NO751058L - - Google Patents

Info

Publication number: NO751058L
Authority: NO; Norway
Prior art keywords: extraction; ester; salt; acidic; polyvalent metal
Prior art date: 1974-04-10

Application number

NO751058A

Other languages

English (en)

Norwegian (no)

Inventor

J Kaschuba

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.)

1974-04-10

Filing date

1975-03-26

Publication date

1975-10-13

1975-03-26 Application filed by Bayer Ag filed Critical Bayer Ag

1975-10-13 Publication of NO751058L publication Critical patent/NO751058L/no

Links

238000000605 extraction Methods 0.000 claims description 19
150000003839 salts Chemical class 0.000 claims description 18
229910052751 metal Inorganic materials 0.000 claims description 16
239000002184 metal Substances 0.000 claims description 16
-1 phosphorus compound Chemical class 0.000 claims description 15
235000002639 sodium chloride Nutrition 0.000 claims description 15
230000002378 acidificating effect Effects 0.000 claims description 13
238000000034 method Methods 0.000 claims description 13
230000007935 neutral effect Effects 0.000 claims description 8
230000001737 promoting effect Effects 0.000 claims description 8
239000007864 aqueous solution Substances 0.000 claims description 7
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 6
229910052698 phosphorus Inorganic materials 0.000 claims description 6
UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 5
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims description 4
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
239000007900 aqueous suspension Substances 0.000 claims description 4
239000011574 phosphorus Substances 0.000 claims description 4
150000001875 compounds Chemical class 0.000 claims description 3
229910021645 metal ion Inorganic materials 0.000 claims description 3
239000003960 organic solvent Substances 0.000 claims description 3
239000011780 sodium chloride Substances 0.000 claims description 3
UVGCXEBMVAHGSC-UHFFFAOYSA-N (2-ethyl-1-phenylhexyl) dihydrogen phosphate Chemical compound C1(=CC=CC=C1)C(C(CCCC)CC)OP(O)(O)=O UVGCXEBMVAHGSC-UHFFFAOYSA-N 0.000 claims description 2
UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 2
CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 2
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
125000001931 aliphatic group Chemical group 0.000 claims description 2
125000003118 aryl group Chemical group 0.000 claims description 2
239000001110 calcium chloride Substances 0.000 claims description 2
229910001628 calcium chloride Inorganic materials 0.000 claims description 2
125000004432 carbon atom Chemical group C* 0.000 claims description 2
SEGLCEQVOFDUPX-UHFFFAOYSA-N di-(2-ethylhexyl)phosphoric acid Chemical compound CCCCC(CC)COP(O)(=O)OCC(CC)CCCC SEGLCEQVOFDUPX-UHFFFAOYSA-N 0.000 claims description 2
229910052742 iron Inorganic materials 0.000 claims description 2
125000004430 oxygen atom Chemical group O* 0.000 claims description 2
125000004437 phosphorous atom Chemical group 0.000 claims description 2
239000008096 xylene Substances 0.000 claims description 2
229910052725 zinc Inorganic materials 0.000 claims description 2
239000011701 zinc Substances 0.000 claims description 2
NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims 4
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims 2
235000019270 ammonium chloride Nutrition 0.000 claims 2
BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims 2
229910052921 ammonium sulfate Inorganic materials 0.000 claims 2
235000011130 ammonium sulphate Nutrition 0.000 claims 2
229910052938 sodium sulfate Inorganic materials 0.000 claims 2
235000011152 sodium sulphate Nutrition 0.000 claims 2
125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims 1
150000002739 metals Chemical class 0.000 description 9
239000000243 solution Substances 0.000 description 8
150000003018 phosphorus compounds Chemical class 0.000 description 4
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
239000002253 acid Substances 0.000 description 3
150000007513 acids Chemical class 0.000 description 3
238000007792 addition Methods 0.000 description 3
239000000654 additive Substances 0.000 description 3
YTMRJBAHYSIRMZ-UHFFFAOYSA-N dioctylphosphinic acid Chemical compound CCCCCCCCP(O)(=O)CCCCCCCC YTMRJBAHYSIRMZ-UHFFFAOYSA-N 0.000 description 3
150000003013 phosphoric acid derivatives Chemical class 0.000 description 3
239000004215 Carbon black (E152) Substances 0.000 description 2
TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
229910019142 PO4 Inorganic materials 0.000 description 2
238000009835 boiling Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
229930195733 hydrocarbon Natural products 0.000 description 2
150000002430 hydrocarbons Chemical class 0.000 description 2
229910052500 inorganic mineral Inorganic materials 0.000 description 2
239000011707 mineral Substances 0.000 description 2
235000010755 mineral Nutrition 0.000 description 2
239000000203 mixture Substances 0.000 description 2
239000003208 petroleum Substances 0.000 description 2
235000021317 phosphate Nutrition 0.000 description 2
239000002904 solvent Substances 0.000 description 2
239000000725 suspension Substances 0.000 description 2
NCQKSUNJAAZVJW-UKTHLTGXSA-N (2e)-2-(2-phenylethylhydrazinylidene)propanoic acid Chemical compound OC(=O)C(/C)=N/NCCC1=CC=CC=C1 NCQKSUNJAAZVJW-UKTHLTGXSA-N 0.000 description 1
PJOFGDOSMWTOOQ-UHFFFAOYSA-N 4-phenylbutylphosphonic acid Chemical compound OP(O)(=O)CCCCC1=CC=CC=C1 PJOFGDOSMWTOOQ-UHFFFAOYSA-N 0.000 description 1
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
239000004803 Di-2ethylhexylphthalate Substances 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
229910052783 alkali metal Inorganic materials 0.000 description 1
150000001340 alkali metals Chemical class 0.000 description 1
229910052784 alkaline earth metal Inorganic materials 0.000 description 1
150000005215 alkyl ethers Chemical group 0.000 description 1
125000004414 alkyl thio group Chemical group 0.000 description 1
229910000147 aluminium phosphate Inorganic materials 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
239000008346 aqueous phase Substances 0.000 description 1
CPFPMHZXWMKIQR-UHFFFAOYSA-N benzyl(butoxy)phosphinic acid Chemical compound CCCCOP(O)(=O)CC1=CC=CC=C1 CPFPMHZXWMKIQR-UHFFFAOYSA-N 0.000 description 1
BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
244000309464 bull Species 0.000 description 1
WCVSRFBEIOHADI-UHFFFAOYSA-N butoxy(butyl)phosphinic acid Chemical compound CCCCOP(O)(=O)CCCC WCVSRFBEIOHADI-UHFFFAOYSA-N 0.000 description 1
235000011148 calcium chloride Nutrition 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
238000004821 distillation Methods 0.000 description 1
150000002148 esters Chemical class 0.000 description 1
229910001629 magnesium chloride Inorganic materials 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
HMQCZKVONBJPKW-UHFFFAOYSA-N octoxy(octyl)phosphinic acid Chemical compound CCCCCCCCOP(O)(=O)CCCCCCCC HMQCZKVONBJPKW-UHFFFAOYSA-N 0.000 description 1
239000006259 organic additive Substances 0.000 description 1
238000005192 partition Methods 0.000 description 1
OMVGPWGZQZLHMR-UHFFFAOYSA-N pentoxy(phenyl)phosphinic acid Chemical compound CCCCCOP(O)(=O)C1=CC=CC=C1 OMVGPWGZQZLHMR-UHFFFAOYSA-N 0.000 description 1
239000012071 phase Substances 0.000 description 1
238000005191 phase separation Methods 0.000 description 1
NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Substances OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
238000005375 photometry Methods 0.000 description 1
238000000926 separation method Methods 0.000 description 1
239000000126 substance Substances 0.000 description 1
238000006467 substitution reaction Methods 0.000 description 1
239000003799 water insoluble solvent Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/385—Thiophosphoric acids, or esters thereof
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
- C22B3/3842—Phosphinic acid, e.g. H2P(O)(OH)
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
- C22B3/3844—Phosphonic acid, e.g. H2P(O)(OH)2
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
- C22B3/3846—Phosphoric acid, e.g. (O)P(OH)3
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/387—Cyclic or polycyclic compounds
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Manufacturing & Machinery (AREA)
Geochemistry & Mineralogy (AREA)
Geology (AREA)
General Life Sciences & Earth Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Environmental & Geological Engineering (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Extraction Or Liquid Replacement (AREA)
Manufacture And Refinement Of Metals (AREA)

