SU442151A1 - Extraction method of extraction of rhenium - Google Patents
Extraction method of extraction of rheniumInfo
- Publication number
- SU442151A1 SU442151A1 SU1776150A SU1776150A SU442151A1 SU 442151 A1 SU442151 A1 SU 442151A1 SU 1776150 A SU1776150 A SU 1776150A SU 1776150 A SU1776150 A SU 1776150A SU 442151 A1 SU442151 A1 SU 442151A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- extraction
- rhenium
- ferroin
- water
- nitrobenzene
- Prior art date
Links
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Description
1one
Изобретение относитс к способам кощентрировани рени путем экстрации преимущественно дл его последующего фотометрического определени оThe invention relates to methods for the centrification of rhenium by extraction mainly for its subsequent photometric determination of
Известны способы экстракционкого извлечени рени в виде комплексного соединени с органическими и неорганическими реагентами дл последующего определени рени фотометрическим методом. Дл образовани комплексного соединени ввод т, например, трехвалентное железо, роданид кали и экстракцию провод т органическим растворителем .Methods are known for the extraction extraction of rhenium as a complex compound with organic and inorganic reagents for the subsequent determination of rhenium by the photometric method. For the formation of the complex compound, for example, trivalent iron, potassium rodanide and the extraction are carried out with an organic solvent.
Однако при использовании известного способа извлечени дл аналитического определени рени одновременно с рением извлекаютс и другие элементы, образующие аналогичные роданидные кокшлексы, например медь, молибден, вольфрам.However, when using a known extraction method for analytical determination of rhenium, other elements are also extracted simultaneously with rhenium, forming similar rhodanide coxlexes, for example, copper, molybdenum, and tungsten.
С целью повышени избирательности процесса предложено в качестве реагента вводить ферроин и экстракцию проводить нитробензолом. При этом ферроин ввод т при рН 2-9.In order to increase the selectivity of the process, it was proposed to introduce ferroin as a reagent and conduct extraction with nitrobenzene. Ferroin is then introduced at a pH of 2-9.
Др1м§р. Навеску образца 0,Ь2 .0 г разлагают в азотной кислоте (1:2), выпаривают на вод ной бане до влажных солей, добавл ют 10 мл концентрированной сол ной кислоты и продолжают выпаривание. Влажные соли раствор ют в 25 мл воды, добавл ют около 100 мг сухой соли Трилона Б, нейтрализуют щелочью по бумаге Конго до рН 4-5, перевод т раствор в мерную колбу на 100 мл водой. Аликвоту 10 мл полученного раствора помещают в делительную воронку на 100 мл, доставл ют 2 мл универсального буфера с рН Ь-6, 2 мл 0,005 М раствора ферроина и воду до общего объеьла 15 мл. Приливают 10 мл нитробензола и встр хивают I минуту. После расслоени органический слой фильтруют и спектрофотометрируют наDr.1m§r. A sample of sample 0, L2.0 .0 g is decomposed in nitric acid (1: 2), evaporated in a water bath to wet salts, 10 ml of concentrated hydrochloric acid is added and evaporation is continued. The wet salts are dissolved in 25 ml of water, about 100 mg of the dry salt of Trilon B is added, neutralized with an alkali on Congo paper to a pH of 4-5, the solution is transferred into a 100 ml volumetric flask with water. An aliquot of 10 ml of the resulting solution was placed in a 100 ml separatory funnel, delivered with 2 ml of universal buffer pH B – 6, 2 ml of a 0.005 M solution of ferroin and water to a total volume of 15 ml. 10 ml of nitrobenzene are poured in and shaken for 1 minute. After separation, the organic layer is filtered and spectrophotometrized on
приооре иФ-4А при л макс - 520 им с t 10 мм. Количество ретт определ ют по калибровочному графику , построенному аналогичным способом в пределах концентраций рени от 0,01 до 0,07 мг, ПРВДМЕТ ИЗОБРЕТЕНИЯ I. Способ экстракционного извлечени рени в виде комплексного соединени с органическимPrioor IF-4A with l max - 520 them with a t of 10 mm. The amount of retta is determined by a calibration chart constructed in a similar way within rhenium concentrations from 0.01 to 0.07 mg. APPROACH OF INVENTION I. A method for the extraction of rhenium extraction in the form of a complex compound with organic
реагентом преимущественно дл последующего фотометрического oinpeделени , отличающийс тем, что, с целью повышени избирательности процесса, ввод т в качестве реагента ферроин и экстракцию провод т нитробензолом.The reagent is mainly used for subsequent photometric oindeposition, characterized in that, in order to increase the selectivity of the process, ferroin is introduced as a reagent and extraction is carried out with nitrobenzene.
