WO2005047884A1 - 高感度分析用溶媒及びその保存方法 - Google Patents
高感度分析用溶媒及びその保存方法 Download PDFInfo
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- WO2005047884A1 WO2005047884A1 PCT/JP2004/015435 JP2004015435W WO2005047884A1 WO 2005047884 A1 WO2005047884 A1 WO 2005047884A1 JP 2004015435 W JP2004015435 W JP 2004015435W WO 2005047884 A1 WO2005047884 A1 WO 2005047884A1
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- WIPO (PCT)
- Prior art keywords
- solvent
- bottle
- container
- glass
- methanol
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/28—Control of physical parameters of the fluid carrier
- G01N30/34—Control of physical parameters of the fluid carrier of fluid composition, e.g. gradient
Definitions
- the present invention relates to an analytical solvent stored in a glass bottle or a Teflon TM bottle that has been subjected to an alkali metal removal treatment, and more specifically, a high-sensitivity analytical method such as liquid chromatography Z mass spectrometry (LCZMS).
- LCZMS liquid chromatography Z mass spectrometry
- the present invention relates to an analytical solvent used for the method and a method for storing the analytical solvent.
- LCZMS Liquid Chromatography Z Mass Spectroscopy
- MS mass separation by MS (mass spectrometry)
- LCZMSZMS which combines MS with LCZMS to improve mass separation capability
- ESI electrospray ionization method
- a method for storing a solvent for high-sensitivity analysis comprising storing the solvent in a glass container or a Teflon TM container that has been subjected to an alkali metal removal treatment;
- the solvent of the present invention is stored in a glass container or a Teflon TM container from which alkali metals such as sodium and alkali have been removed, these alkali metals elute even after long-term storage.
- This is a solvent in which impurities in the solvent are unlikely to increase as a result of using it.By using this, the background caused by trace impurities, which has conventionally been a problem in high-sensitivity analysis such as LC / MS, LC / MS / MS, etc. And a decrease in sensitivity can be suppressed.
- FIG. 9 shows the results of mass spectrum when a mobile phase was prepared using phenol and a negative MS measurement was performed. Note that a is the result when a normal glass bottle is used, and b is the bloom treatment. The results when the used glass bottles are used are shown.
- FIG. 10 shows the results of mass spectrum when a mobile phase was prepared using the method and the MS was measured positively.
- c shows the result when a normal glass bottle is used
- d shows the result when a bloom-treated glass bottle is used.
- FIG. 10 shows the results of mass spectrum when a mobile phase was prepared using the method and the MS was measured positively.
- e shows the result when a normal glass bottle is used
- f shows the result when a bloom-treated glass bottle is used.
- FIG. 9 shows the results of mass spectrum when a mobile phase was prepared using the method and the MS was measured in a negative manner.
- g shows the result when a normal glass bottle is used
- h shows the result when a bloom-treated glass bottle is used.
- FIG. 2-1 shows the results of mass spectrometry when a sample containing 50 ng each of eight pesticides was measured by LC / MS using 0.15% acetic acid and acetonitrile solvent as mobile phases.
- Fig. 2-2 shows mass spectra of samples containing 50 ng each of eight pesticides using LC / MS using 0.15% acetic acid and lppm sodium-added caroacetonitrile solvent as the mobile phase. The results of Peta are shown.
- a, c, e, and g are the results of preparing a mobile phase using methanol stored for one month in a normal aluminum-capped glass bottle (1 L bottle or 3 L bottle), b, d , f, and h show the results when the mobile phase was prepared using methanol stored for one month in a bloom-treated glass bottle (1 L bottle or 3 L bottle) with an aluminum cap.
- the solvent of the present invention is usually used in high-sensitivity analysis, and is used in a glass bottle or a Teflon TM bottle. Although it is not particularly limited as long as it is preserved, aqueous solvents, organic solvents and the like are preferred.Aqueous solvents, hydrophilic organic solvents and the like are more preferred.Specifically, for example, water, formic acid, Aqueous solvents such as acetic acid, propionic acid, glycolic acid, lactic acid, hydrochloric acid, perchloric acid, nitric acid, sulfuric acid, aqueous ammonia, tetramethylamine, tetraethylamine, triethylamine, ethanolamine, diethanolamine, and triethylamine, for example.
- Aqueous solvents such as acetic acid, propionic acid, glycolic acid, lactic acid, hydrochloric acid, perchloric acid, nitric acid, sulfuric acid, aqueous ammonia, tetramethylamine
- Hydrophilic organic solvents such as methanol, ethanol, n-propanol, isopropanol, acetone, tetrahydrofuran, and acetonitrile; dichloromethane, chloroform, n-hexane, heptane, cyclohexane, methyl acetate, ethyl acetate, toluene, etc.
- Organic solvents such as hydrophobic organic solvents, and the like.
