NL8005780A - Karl-fischer reagens. - Google Patents
Karl-fischer reagens. Download PDFInfo
- Publication number
- NL8005780A NL8005780A NL8005780A NL8005780A NL8005780A NL 8005780 A NL8005780 A NL 8005780A NL 8005780 A NL8005780 A NL 8005780A NL 8005780 A NL8005780 A NL 8005780A NL 8005780 A NL8005780 A NL 8005780A
- Authority
- NL
- Netherlands
- Prior art keywords
- karl
- reagent
- fischer
- pyridine
- fischer reagent
- Prior art date
Links
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 41
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 36
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 claims description 28
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 22
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 18
- -1 alkylene carbonate Chemical compound 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 14
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical group CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 11
- 229910052740 iodine Inorganic materials 0.000 claims description 10
- 239000011630 iodine Substances 0.000 claims description 10
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 9
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 claims description 9
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 25
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000004448 titration Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012429 reaction media Substances 0.000 description 3
- NQIBQILAMKZKFE-UHFFFAOYSA-N 2-(5-bromo-2-fluorophenyl)-3-fluoropyridine Chemical compound FC1=CC=C(Br)C=C1C1=NC=CC=C1F NQIBQILAMKZKFE-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 1
- XVMSFILGAMDHEY-UHFFFAOYSA-N 6-(4-aminophenyl)sulfonylpyridin-3-amine Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=N1 XVMSFILGAMDHEY-UHFFFAOYSA-N 0.000 description 1
- 125000005910 alkyl carbonate group Chemical group 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
- G01N31/168—Determining water content by using Karl Fischer reagent
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Pyridine Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14094679 | 1979-10-31 | ||
| JP14094679A JPS5664658A (en) | 1979-10-31 | 1979-10-31 | Karl fisher reagent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8005780A true NL8005780A (nl) | 1981-06-01 |
Family
ID=15280482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8005780A NL8005780A (nl) | 1979-10-31 | 1980-10-21 | Karl-fischer reagens. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4351744A (OSRAM) |
| JP (1) | JPS5664658A (OSRAM) |
| CH (1) | CH646257A5 (OSRAM) |
| DE (1) | DE3040474A1 (OSRAM) |
| FR (1) | FR2468907A1 (OSRAM) |
| GB (1) | GB2062859B (OSRAM) |
| NL (1) | NL8005780A (OSRAM) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56112641A (en) * | 1980-02-12 | 1981-09-05 | Mitsubishi Chem Ind Ltd | Electrolytic solution for coulometric titration by karl fischer method |
| ATE11457T1 (de) | 1980-09-02 | 1985-02-15 | J.T. Baker Chemicals B.V. | Reagenz fuer die quantitative bestimmung von wasser und seine anwendung hierfuer. |
| DE3136942A1 (de) * | 1981-09-17 | 1983-04-28 | Riedel-De Haen Ag, 3016 Seelze | "zweikomponenten-titriermittel" |
| DE3204962A1 (de) * | 1982-02-12 | 1983-08-25 | Merck Patent Gmbh, 6100 Darmstadt | Karl-fischer-reagenz und verfahren zur bestimmung von wasser mit hilfe dieses reagenzes |
| DE3329020A1 (de) * | 1983-08-11 | 1985-02-21 | Riedel-De Haen Ag, 3016 Seelze | Loesemittel fuer die wasserbestimmung nach karl-fischer |
| US4720464A (en) * | 1983-12-28 | 1988-01-19 | Mitsubishi Chemical Industries, Limited | Electrolytes for Karl Fischer coulometric titration |
| DE3411181A1 (de) * | 1984-03-27 | 1985-10-10 | Merck Patent Gmbh, 6100 Darmstadt | Karl-fischer-reagenz und verfahren zur bestimmung von wasser mit hilfe dieses reagenzes |
