SU75289A1 - Method for determining mouse in ores, slags and cinders - Google Patents

Method for determining mouse in ores, slags and cinders

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Publication number
SU75289A1
SU75289A1 SU6566A SU372464A SU75289A1 SU 75289 A1 SU75289 A1 SU 75289A1 SU 6566 A SU6566 A SU 6566A SU 372464 A SU372464 A SU 372464A SU 75289 A1 SU75289 A1 SU 75289A1
Authority
SU
USSR - Soviet Union
Prior art keywords
cinders
ores
slags
mouse
determining mouse
Prior art date
Application number
SU6566A
Other languages
Russian (ru)
Inventor
В.И. Александров
М.В. Александрова
Original Assignee
В.И. Александров
М.В. Александрова
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by В.И. Александров, М.В. Александрова filed Critical В.И. Александров
Priority to SU6566A priority Critical patent/SU75289A1/en
Application granted granted Critical
Publication of SU75289A1 publication Critical patent/SU75289A1/en

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  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

Description

Предлагаемый способ определени  мышь ка в рудах, шлаках и огарках основан на том, что при разложении руд, содержащих мышь к , концентрированной серной кислотой мышь к переходит в раствор в п тивалентной форме. Далее п тивалентный мышь к при ПОМОШ.И углерода , получаемого за счет обугливани  серной кислотой куска фильтровальной бумаги восстанавливаетс  до трехвалентного. Полученный трехвалентный мышь к оттитровываетс  в сол но-кислой .среде бромнаватокислым калием, при этом в качестве индикатора используют метилоранж.The proposed method for determining the mouse in ores, slags and cinders is based on the fact that during the decomposition of ores containing mouse, with concentrated sulfuric acid, the mouse goes into solution in a bi-valent form. Further, a pyvalent mouse by POMOSH.I. and carbon produced by charring with sulfuric acid a piece of filter paper is reduced to trivalent. The resulting trivalent mouse is titrated in a hydrochloric acid environment with potassium bromic acid, and methyl orange is used as an indicator.

Анализ руды, шлака и огарков предлагаемым способом производитс  в следующем пор дке: навеску руды 0,5 г (огарка или шлака 1,0 г), вз тую на аналитических весах , помещают в колбу, прибавл ют 15 мл серной кислоты а 1,84 и став т дл  разложени  в песоч ую баню. В результате разложени  получаетс  белый, без черных вкраплений осадок. Неразлагающа с  частично в огарках окись железа иа конечных результатах не отражаетс .The analysis of ore, slag and cinders by the proposed method is carried out in the following order: 0.5 g of ore (calcine or slag 1.0 g), taken on an analytical balance, are placed in a flask, 15 ml of sulfuric acid are added, and 1.84 and placed for decomposition into a sand bath. As a result of the decomposition, a white precipitate is obtained, without black impregnations. Non-decomposable, partially in the cinders, iron oxide and the final results are not reflected.

В разложившуюс  пробу бросают 3-4 см фильтровальной бумаги, котора  под действием серной кисОтв . редактор М. М. Акишин3-4 cm of filter paper, which is under the action of sulfuric acid, is thrown into the decomposed sample. editor M. M. Akishin

лоты обугливаетс , что дает возможность при помощи полученного углерода восстанов ить п тивалентный мышь к до трехвалентного.the lots are charred, which makes it possible, using the carbon produced, to reduce the pyvalent mouse to trivalent mice.

По окончании процесса восстановлени  колба охлаждаетс , затем в раствор добавл етс  70-80 мл дестиллированной воды, пОСле чего раствор кип т т 5-6 мин. дл  растворени  и удалени  всех солей. После этого пробу охлаждают, разбавл ют в мерной колбе до 250 мл, дают осадк} отсто тьс  и пипетируют его в количестве 50 мл в колбу. Нагрев раствор до 90-9-5°, прибавл ют в него 10 мл сол ной кислоты 12 1,19), две капли метилоранжа и титруют б|рс1матом. Цвет пробы при этом мен етс  от оранжевого долимонно-желтого, что показывает на конец реакции.At the end of the recovery process, the flask is cooled, then 70-80 ml of distilled water is added to the solution, after which the solution is boiled for 5-6 minutes. to dissolve and remove all salts. After that, the sample is cooled, diluted in a volumetric flask to 250 ml, the precipitate is allowed to settle and pipetting in an amount of 50 ml into the flask. Heating the solution to 90–9–5 °, add 10 ml of hydrochloric acid (12) (1.19) into it, two drops of methyl orange, and titrate with b | pc1mat. The color of the sample varies from orange to dolimon yellow, which indicates the end of the reaction.

Предмет изобретени  Способ определени  мышь ка в рудах, шлаках и огарках, отличающийс  тем, что мышь ксодержащие руды, шлаки или огарки разлагают концентрированной серной кислотой с восстановлением углеродом п тивалентного мышь ка в трехвалентный и титруют раствор бромноватокислым калием в кислой сред,е с метилоррлжем в качестве индикатора.Subject of the invention. Method for determining arsenic in ores, slags and cinders, characterized in that arsenic ores, slags or cinders are decomposed with concentrated sulfuric acid with carbon reduction to pentavalent arsenic to trivalent and titrate the solution with potassium bromic acid in an acidic medium, with methylorrhea in as an indicator.

Редактор С. П. Мысовский 468Editor S.P. Mysovsky 468

SU6566A 1947-08-04 1947-08-04 Method for determining mouse in ores, slags and cinders SU75289A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU6566A SU75289A1 (en) 1947-08-04 1947-08-04 Method for determining mouse in ores, slags and cinders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU6566A SU75289A1 (en) 1947-08-04 1947-08-04 Method for determining mouse in ores, slags and cinders

Related Child Applications (1)

Application Number Title Priority Date Filing Date
SU7502331174A Addition SU583371A2 (en) 1975-12-15 1975-12-15 Transducer

Publications (1)

Publication Number Publication Date
SU75289A1 true SU75289A1 (en) 1948-11-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU6566A SU75289A1 (en) 1947-08-04 1947-08-04 Method for determining mouse in ores, slags and cinders

Country Status (1)

Country Link
SU (1) SU75289A1 (en)

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