NO751058A 1974-04-10 1975-03-26 NO751058L (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2417510A DE2417510A1 (de)	1974-04-10	1974-04-10	Verfahren zur extraktion von metallen aus waessrigen loesungen mit sauren phosphorverbindungen

Publications (1)

Publication Number	Publication Date
NO751058L true NO751058L (de)	1975-10-13

Family

ID=5912685

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO751058A NO751058L (de)	1974-04-10	1975-03-26

Country Status (9)

Country	Link
JP (1)	JPS50141579A (de)
BE (1)	BE827731A (de)
DE (1)	DE2417510A1 (de)
FR (1)	FR2267380A1 (de)
LU (1)	LU72237A1 (de)
NL (1)	NL7504124A (de)
NO (1)	NO751058L (de)
SE (1)	SE388129B (de)
ZA (1)	ZA752252B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4053552A (en) *	1976-03-15	1977-10-11	General Mills Chemicals Co.	Solvent extraction of zinc from sulfite-bisulfite solution
US4246240A (en) *	1978-07-24	1981-01-20	Nippon Mining Co., Ltd.	Process for separating cobalt and nickel from a solution containing cobalt and nickel
FR2462481A1 (fr) *	1979-07-30	1981-02-13	British Petroleum Co	Procede d'extraction liquide-liquide de metaux en solution aqueuse au moyen de derives organophosphores
MA19258A1 (fr) *	1980-08-28	1982-04-01	Canada Cyanamid	Procede de separation selective de cobalt (ii) de solutions aqueuses .
DE3140380C2 (de) *	1981-10-10	1985-04-11	Gebrüder Sulzer AG, Winterthur	Verfahren zur Gewinnung von Nickel, hochreinem Magnesiumoxid und Zement
FR2562059B1 (fr) *	1984-04-02	1989-12-01	Rhone Poulenc Spec Chim	Procede de separation des terres rares par extraction liquide-liquide
FI70049C (fi) *	1984-07-03	1986-09-12	Outokumpu Oy	Vaetske-vaetske-extraktionsfoerfarande foer avlaegsnande och utvinning av metaller ur vattenloesningar
EP3207047B1 (de)	2014-10-17	2018-09-12	Merck Patent GmbH	Alkenyl(perfluoralkyl)phosphinsäure