| US5453377A (en) * | 1993-07-26 | 1995-09-26 | Dahms; Harald | Methods for making iodine-free Karl Fischer reagents |
| US5389545A (en) * | 1993-07-26 | 1995-02-14 | Dahms; Harald | Reagents, methods and kits for water determination |
| US11885782B2 (en) * | 2020-10-29 | 2024-01-30 | Honeywell International Inc. | Method of determining an amount of water in a sample using a sulfonic acid |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2780601A (en) * | 1952-12-09 | 1957-02-05 | Pharmacia Ab | Improved chemical reagent for the quantitative determination of water |
| DE1075341B (de) * | 1956-11-09 | 1960-02-11 | Aktiebolaget Pharmacia, Uppsala (Schweden) | Stabilisiertes Karl Fischer-Reagenz |
| FR1247954A (fr) * | 1959-09-17 | 1960-12-09 | Pharmacia Ab | Réactif karl fischer stabilisé |
| CA918048A (en) * | 1969-07-14 | 1973-01-02 | S. Delmonte Clive | Reagent |
| US3682783A (en) * | 1971-03-15 | 1972-08-08 | Photovolt Corp | Method for coulometric karl fischer titration |
| US3749659A (en) * | 1971-03-15 | 1973-07-31 | Photovolt Corp | Reagent composition for coulometric karl fischer titration |
| DE2966986D1 (en) * | 1979-07-26 | 1984-06-20 | Baker Chem Co J T | Reagent for the quantitative determination of water, and its use |
-
1979
- 1979-10-31 JP JP14094679A patent/JPS5664658A/ja active Pending
-
1980
- 1980-10-01 US US06/192,880 patent/US4351744A/en not_active Expired - Lifetime
- 1980-10-21 NL NL8005780A patent/NL8005780A/nl not_active Application Discontinuation
- 1980-10-27 DE DE19803040474 patent/DE3040474A1/de not_active Withdrawn
- 1980-10-30 FR FR8023244A patent/FR2468907A1/fr active Granted
- 1980-10-30 CH CH808880A patent/CH646257A5/de not_active IP Right Cessation
- 1980-10-31 GB GB8035165A patent/GB2062859B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2062859B (en) | 1983-08-10 |
| US4351744A (en) | 1982-09-28 |
| CH646257A5 (de) | 1984-11-15 |
| GB2062859A (en) | 1981-05-28 |
| FR2468907A1 (fr) | 1981-05-08 |
| JPS5664658A (en) | 1981-06-01 |
| FR2468907B1 (OSRAM) | 1984-04-27 |
| DE3040474A1 (de) | 1981-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NL8005780A (nl) | Karl-fischer reagens. | |
| CA1203743A (en) | Karl-fischer reagent and procedure for the determination of water using it | |
| US2967155A (en) | Stabilized karl fischer reagent | |
| Gergely et al. | Log β, ΔH and ΔS values of mixed complexes of Cu (II) with histamine and some aliphatic aminoacids | |
| US4703014A (en) | Karl-Fischer reagent and process for the determination of water | |
| US2780601A (en) | Improved chemical reagent for the quantitative determination of water | |
| JP2002202299A (ja) | カールフィッシャー試薬 | |
| US4725552A (en) | Karl Fischer reagent and its use | |
| JPH0854383A (ja) | カールフィッシャー試薬 | |
| JPS6216378B2 (OSRAM) | ||
| Stiles et al. | The formation constants of ionomycin with divalent cations in 80% methanol/water | |
| JPH05505243A (ja) | 血清鉄アッセイに関する試薬及び方法 | |
| Berl | Viscosity determination of cellulose | |
| JPS61292555A (ja) | カ−ルフイツシヤ−法による水分定量用溶媒 | |
| GB2314624A (en) | Karl Fischer titrations | |
| JP2022527453A (ja) | カールフィッシャー滴定のための試薬組成物及び方法 | |
| Bryant et al. | Analytical Procedures Employing Karl Fischer Reagent. 1 II. The Determination of Alcoholic Hydroxyl | |
| CA1171343A (en) | Reagent for the quantitative determination of water and its use therefor | |
| JPH0448721B2 (OSRAM) | ||
| Katsuki et al. | The determination of α-ketoglutaric acid by 2, 4-dinitrophenylhydrazine; salting-out extraction method | |
| US4647542A (en) | Karl Fischer reagent and method for determining water by means of this reagent | |
| Heuvelsland et al. | Hydrophobic hydration of asymmetric and substituted quaternary ammonium bromides in mixtures of water and N, N-dimethylformamide | |
| JP2984735B2 (ja) | 軽油識別剤 | |
| Seaman et al. | Determination of Beta-Dicarbonyl Compounds | |
| JPS6243137B2 (OSRAM) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed |