SU264377A1 - METHOD OF OBTAINING COMPLEX SALT - Google Patents

METHOD OF OBTAINING COMPLEX SALT

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Publication number
SU264377A1
SU264377A1 SU1296431A SU1296431A SU264377A1 SU 264377 A1 SU264377 A1 SU 264377A1 SU 1296431 A SU1296431 A SU 1296431A SU 1296431 A SU1296431 A SU 1296431A SU 264377 A1 SU264377 A1 SU 264377A1
Authority
SU
USSR - Soviet Union
Prior art keywords
calcium
urea
complex salt
nitrate
nitrite
Prior art date
Application number
SU1296431A
Other languages
Russian (ru)
Original Assignee
П. Горбонос, В. Егоров, Н. Смалий, В. Галушка А. П. Мастеров, В. Андреева , А. Д. Горбо
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 П. Горбонос, В. Егоров, Н. Смалий, В. Галушка А. П. Мастеров, В. Андреева , А. Д. Горбо filed Critical П. Горбонос, В. Егоров, Н. Смалий, В. Галушка А. П. Мастеров, В. Андреева , А. Д. Горбо
Priority to SU1296431A priority Critical patent/SU264377A1/en
Application granted granted Critical
Publication of SU264377A1 publication Critical patent/SU264377A1/en

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Description

Изобретение относитс  к способам получени  комплексных солей на Основе мочев1И,ны, примен емых дл  борьбы с гололедом.The invention relates to methods for the preparation of urea-based complex salts, which are used to combat ice.

Известен способ получени  двойной соли кальциевой селитры и мочевины путем растворени  кристаллической .мочевины :в плаве кальциевой селитры при 115-125°С с последующим охлаждением и кристаллизацией полученного продукта при 60-80°С.A known method of producing double salt of calcium nitrate and urea by dissolving crystalline urea: in melt calcium nitrate at 115-125 ° C, followed by cooling and crystallization of the resulting product at 60-80 ° C.

С целью расширени  ассортимента комплексных солей, в ллав мочевины ввод т нитрит-нитрат кальци  в мол рпом соотношении мочевины и HHTpMT-HnTpaTe кальци  4 ; 1- 1 : 1.In order to expand the range of complex salts, calcium nitrite-nitrate is introduced into the urea lithium in the molar ratio of urea and calcium HHTpMT-HnTpaTe 4; 1-1: 1.

Пример. В плав мочевины концентрацией 92% при 120°С ввод т кристаллический .нитрит-литрат кальци , содержащий 40- 45 мол. о/(, нитрата кальци  и 60-55 мол. % нитрита кальци . Смесь, содержащую мочевину и нитрит-нитрат кальци  в соотношеНИИ 4 : 1 - 1 : I, сплавл ют при 90-110°С в течение 30 мин.Example. Crystalline calcium nitrite-litrate containing 40-45 mol. Is introduced into the urea melt at a concentration of 92% at 120 ° C. o / (calcium nitrate and 60-55 mol.% calcium nitrite. The mixture containing urea and calcium nitrite in the ratio of 4: 1-1: I is fused at 90-110 ° C for 30 minutes.

Полученный .продукт охлаждают, кристаллизуют в сушилке кристаллизатора при 40°С до содержани  остаточной влаги до 1%.The product obtained is cooled, crystallized in a crystallizer dryer at 40 ° C to a residual moisture content of up to 1%.

Комплексна  соль иитрит-,нитрат кальци  и мочевины .представл ет собой мелкие кристаллы белого цвета со светло-лселтым оттенкомсоставаСа (МОз)з-Са(КЮ-)24CO (NHa)2.The complex salt of nitrite, calcium nitrate and urea. Is a small white crystal with a light yellow grain of Ca (MO3) h-Ca (KU-) 24CO (NHa) 2.

Содержание мочевины 28-40%, содержание нитрит-нитрат кальци  (соотношение 1:1) 37-65%, содержание влаги до 1э/о, т. пл. 100°С, т. разл. 110°С, эвтектическа  точка -22°С.The urea content is 28–40%, the calcium nitrite – nitrate content (1: 1 ratio) is 37–65%, the moisture content is up to 1 e / o, so pl. 100 ° C, so decomp. 110 ° С, eutectic point -22 ° С.

Полученна  соль примен етс  дл  борьбы с гололедом и может быть использована как ингибитор черных и цветных металлов.The resulting salt is used to combat icing and can be used as an inhibitor of ferrous and non-ferrous metals.

Предмет изобретени Subject invention

Claims (2)

1.Способ получени  комплексной соли на основе диамида, например мочевины, и нитрата метаоТла, например .нитрата кальци , отличающийс  тем, что, с целью расширени  ассортимента комплексных солей, нитрат кальци  прил1еп ют в смеси с нитритом металла, в частности с нитритом кальци .1. A process for the preparation of a complex salt based on diamide, for example urea, and metametho nitrate, such as calcium nitrate, characterized in that, in order to expand the range of complex salts, calcium nitrate is added in a mixture with metal nitrite, in particular with calcium nitrite. 2.Способ по п. 1, отличающийс  тем, что мочевину и нитрит-нитрат кальци  смешивают в мол рном соотношении 4:1 - 1:1.2. A method according to claim 1, characterized in that the urea and calcium nitrite are mixed in a molar ratio of 4: 1 to 1: 1.
SU1296431A 1969-01-09 1969-01-09 METHOD OF OBTAINING COMPLEX SALT SU264377A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1296431A SU264377A1 (en) 1969-01-09 1969-01-09 METHOD OF OBTAINING COMPLEX SALT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1296431A SU264377A1 (en) 1969-01-09 1969-01-09 METHOD OF OBTAINING COMPLEX SALT

Related Child Applications (1)

Application Number Title Priority Date Filing Date
SU864088549A Addition SU1342744A2 (en) 1986-05-11 1986-05-11 Mould for making centrifugal articles with symmetrical unround cross-section from concrete mixes

Publications (1)

Publication Number Publication Date
SU264377A1 true SU264377A1 (en) 1970-03-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU1296431A SU264377A1 (en) 1969-01-09 1969-01-09 METHOD OF OBTAINING COMPLEX SALT

Country Status (1)

Country Link
SU (1) SU264377A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0790287A1 (en) * 1996-02-14 1997-08-20 S.A. CICA Compagnie Industrielle de Chimie Appliquée Thawing composition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0790287A1 (en) * 1996-02-14 1997-08-20 S.A. CICA Compagnie Industrielle de Chimie Appliquée Thawing composition
BE1009971A3 (en) * 1996-02-14 1997-11-04 Cica Compagnie Ind De Chimie A Icing agent.

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