- the glass container according to the present invention is a glass container generally used in this field, and may be a transparent container or a colored container as long as it can be subjected to an alkali metal removal treatment. It should be noted that brown containers can elute heavy metal components.
- the Teflon TM container according to the present invention is not particularly limited as long as it is usually used in this field. Although it is not particularly limited as long as it is used, specifically, polytetrafluoroethylene, tetrafluoroethylene 'perfluoroalkylvinyl ether copolymer, tetrafluoroethylene.
- Examples include xafluoropropylene copolymer, tetrafluoroethylene.ethylene copolymer, polyvinylidene fluoride, and polychlorotrifluoroethylene.
- the glass container and the Teflon TM container according to the present invention are used as the light-shielding container, in the case of the Teflon TM container, before or after performing the alkali metal removal treatment as described above in the case of the glass container.
- the outer portion may be subjected to a light shielding treatment such as film coating.
- the shape of the glass container and the Teflon TM container may be a container in which reagents such as a solvent are usually stored, and more specifically, a narrow bottle such as a gallon bottle, a vial bottle, an ampule bottle, and the like. Among them, a narrow-mouthed bottle such as a gallon bottle is particularly preferred.
- These glass containers and Teflon TM containers are preferably sealed with a cap or the like.
- the cap is not particularly limited as long as it is generally used in this field and conforms to the above-mentioned container shape. Examples include a polypropylene cap, a Teflon TM coated polypropylene cap, an aluminum cap, a urea resin cap, and a polyethylene cap. However, a Teflon TM coated polypropylene cap or an aluminum cap is more preferable, and an aluminum cap is more preferable.
- the alkali metal removal treatment according to the present invention is carried out by a method capable of removing alkali metals such as lithium, sodium and potassium, preferably sodium or potassium, or by removing these alkali metals from a glass container.
- Bloom treatment in which a glass container is treated with ammonium sulfate, sulfurous acid gas, sulfurous anhydride, concentrated sulfuric acid, etc., for example, a method that prevents elution, for example, a glass container is treated with trimethylchlorosilane, dimethylchlorosilane, Coating treatments such as silicon coating treatment with silane or the like, Teflon TM coating treatment with Teflon TM, and polymer coating treatment with a polymer.
- ammonium sulfate, sulfur dioxide, sulfurous anhydride, Bloom treated with concentrated sulfuric acid Bloom treatment using ammonium sulfate, which is preferred for treatment, is more preferred.
- the Teflon TM container according to the present invention the above-mentioned treatment is not necessary.
- the alkali metal removal treatment for example, when the treatment is carried out by bloom treatment, it is known per se, for example, from Japanese Patent No. 3047357, page 3, column 5, line 49, column 6, line 25. What is necessary is just to carry out according to the method of description.
- the Teflon TM coating treatment or the polymer coating treatment is carried out according to a method known per se, for example, described in JP-A-6-127922, page 3, column 441-111.
- JP-A-6-127922 page 3, column 441-111.
- Teflon TM used in the Teflon TM coating
- the same Teflon TM bottle may be used, and as the polymer used in the polymer coating, those described in these publications may be used.
- the high-sensitivity analysis according to the present invention is not particularly limited as long as it is generally used for the analysis of trace components used in this field.
- liquid chromatography LC
- LC / MS LC / MS
- L C / MS / MS L C / MS
- ICPZAES inductively coupled plasma emission spectrometry
- ICPZMS inductively coupled plasma mass spectrometer
- capillary electrophoresis capillary electrophoresis, ion chromatography, etc.
- LCZMS liquid chromatography
- LC / MS liquid chromatography
- MSZAES inductively coupled plasma emission spectrometry
- ICPZMS inductively coupled plasma mass spectrometer
- capillary electrophoresis ion chromatography, etc.
- the above-mentioned solvent is usually stored in a glass container or a Teflon 1 ⁇ container which has been subjected to alkali metal removal treatment. It should be stored at room temperature (15-25 ° C) and low temperature (5-10 ° C).
- the bloom treatment of the glass bottle was performed according to the method described in Japanese Patent No. 3047357, page 3, column 5 line 49, column 1 line 625.
- Methanol stored for one month in two ordinary aluminum bottles with aluminum caps (1L bottle and 3L bottle) and two glass bottles with aluminum caps treated with bloom (1L and 3L bottles) was used as the sample solution.
- 1 ml of lOOOOppm ion chromatographic standard solution, 1 ml of chloride ion standard solution, 2 ml of nitrate ion standard solution and 3 ml of sulfate ion standard solution were weighed, and water was added to make 100 ml to obtain a mixed standard solution.
- CONOSTAN K K 5000 ppm standard sample, manufactured by Conostan
- PGMEA propylene glycol monomethyl ether acetate
- sample solution a was taken, sample solution a was added, and the solution was made up to 10 ml to obtain sample solution c.