2. Способ по пЛ, о т л и ч аю щ и и с тем, что ферроин ввод т при рН 2-9.2. The method according to pl, about tl and h ay u and so that ferroin is introduced at pH 2-9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1776150A SU442151A1 (en) | 1972-04-18 | 1972-04-18 | Extraction method of extraction of rhenium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1776150A SU442151A1 (en) | 1972-04-18 | 1972-04-18 | Extraction method of extraction of rhenium |
Publications (1)
Publication Number | Publication Date |
---|---|
SU442151A1 true SU442151A1 (en) | 1974-09-05 |
Family
ID=20511662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1776150A SU442151A1 (en) | 1972-04-18 | 1972-04-18 | Extraction method of extraction of rhenium |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU442151A1 (en) |
-
1972
- 1972-04-18 SU SU1776150A patent/SU442151A1/en active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Sanz-Medel et al. | Ion-pair extraction and fluorimetric determination of potassium with 18-crown-6 and eosin | |
SU442151A1 (en) | Extraction method of extraction of rhenium | |
SU486240A1 (en) | Method of converting nickel into a complex compound and an organic reagent | |
SU1370077A1 (en) | Method of obtaining copper (i) chloride | |
SU1104420A1 (en) | Silver determination method | |
SU1130762A1 (en) | Method of extracting chromium(iii) from solutions | |
SU702300A1 (en) | Method of detecting gypsum in soil | |
SU1154596A1 (en) | Method of quantitative determining of 1,1-dimethylpiperidine chloride | |
SU1402938A1 (en) | Method of determining water in lubricant greases | |
SU1104422A1 (en) | Iron determination method | |
SU966541A1 (en) | Method of estraction concentrating of copper | |
SU971798A1 (en) | Method for detecting copper and zinc which are present simultaneously | |
RU2038584C1 (en) | Method of assay of nonionogenic surface-active substances | |
SU371485A1 (en) | METHOD FOR QUANTITATIVE DETERMINATION OF CESIUM SALT | |
SU1048404A1 (en) | Ephedrine hydrochloride determination method | |
SU1456849A1 (en) | Method of analyzing salicylic acid and methyl salicylate in aqueous solutions | |
SU145051A1 (en) | Method for analytical determination of metal cations | |
SU280976A1 (en) | METHOD FOR DETERMINING METAL IRON IN THE PRESENCE OF ITS MONOSULFIDES | |
SU1027610A1 (en) | Method of separate determination of sulphogroups in alkilarilsulphonate-based emulsifying agents and bisnaphtalenesulphonate mixture based dispersed agents | |
SU1432047A1 (en) | Method of producing concentrated organic solutions of chlorophenols for photometric analysis | |
SU449910A1 (en) | The method of regeneration alkyldiethyrylmethane | |
SU1689811A1 (en) | Method of analysis of tetrasubstituted ammonium bases using extraction photometry | |
SU1018909A1 (en) | Method for spectrofluorimetrically detecting titanium | |
SU432368A1 (en) | METHOD OF EXTRACTIONAL EXTRACTION OF GOLD FROM ACID SOLUTIONS | |
SU798045A1 (en) | Method of extractional photometric determination of cobals |