IT7851877A0 - Procedimento per la depurazione disoluzioni di cloruro di ammonio - Google Patents

Procedimento per la depurazione disoluzioni di cloruro di ammonio

Info

Publication number
IT7851877A0
IT7851877A0 IT7851877A IT5187778A IT7851877A0 IT 7851877 A0 IT7851877 A0 IT 7851877A0 IT 7851877 A IT7851877 A IT 7851877A IT 5187778 A IT5187778 A IT 5187778A IT 7851877 A0 IT7851877 A0 IT 7851877A0
Authority
IT
Italy
Prior art keywords
purification
procedure
ammonium chloride
chloride solutions
solutions
Prior art date
Application number
IT7851877A
Other languages
English (en)
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of IT7851877A0 publication Critical patent/IT7851877A0/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/48—Halides, with or without other cations besides aluminium
    • C01F7/50—Fluorides
    • C01F7/54—Double compounds containing both aluminium and alkali metals or alkaline-earth metals
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/16—Halides of ammonium
    • C01C1/162—Ammonium fluoride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Silicon Compounds (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Removal Of Specific Substances (AREA)
  • Glass Compositions (AREA)
IT7851877A 1977-11-15 1978-11-13 Procedimento per la depurazione disoluzioni di cloruro di ammonio IT7851877A0 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772750943 DE2750943A1 (de) 1977-11-15 1977-11-15 Verfahren zur reinigung von ammoniumfluoridloesungen

Publications (1)

Publication Number Publication Date
IT7851877A0 true IT7851877A0 (it) 1978-11-13

Family

ID=6023750

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7851877A IT7851877A0 (it) 1977-11-15 1978-11-13 Procedimento per la depurazione disoluzioni di cloruro di ammonio

Country Status (7)

Country Link
US (1) US4200622A (it)
EP (1) EP0002016B1 (it)
JP (1) JPS5476499A (it)
DE (2) DE2750943A1 (it)
ES (1) ES475058A1 (it)
IT (1) IT7851877A0 (it)
NO (1) NO783677L (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117165960A (zh) * 2023-04-27 2023-12-05 福建天甫电子材料有限公司 氟化铵粗品纯化方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2359690A1 (fr) 2010-02-23 2011-08-24 East Coast Pharmaceutical Research LLC Multiplication de l'efficacité des agents anti-infectieux par une composition comprenant conjointement un agent dispersant et un agent activateur métallique
MA39797A (fr) * 2014-04-04 2017-02-08 Fluorsid S P A Fluorite synthétique de haute pureté et son processus de préparation
BR112017020846B1 (pt) * 2015-04-02 2023-02-28 Fluorsid S.P.A Processo para preparar uma fluorita sintética de grau ácido, fluorita sintética de grau ácido e aparelho para preparar a dita fluorita sintética de grau ácido
CN113277476A (zh) * 2021-07-07 2021-08-20 昆山市诚鑫化工有限公司 一种高纯氟化铵的制备方法
CN117165961B (zh) * 2023-04-28 2024-09-27 福建天甫电子材料有限公司 一种电子级氟化铵的制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780522A (en) * 1953-12-17 1957-02-05 Int Minerals & Chem Corp Production of fluorine compounds
US2981597A (en) * 1958-10-13 1961-04-25 Tennessee Valley Authority Manufacture of ammonium cryolite
AT214409B (de) * 1959-09-17 1961-04-10 Chemie Linz Ag Verfahren zur Herstellung einer praktisch kieselsäurefreien Ammonfluoridlösung
NL262471A (it) * 1960-03-25
US3201193A (en) * 1963-07-03 1965-08-17 Int Minerals & Chem Corp Precipitation of soluble p2o5 values from nh4f solutions
NL6907681A (it) * 1968-05-27 1969-12-01
US3563699A (en) * 1969-05-28 1971-02-16 Montedison Spa Process for the preparation of very pure cryolite from sodium fluosilicate and ammonia
US3755546A (en) * 1971-08-31 1973-08-28 Allied Chem Process for removal of phosphates from solutions containing fluoride ions
DE2360974C2 (de) * 1973-12-07 1983-08-18 Ibm Deutschland Gmbh, 7000 Stuttgart Verfahren zum Reinigen von Ammoniumfluoridlösungen
DE2410410C2 (de) * 1974-03-05 1982-07-29 Kali-Chemie Ag, 3000 Hannover Verfahren zur Herstellung von weitgehend kieselsäurefreien Aluminiumfluoridlösungen
JPS5256096A (en) * 1975-11-04 1977-05-09 Central Glass Co Ltd Preparing of sodium fluoride from dosium silicofluoride

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117165960A (zh) * 2023-04-27 2023-12-05 福建天甫电子材料有限公司 氟化铵粗品纯化方法
CN117165960B (zh) * 2023-04-27 2024-10-11 福建天甫电子材料有限公司 氟化铵粗品纯化方法

Also Published As

Publication number Publication date
EP0002016A1 (de) 1979-05-30
DE2860154D1 (en) 1980-12-11
JPS5476499A (en) 1979-06-19
DE2750943A1 (de) 1979-05-17
ES475058A1 (es) 1979-04-01
US4200622A (en) 1980-04-29
EP0002016B1 (de) 1980-09-03
NO783677L (no) 1979-05-16

Similar Documents

Publication Publication Date Title
IT1079910B (it) Processo per la preparazione di etilenglicol
IT1099066B (it) Procedimento per la produzione di ammoniaca
IT1093902B (it) Processo per la preparazione di ottafluorofropano
IT1074698B (it) Processo per la preparazione di metaarilossi-benzaldeidi
IT1055887B (it) Procedimento perfezionato per la produzione di cloruro di polivinli
IT1091167B (it) Procedimento per il trattamento di effluenti nitrici
IT1075494B (it) Processo per la preparazione di composti antistaminici
IT1113631B (it) Processo per la preparazione di composti alchilfenolici
IT7851877A0 (it) Procedimento per la depurazione disoluzioni di cloruro di ammonio
IT1099550B (it) Processo per la determinazione di ferritina
IT1089011B (it) Processo per la preparazione di 2-metil-1-epten-6-one
BE881559A (fr) Purification de solutions de chlorure de nickel
IT1099364B (it) Procedimento per la fabbricazione di nitroguanidina
IT1094954B (it) Processo per la preparazione di 1-amino-2-bromo-4-idrossiantrachinone
IT1100887B (it) Processo per la preparazione di acetacetilaminobenzeni
IT1097048B (it) Processo per la preparazione di clorozincati di azo-coloranti di benzotiazolio
IT1096734B (it) Procedimento di purificazione di glicoproteine
IT1097374B (it) Processo per la preparazione di poliglicidileteri di fenoli poliidrossilici
IT1098397B (it) Processo per la sintesi di ammoniaca
IT1119707B (it) Processo per la preparazione di alogenuri di m-alogenobenzoile
IT1158862B (it) Processo per la preparazione di auranofina
IT1085531B (it) Processo per la preparazione di 2-alcossi-6-bromo-naftaleni
IT7868641A0 (it) Procedimento di purificazione delmercaptobenzotiazole
IT1054578B (it) Processo per la preparazione di composti metilendiossiaro matici
IT1067342B (it) Processo per la preparazione di 6-aminocapronamide