SU70761A1 - The method of purification of technical salts of metals of the second group from iron and heavy metals - Google Patents

The method of purification of technical salts of metals of the second group from iron and heavy metals

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Publication number
SU70761A1
SU70761A1 SU7327K SU7327K SU70761A1 SU 70761 A1 SU70761 A1 SU 70761A1 SU 7327 K SU7327 K SU 7327K SU 7327 K SU7327 K SU 7327K SU 70761 A1 SU70761 A1 SU 70761A1
Authority
SU
USSR - Soviet Union
Prior art keywords
metals
iron
group
purification
heavy metals
Prior art date
Application number
SU7327K
Other languages
Russian (ru)
Inventor
Б.М. Гугель
Original Assignee
Б.М. Гугель
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 Б.М. Гугель filed Critical Б.М. Гугель
Application granted granted Critical
Publication of SU70761A1 publication Critical patent/SU70761A1/en

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Description

Дл  получени  качественных свет щихс  составов необходимо иметь соли (сульфиды или «арбонаты) высокой чистоты с содержанием т желых металлов менее 0,0001%, в том числе железа менее 0,00002%. Дл  изготовлени  таких солей из водорастворимых солей металлов второй группы (нитратов, сульфатов, хлоридов ) и осадителей (углекислого аммони , натри ) обычно пользуютс  химически чистыми материалами, весьма дорогими и дефицитными.In order to obtain high-quality luminous compounds, it is necessary to have high purity salts (sulfides or "arbonates) with heavy metals less than 0.0001%, including iron less than 0.00002%. For the manufacture of such salts from water-soluble metal salts of the second group (nitrates, sulphates, chlorides) and precipitating agents (ammonium carbonate, sodium), they usually use chemically pure materials that are very expensive and scarce.

Предлагаетс  способ очистки технических водорастворимых солей металлов второй группы от железа, а также и других т желых металлов , позвол ющий получать кондиционные дл  производства светосоставов соли.A method is proposed for purification of technical water-soluble metal salts of the second group from iron, as well as other heavy metals, which makes it possible to obtain salts suitable for the production of light compositions.

Водорастворимую техническую соль металла второй группы раствор ют в воде в фарфоровом котле на 150 л так, чтобы получить концентрацию от 200 до 250 г/л, счита  на безводную соль. При наличии больших количеств нерастворивщихс  примесей последние отдел ют фильтрацией через достаточноThe water-soluble technical salt of the metal of the second group is dissolved in water in a 150 l porcelain boiler so as to obtain a concentration of from 200 to 250 g / l, calculated as an anhydrous salt. In the presence of large amounts of insoluble impurities, the latter are separated by filtration through sufficient

& Свод k 3.& Code k 3.

плотную ткань (например полотно). В раствор добавл ют окислитель (перекись водорода, гипохлорит натри  или кальци , хлорную известь или др. подобные вещества) в количестве, достаточном дл  окислени  всего железа до трехвалентного состо ни . Затем при посто нном перемешивании в окисленный раствор добавл ют свежеосаждепную гидроокись магни  в количестве от 10 до 30 г Mg (ОН)2 на 1 кг сухой соли.thick fabric (eg canvas). An oxidizing agent (hydrogen peroxide, sodium or calcium hypochlorite, bleach, or other similar substances) is added to the solution in an amount sufficient to oxidize all the iron to the trivalent state. Then, with constant stirring, freshly precipitated magnesium hydroxide is added to the oxidized solution in an amount of from 10 to 30 g of Mg (OH) 2 per 1 kg of dry salt.

Котел закрывают крышкой и оставл ют на 1-2 суток до полного осветлени , когда очистка может считатьс  законченной. Содержание железа после такой очистки менее 0,00002% в пересчете на сухую соль. Растворы фильтруют через бумажные фильтры и дл  освобождени  их от других т желых металлов ввод т сернистый аммоний, приготовленный из газообразных аммиака и сероводорода, в количестве 1 г на 1 кг соли и оставл ют на суточный отстой. После очистки содержание г желых металлов составл ет величину менее 0,00002%.The boiler is closed with a lid and left for 1-2 days until full clarification, when cleaning can be considered complete. The iron content after such purification is less than 0.00002% in terms of dry salt. The solutions are filtered through paper filters and to free them from other heavy metals, ammonium sulphide prepared from gaseous ammonia and hydrogen sulphide is introduced in an amount of 1 g per 1 kg of salt and left to the daily sludge. After purification, the content of heavy metals is less than 0.00002%.

8181

№ 70761 -2 Предмет изобретени соли на 1 л и предварительно обраСпособ очистки технических со-ботанный окислителем до полного лей металлов второй группы от же-перевода железа в трехвалентную леза и т желых металлов дл  полу-Ф Р У свежеосажденную чени  солей, пригодных дл  изгото-i P K b магни  в количестве влени  люминофоров, отличаю-10-30 г на кг безводной соли и щ и и с   тем, что в раствор, содер-оставл ют на 1-2 суток, после чего жащий около 200-250 г безводнойфильтруют.No. 70761 -2 The subject matter of the invention is 1 liter of salt and a pre-treatment method of technical cleaning with an oxidizing agent up to full metals of the second group from the same-transfer of iron to trivalent iron and heavy metals for semi-fr o -i PK b magnesium in the amount of appearance of the phosphors, distinguish 10-30 g per kg of anhydrous salt and y and the fact that the solution is kept for 1-2 days, after which about 200-250 g anhydrous is filtered. .

SU7327K 1945-06-22 1945-06-22 The method of purification of technical salts of metals of the second group from iron and heavy metals SU70761A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU7327A SU69185A1 (en) 1945-06-22 1945-06-22 Method of cleaning technical soda

Publications (1)

Publication Number Publication Date
SU70761A1 true SU70761A1 (en) 1947-11-30

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Application Number Title Priority Date Filing Date
SU7327A SU69185A1 (en) 1945-06-22 1945-06-22 Method of cleaning technical soda
SU7327K SU70761A1 (en) 1945-06-22 1945-06-22 The method of purification of technical salts of metals of the second group from iron and heavy metals

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SU7327A SU69185A1 (en) 1945-06-22 1945-06-22 Method of cleaning technical soda

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Publication number Publication date
SU69185A1 (en) 1946-11-30

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