физико-химических измерений</article-title><trans-title-group xml:lang="en"><trans-title>Activity of All-Russian Research Institute of Physical-Technical and Radio-Technical Measurements (VNIIFTRI) in the sphere of physicochemical measurements</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Добровольский</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Dobrovolskiy</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к. техн. н., начальник научно-исследовательского отделения физико-химических и электрических измерений</p></bio><bio xml:lang="en"><p>Ph. D. (Eng.), Head of Research Department for Physical-Chemical and Electrical Measurements, FSUE VNIIFTRI.</p></bio><email xlink:type="simple">mera@vniiftri.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Оганян</surname><given-names>Н. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Oganyan</surname><given-names>N. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к. хим. н., заместитель начальника научно-исследовательского отделения физико-химических и электрических измерений</p></bio><bio xml:lang="en"><p>Ph.D. (Chem.), Deputy Head of Research Department for Physical-Chemical and Electrical Measurements</p></bio><email xlink:type="simple">oganyan@vniiftri.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Прокунин</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Prokunin</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к. техн. н., начальник лаборатории электрохимических и электрических измерений</p></bio><bio xml:lang="en"><p>Ph.D. (Eng.), Head of the Laboratory for Electrochemical and Electrical Measurements</p></bio><email xlink:type="simple">prokunin@vniiftri.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГУП «Всероссийский научно-исследовательский институт физико-технических и радиотехнических измерений (ВНИИФТРИ), п. Менделеево, Московская обл.</institution><country>Россия</country></aff><aff xml:lang="en"><institution>All-Russian Research Institute of Physicol-Technical and Radio-Technical Measurements (VNIIFTRI), Mendeleevo, Moscow Region</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>02</day><month>04</month><year>2019</year></pub-date><volume>14</volume><issue>3-4</issue><fpage>51</fpage><lpage>56</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Добровольский В.И., Оганян Н.Г., Прокунин С.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Добровольский В.И., Оганян Н.Г., Прокунин С.В.</copyright-holder><copyright-holder xml:lang="en">Dobrovolskiy V.I., Oganyan N.G., Prokunin S.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.rmjournal.ru/jour/article/view/184">https://www.rmjournal.ru/jour/article/view/184</self-uri><abstract><p>В статье представлено описание, метрологические характеристики и области применения государственных первичных эталонов ФГУП «ВНИИФТРИ»: показателей активности ионов водорода pH и активности ионов pX в водных растворах, единиц дисперсных параметров аэрозолей, взвесей и порошкообразных материалов, единиц массовой доли и массовой (молярной) концентрации неорганических компонентов в водных растворах на основе гравиметрического и спектральных методов анализа. В докладе также говорится о производстве на базе ВНИИФТРИ стандарт-титров и буферных растворов для рН-метрии, рабочих эталонов активности ионов Na+, K+, F- , Cl- , Br- , I- , NO3- (pX) в водных средах, об исследованиях и о плановых разработках.</p></abstract><trans-abstract xml:lang="en"><p>This article presents the description, metrological characteristics and application of State primary standards developed at the All-Russian Research Institute of Physicol-Technical and Radio-Technical Measurements (VNIIFTRI). These include the state primary standards for pH and pX in aqueous solutions, units of the dispersed parameters of aerosols, suspensions and powdery materials, units of the mass fraction and mass (molar) concentration of inorganic components in aqueous solutions based on gravimetric and spectral methods of analysis. In addition, the article discusses R&amp;D projects that are currently being realized at VNIIFTRI, including the production of standard-titres and buffer solutions for pH-metry, as well as working standards for assessing the activity of Na+, K+, F- , Cl- , Br- , I- , NO3- (pX) ions in aqueous media.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>водородный показатель</kwd><kwd>активность ионов</kwd><kwd>эталон</kwd><kwd>pH</kwd><kwd>pX</kwd><kwd>стандарт-титр</kwd><kwd>буферный раствор</kwd><kwd>стандартный образец</kwd><kwd>утверждение типа</kwd><kwd>калибровка</kwd><kwd>поверка</kwd><kwd>аттестация методик измерений</kwd><kwd>аттестация чистых помещений</kwd><kwd>производство стандартных образцов и мер</kwd></kwd-group><kwd-group xml:lang="en"><kwd>ion activity</kwd><kwd>measurement standard</kwd><kwd>pH</kwd><kwd>pX</kwd><kwd>standard-titre</kwd><kwd>buffer solution</kwd><kwd>reference material</kwd><kwd>type approval</kwd><kwd>calibration</kwd><kwd>verification</kwd><kwd>measurement procedure certification</kwd><kwd>cleanroom certification</kwd><kwd>production of reference materials and measures</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories // ISO [Электронный ресурс] URL: https://www.iso.org/ standard/39883.html</mixed-citation><mixed-citation xml:lang="en">ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories // ISO [Электронный ресурс] URL: https://www.iso.org/ standard/39883.html</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">ГОСТ 8.120-2014 Государственная система обеспечения единства измерений (ГСИ). 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