KR100648856B1 - 칼-피셔 전기량 적정용 일액형 시약 - Google Patents
칼-피셔 전기량 적정용 일액형 시약 Download PDFInfo
- Publication number
- KR100648856B1 KR100648856B1 KR1020020035751A KR20020035751A KR100648856B1 KR 100648856 B1 KR100648856 B1 KR 100648856B1 KR 1020020035751 A KR1020020035751 A KR 1020020035751A KR 20020035751 A KR20020035751 A KR 20020035751A KR 100648856 B1 KR100648856 B1 KR 100648856B1
- Authority
- KR
- South Korea
- Prior art keywords
- reagent
- karl
- mol
- fischer
- titration
- Prior art date
Links
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
-
- 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
- G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
- G01N31/222—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating moisture content
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Biophysics (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
Description
시료명 | 에틸아세테이트 | 이소프로필 알콜 | 크실렌 | ||||||
시료량 | 0.5g | 1.0g | 2.0g | 0.5g | 1.0g | 2.0g | 0.5g | 1.0g | 2.0g |
수분 함량 | 0.019% | 0.019% | 0.020% | 0.121% | 0.122% | 0.123% | 0.011% | 0.012% | 0.012% |
시료명 | 올리브유 | 참기름 | 대두유 | ||||||
시료량 | 0.1g | 0.15g | 0.2g | 0.1g | 0.15g | 0.2g | 0.1g | 0.15g | 0.2g |
수 분 함 량 | 0.059% | 0.055% | 0.056% | 0.101% | 0.105% | 0.110% | 0.232% | 0.231% | 0.229% |
Claims (4)
- (정정)시약의 전체 체적 1000 ml 당 1.5-3 mol의 이미다졸, 13.5-24.4 g의 요오드, 63.2-69.0 g의 콜린 클로라이드, 1-2mol의 건조 아황산 가스 및 잔여 체적의 용매를 포함하는 칼-피셔 전기량 적정용 일반용 일액형 수분측정 시약.
- 제 1 항에 있어서, 상기 용매는 메탄올인 것을 특징으로 하는 시약.
- (정정)시약의 전체 체적 1000 ml 당 1.5-3 mol의 이미다졸, 13.5-24.0g의 요오드, 63.2-69.0g의 콜린 클로라이드, 1-2mol의 건조 아황산 가스 및 잔여 체적의 용매를 포함하며, 여기서 용매는 클로로포름과 메탄올의 65-70 : 30-35 부피비의 혼합 용매인 칼-피셔 전기량 적정용 오일용 일액형 수분측정 시약.
- (삭제)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020035751A KR100648856B1 (ko) | 2002-06-25 | 2002-06-25 | 칼-피셔 전기량 적정용 일액형 시약 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020035751A KR100648856B1 (ko) | 2002-06-25 | 2002-06-25 | 칼-피셔 전기량 적정용 일액형 시약 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040000800A KR20040000800A (ko) | 2004-01-07 |
KR100648856B1 true KR100648856B1 (ko) | 2006-11-24 |
Family
ID=37312614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020035751A KR100648856B1 (ko) | 2002-06-25 | 2002-06-25 | 칼-피셔 전기량 적정용 일액형 시약 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100648856B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100356175C (zh) * | 2005-11-15 | 2007-12-19 | 上海新中化学科技有限公司 | 安全型卡尔费休试剂及制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4368105A (en) * | 1980-02-12 | 1983-01-11 | Mitsubishi Chemical Industries Limited | Electrolytic solution for Karl Fischer coulometric titration |
US4802957A (en) * | 1985-04-26 | 1989-02-07 | Mitsubishi Chemical Industries Limited | Method for measuring the water content of a solid sample using Karl Fischer's coulometric titration |
US5139955A (en) * | 1989-02-18 | 1992-08-18 | Riedel-De Haen Ag | Reagent, cell and method for the coulometric determination of water |
US5187101A (en) * | 1990-11-06 | 1993-02-16 | Mitsubishi Kasei Corporation | Electrolytic solution for karl fischer's coulometric titration and method for measuring water content using same |
WO2000072003A1 (en) * | 1999-05-21 | 2000-11-30 | Anders Cedergren | Karl fischer reagent |
-
2002
- 2002-06-25 KR KR1020020035751A patent/KR100648856B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4368105A (en) * | 1980-02-12 | 1983-01-11 | Mitsubishi Chemical Industries Limited | Electrolytic solution for Karl Fischer coulometric titration |
