SU800136A1 - Method of calcium fluoride purification - Google Patents

Method of calcium fluoride purification Download PDF

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Publication number
SU800136A1
SU800136A1 SU782593006A SU2593006A SU800136A1 SU 800136 A1 SU800136 A1 SU 800136A1 SU 782593006 A SU782593006 A SU 782593006A SU 2593006 A SU2593006 A SU 2593006A SU 800136 A1 SU800136 A1 SU 800136A1
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SU
USSR - Soviet Union
Prior art keywords
calcium fluoride
fluoride purification
purification
calcium
purity
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SU782593006A
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Russian (ru)
Inventor
Владимир Степанович Шкарупа
Инна Вениаминовна Линзина
Вера Николаевна Доронина
Зоя Владимировна Кауркина
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Предприятие П/Я Р-6991
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Priority to SU782593006A priority Critical patent/SU800136A1/en
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Publication of SU800136A1 publication Critical patent/SU800136A1/en

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Description

(54) СПОСОБ ОЧИСТКИ ФТОРИСТОГО КАЛЬЦИЯ(54) METHOD FOR CLEANING FLUORINE CALCIUM

ном продукте составит 0,029%, степень чистоты фтористого кальци  99%.The nominal product will be 0.029%, the degree of purity of calcium fluoride is 99%.

Пример 2. Берут 10 г фтористого кгшьци , получаемого; в качестве побочного продукта при очистке отход щих газов,с содержанием 3,5% хлоридов , помещают в печь прокалки и осуществл ют термообработку при 800820 С в течение 10 мин. Остаточное содержание хлоридов в прокаленном продукте составл ет 0,022%, степень чистоты фтористого кальци  достигает 98,9%.Example 2. Take 10 g of fluoride obtained; as a by-product in the purification of waste gases, with a content of 3.5% chloride, is placed in a calcination furnace and heat treated at 800,820 ° C for 10 minutes. The residual chloride content in the calcined product is 0.022%, the purity of calcium fluoride reaches 98.9%.

ПримерЗ. Берут 10 г фтористого кальци , содержащего 0,2% хлоридов , помещают в печь прокалки и осуществл ют термообработку при 980ЮОО С в течение 16 мин. Остаточное содержание хлоридов при этом состав-.Example 10 g of calcium fluoride containing 0.2% of chlorides is taken, placed in a calcination furnace and heat treated at 980 ° C for 16 minutes. The residual content of chlorides in this composition is -.

л ет 0,01%, степень чистоты фтористого кальци  - 98%.It is 0.01%, the degree of purity of calcium fluoride is 98%.

Claims (2)

1.Патент США 3140916, кл. 23154 ,1964.1. US patent 3140916, cl. 23154, 1964. 2.Авторское свидетельство СССР2. USSR author's certificate 497237, кл. С 01 Р,1973(прототип), 4,97237, cl. Since 01 P, 1973 (prototype),
SU782593006A 1978-03-21 1978-03-21 Method of calcium fluoride purification SU800136A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU782593006A SU800136A1 (en) 1978-03-21 1978-03-21 Method of calcium fluoride purification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU782593006A SU800136A1 (en) 1978-03-21 1978-03-21 Method of calcium fluoride purification

Publications (1)

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SU800136A1 true SU800136A1 (en) 1981-01-30

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SU782593006A SU800136A1 (en) 1978-03-21 1978-03-21 Method of calcium fluoride purification

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SU (1) SU800136A1 (en)

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