1974
- 1974-04-10 DE DE2417510A patent/DE2417510A1/de active Pending
1975
- 1975-03-26 NO NO751058A patent/NO751058L/no unknown
- 1975-04-07 NL NL7504124A patent/NL7504124A/xx unknown
- 1975-04-08 LU LU72237A patent/LU72237A1/xx unknown
- 1975-04-08 JP JP50041924A patent/JPS50141579A/ja active Pending
- 1975-04-09 SE SE7504086A patent/SE388129B/xx unknown
- 1975-04-09 BE BE155231A patent/BE827731A/xx unknown
- 1975-04-09 ZA ZA00752252A patent/ZA752252B/xx unknown
- 1975-04-10 FR FR7511270A patent/FR2267380A1/fr active Granted

Also Published As

Publication number	Publication date
DE2417510A1 (de)	1975-10-30
SE388129B (sv)	1976-09-27
SE7504086L (sv)	1975-10-13
NL7504124A (nl)	1975-10-14
BE827731A (fr)	1975-10-09
FR2267380B1 (de)	1979-03-09
JPS50141579A (de)	1975-11-14
ZA752252B (en)	1976-03-31
LU72237A1 (de)	1976-03-17
FR2267380A1 (en)	1975-11-07

Publication	Publication Date	Title
US5639433A (en)	1997-06-17	Extraction of rare earth elements using alkyl phosphinic acid or salt/alkyl or aryl phosphonic acid or ester blends as extractant
NO751058L (de)	1975-10-13
US5622679A (en)	1997-04-22	Extraction of rare earth elements using alkyl phosphinic acid or salt/tetraalkylammonium salt as extractant
KR890013041A (ko)	1989-09-21	옥사-알칸 폴리포스폰산, 쓰레솔더(thresholders)로서의 용도 및 이 화합물을 함유하는 착물화 조성물
CA2277417A1 (en)	2001-01-09	Stripping lanthanide-loaded solutions
Calingaert	1925	The Organic Compounds of Lead.
Davies et al.	1929	VI.—Tertiary phosphines containing the n-butyl radical
GB1525486A (en)	1978-09-20	Phosphonomethyl glycine derivatives
US6177047B1 (en)	2001-01-23	Water-treatment composition and method of use
NO823584L (no)	1983-04-29	Fremgangsmaate til adskillelse av tungmetall bestanddeler fra mellomprodukter fra fabrikasjon av fosfor-gjoedningsmidler
US7312251B2 (en)	2007-12-25	Synthesis of stable solutions of rare earth tris (organophosphate) in hydrocarbon solvents
Kosolapoff	1950	Some Variations of the Grignard Synthesis of Phosphinic Acids
Pianka et al.	1955	Organophosphorus compounds. II. Interaction of dimethylphosphoramidic dichloride with hexamethylphosphoramide: Adduct formation and radical exchange
Duncan et al.	1975	Ambident nucleophiles: I. Reaction of sodium diisopropylphosphorothioate with some halides of group IV
EP1173448B1 (de)	2004-02-25	Stabile lösungen von seltenenerden tris(organophosphor-derivaten)
US2802018A (en)	1957-08-06	Method of recovering methyl borate from admixture with methanol
Pai et al.	1977	Thermodynamics of synergistic estraction of europium (III) with thenoyltrifluoroacetone and tributyl phosphate in various diluents
US4865824A (en)	1989-09-12	Process for recovering gallium from basic aqueous sodium aluminate solutions by means of liquid-liquid extraction
JPS5973436A (ja)	1984-04-25	ガリウム及びインジウムを水溶液から分離する方法
Larina et al.	2012	The products of phosphorylation of N, N-dialkylureas and dialkylcyanamides with phosphorus pentachloride. NMR spectroscopy study
Hirashima et al.	1975	Distribution equilibria of SmCl3 EuCl3 HCl and EuCl3 GdCl3 HCl systems with 1M di (2-ethylhexyl) phosphoric acid in n-heptane
Samuel et al.	1963	The Reaction of Nitric Oxide with Dialkyl Phosphonates
Vickery	1951	398. Lanthanon complexes with ethylenediaminetetra-acetic acid. Part I
Kolařík et al.	1971	Acidic organophosphorus extractants—XII: effect of the extractant structure on the extraction of lanthanides (III)
Pinkus et al.	1965	Structure of products from reactions of phosphorus pentachloride with phenyl salicylate and 2‐hydroxybenzophenone; related compounds. p31 NMR and chemical studies