US4802957A (en) * | 1985-04-26 | 1989-02-07 | Mitsubishi Chemical Industries Limited | Method for measuring the water content of a solid sample using Karl Fischer's coulometric titration |
US5139955A (en) * | 1989-02-18 | 1992-08-18 | Riedel-De Haen Ag | Reagent, cell and method for the coulometric determination of water |
US5187101A (en) * | 1990-11-06 | 1993-02-16 | Mitsubishi Kasei Corporation | Electrolytic solution for karl fischer's coulometric titration and method for measuring water content using same |
WO2000072003A1 (en) * | 1999-05-21 | 2000-11-30 | Anders Cedergren | Karl fischer reagent |
Also Published As
Publication number | Publication date |
---|---|
KR20040000800A (ko) | 2004-01-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH02195247A (ja) | ガス状又は液状測定試料中のアンモニア及びその誘導体含量を測定するための電気化学的測定セル | |
Fujinaga et al. | Polarographic studies of dissolved oxygen in DMSO-water mixtures | |
Tan et al. | The role of low levels of water in the electrochemical oxidation of α-tocopherol (vitamin E) and other phenols in acetonitrile | |
US20050287677A1 (en) | Dissolvent for volumetric analysis | |
Rshamsipur et al. | Complex formation of some anilinium ion derivatives with 18-crown-6, 1, 10-diaza-18-crown-6 and cryptand C222 in acetonitrile, dimethylformamide and their 1: 1 mixture | |
KR100648856B1 (ko) | 칼-피셔 전기량 적정용 일액형 시약 | |
Dobó et al. | Chiral recognition via host–guest interactions detected by fast‐atom bombardment mass spectrometry: principles and limitations | |
US4368105A (en) | Electrolytic solution for Karl Fischer coulometric titration | |
US4748126A (en) | Pyridine-free Karl-Fischer reagent and a process for the determination of water therewith | |
JP4245289B2 (ja) | カールフィッシャー試薬 | |
KR100648855B1 (ko) | 칼-피셔 전기량 적정용 이액형 시약 | |
US4416997A (en) | Pyridine-free Karl Fischer reagent useful in determining water | |
US5962328A (en) | Electrolytic solution fork Karl Fischer coulometric titration and method for water content determination using the electrolytic solution | |
US5401662A (en) | Method and reagent for the determination of water | |
KR20030059842A (ko) | 칼-피셔 전기량 적정용 일액형 시약 | |
JPH0854383A (ja) | カールフィッシャー試薬 | |
US5466606A (en) | Use of N-methylformamide as solvent for the Karl Fischer titration | |
KR20040026397A (ko) | 칼-피셔 전기량 적정용 일액형 시약 | |
US5292413A (en) | Catholyte for the Karl Fischer coulometric water determination | |
Carre et al. | The acidity functions of trifluoroethanol and hexafluoroisopropanol, and their mixtures with water | |
Mihajlović et al. | Coulometric generation of acids and bases for acid–base titrations in non-aqueous solvents | |
Jones et al. | 261. The conductivity of methoxides and ethoxides | |
Laird et al. | The dissociation constants of alizarin fluorine blue | |
Bos et al. | The coulometric titration of acids and bases in m-cresol medium | |
Lada et al. | Complexation of Thallium (I) by 18-Crown-6, Dibenzo-18-crown-6 and Dicyclohexyl-18-crown-6 in Methanol and N, N-Dimethylformamide. Polarographic and MNDO Studies |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20121116 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20131118 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20141117 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20151116 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20161116 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20181217 Year of fee payment: 13 |