SU710950A1 - Method of extractional photometric determination of rare-earth elements and yttrium - Google Patents
Method of extractional photometric determination of rare-earth elements and yttrium Download PDFInfo
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- SU710950A1 SU710950A1 SU782585060A SU2585060A SU710950A1 SU 710950 A1 SU710950 A1 SU 710950A1 SU 782585060 A SU782585060 A SU 782585060A SU 2585060 A SU2585060 A SU 2585060A SU 710950 A1 SU710950 A1 SU 710950A1
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- USSR - Soviet Union
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- yttrium
- rare
- photometric determination
- earth elements
- extractional
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Description
(54) СПОСОБ ЭКСТРАКЦИОННО-ФОТОМЕТРИЧЕСКОГО ОПРЕДЕЛЕНИЯ РЕДКОЗЕМЕЛЬНЫХ ЭЛЕМЕНТОВ И ИТТРИЯ(54) METHOD OF EXTRACTION-PHOTOMETRIC DETERMINATION OF RARE-EARTH ELEMENTS AND YTTRIA
Изобретение относитс к аналитической химии, а именно к способам анализа различных природных и технолоп ческих объектов на содержание редкоземельных элементов и иттри .The invention relates to analytical chemistry, in particular to methods for analyzing various natural and technological objects for the content of rare-earth elements and yttrium.
Известен способ спектрофотометрического определени итгри в присутствии стронци , включагошин предварительное экстракционное извлечение иттри в виде комш ексного соединени с арсеназо Ш в присутствии opraimческого катиоиа-дифенилгуанихими с последующим фотомсфированием при рН-6-9 (1.A known method for the spectrophotometric determination of yttrium in the presence of strontium, including tires, is the preliminary extraction extraction of yttrium as a com plex compound with arsenazo III in the presence of optic catio diphenylguanium, followed by photofishing at pH 6-9 (1
Недостатком способа вл етс 1шзка селективность определешш иттри (мешают ионы железа, алюмини , кальци , тори и многие другие).The disadvantage of this method is that the selectivity of yttrium is certain (iron, aluminum, calcium ions, thorium and many others interfere).
Известен способ экстракщюппо-фотометрического опреде/№ни редкоземельных элементов (РЗЭ) в рудах, породах, минеральных и в природнь1х водах, основанный иа экстракции бутиловь1м спиртом тройных окрашенных комплексов РЗЭ-арсеназо Ш-дифенилгуа падин . Вли ние мешаюищх элементов устран 1ш их предварительной экстракцией в видеThe known method of extractive photometric determination of rare earth elements (REE) in ores, rocks, mineral and natural waters, based on extraction with butyl alcohol of ternary colored REE arsenazo III-diphenylguadapine. The effect of interfering elements is eliminated by their preliminary extraction in the form of
комплексных родашщных ионов диантипнрилметаном в хлороформе 2.complex native ions of diantipnrilmethane in chloroform 2.
Недостатком способа вл етс длительность и трудоемкость (поскольку полного устранени вли ни мешаюших элементов при этом достигггуть не удаетс , был использован метод добавок ) .The disadvantage of this method is duration and laboriousness (since it is not possible to achieve complete elimination of the influence of the interfering elements, the additive method was used).
Наиболее близким к предлагаемому способу по техщ1ческой сущности и достигаемому результалу вл етс способ эксгракционнофотометрического определени РЗЭ и итгри , включающий их экстракционное концентрирование карбоновыми кислотами, реэкстракцию и фотометрическое определение с применением органического реагенга-арсеназо Ш 3.The closest to the proposed method according to the technical essence and the achieved result is the method of exgraction photometric determination of REE and ytgry, including their extraction concentration with carboxylic acids, reextraction and photometric determination using organic reagent-arsenazo III 3.
Недостатком известного способа вл етс недостаточные чувс1ВИ1ельность и точность .из-за потерь РЗЭ с органической фазой на стадии их реэкстракции. а также шиггельность процесса.The disadvantage of this method is insufficient sensitivity and accuracy due to the loss of REE with an organic phase at the stage of their re-extraction. as well as the ingressability of the process.
Целью изобретени вл етс повышение чувствительности, гочности анализа и упрощени процесса.The aim of the invention is to increase the sensitivity, accuracy of the analysis and simplify the process.
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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SU782585060A SU710950A1 (en) | 1978-03-01 | 1978-03-01 | Method of extractional photometric determination of rare-earth elements and yttrium |
Applications Claiming Priority (1)
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SU782585060A SU710950A1 (en) | 1978-03-01 | 1978-03-01 | Method of extractional photometric determination of rare-earth elements and yttrium |
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SU710950A1 true SU710950A1 (en) | 1980-01-25 |
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SU782585060A SU710950A1 (en) | 1978-03-01 | 1978-03-01 | Method of extractional photometric determination of rare-earth elements and yttrium |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2511375C2 (en) * | 2012-07-02 | 2014-04-10 | Открытое акционерное общество "Воскресенские минеральные удобрения" | Method of photometric determination of rare earth elements |
-
1978
- 1978-03-01 SU SU782585060A patent/SU710950A1/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2511375C2 (en) * | 2012-07-02 | 2014-04-10 | Открытое акционерное общество "Воскресенские минеральные удобрения" | Method of photometric determination of rare earth elements |
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