- Sample solutions a, b, and c were each measured using an elemental analyzer (MIP-MS elemental analyzer P-6000, manufactured by Hitachi, Ltd.) under the following conditions, and the resulting standard calibration curve for CPS capillar was obtained. Was determined, and the content of each metal in the sample solution was determined. Table 2 shows the obtained values.
- elemental analyzer MIP-MS elemental analyzer P-6000, manufactured by Hitachi, Ltd.
- Peak detection mode Height
- the sodium power that can be eluted in a normal glass bottle is a component that is hardly eluted by methanol stored in a glass bottle treated with bromine. Furthermore, even after storage for 10 months, it was a component that almost no elution with l.Oppb was observed.
- the weight of the impurities in the obtained methanol was measured to be 4.4 mg (white crystals).
- the white crystals were estimated to be sodium hydrogen silicate, so that the obtained 4.4 mg was assumed to be all sodium hydrogen silicate, and the sodium concentration contained therein was calculated. Theoretical values were calculated.
- FIG. Figure 1-1 shows the results of a negative measurement using methanol stored in a 1L bottle as the mobile phase
- a shows the results when a normal glass bottle was used
- b shows the glass bottle with a bloom treatment. The result when using is shown.
- Figure 1-2 shows the results of positive measurement using methanol stored in a 1L bottle as a mobile phase
- c shows the results when a normal glass bottle was used
- d shows the results when a bloom-treated glass bottle was used.
- the result of the case is shown.
- Figure 1-3 shows the results of positive measurement using methanol stored in a 3L bottle as the mobile phase
- e shows the results when a normal glass bottle was used
- f shows the results when a bloom-treated glass bottle was used.
- Figure 14 shows the results of a negative measurement using methanol stored in a 1L bottle as the mobile phase
- g shows the results when a normal glass bottle was used
- h shows the results when a bloom-treated glass bottle was used. The result is shown.
- Scan type SIM (or Full)
- V Capillary voltage
- V Tube lens voltage
- Acetonitrile solution of 8 kinds of agrochemicals manufactured by Wako Pure Chemical Industries, Ltd. [Ashram, Benthuride (SAP), Iprodione, Mecoprop (MCPP), Pencyclon, Thiuram, Chlorotaloninole (TPN), 100 g / ml each of acetonitrile solution] 1.0 ml Acetonitrile was added to the mixture to make up to 10 ml to prepare a sample solution.
- the above sample solution 51 was measured under the following LCZMS conditions. The measurement was performed twice, using 0.15% acetic acid and acetonitrile solvent as the mobile phase, and using 0.15% acetic acid and sodium-added acetonitrile solvent.
- the sodium-added acetonitrile solvent was prepared as follows.
- A 0.15% acetic acid
- B acetonitrile or sodium-added acetonitrile
- Nebulizer gas 1.2 L / min
- FIGS. 2-1 and 2-2 show the obtained results when 0.15% acetic acid and acetonitrile solvent were used as the mobile phase
- Fig. 2-2 shows the results when 0.15% acetic acid and lppm sodium-added acetonitrile solvent were used as the mobile phase. Are shown respectively.
- LC / MS measurement conditions Eight kinds of standard solutions of pesticides were separated by HPLC, and ions were detected by TIC. As shown in Fig. 2, measurement was performed using a mobile phase to which sodium silicate was added. As a result, the baseline where noise was large rose and the peak of the pesticide sample to be measured could hardly be detected. In other words, the presence of a trace amount of sodium silicate had a major effect on the measurement.
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Abstract
Description
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JP2005515404A JP4586729B2 (ja) | 2003-10-24 | 2004-10-19 | バックグラウンド低減方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010090257A1 (ja) * | 2009-02-05 | 2010-08-12 | 独立行政法人産業技術総合研究所 | 液体クロマトグラフ質量分析装置用の溶媒供給装置、試薬瓶及び溶媒、並びに溶媒供給方法 |
WO2019038926A1 (ja) * | 2017-08-25 | 2019-02-28 | 株式会社島津製作所 | フローバイアル |
Families Citing this family (2)
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CN104198574B (zh) * | 2014-09-24 | 2016-07-06 | 辽宁中医药大学 | 五倍子药材的双重指纹图谱质量控制方法 |
KR101850063B1 (ko) | 2017-07-12 | 2018-04-19 | 유트로닉스주식회사 | 다면 발광 조명용 부재 및 이를 이용한 입체형 조명 장치 |
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JPS5161520A (en) * | 1974-11-26 | 1976-05-28 | Toyo Glass Co Ltd | Garasubinno hyomenshorihoho |
JPH06239560A (ja) * | 1993-02-16 | 1994-08-30 | Hitachi Building Syst Eng & Service Co Ltd | ガイドレール支持装置 |
JPH1129148A (ja) * | 1997-07-08 | 1999-02-02 | Toyo Glass Co Ltd | ノボラック樹脂系ポジ型ホトレジスト用ガラス容器及び内面処理方法 |
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JPH03172760A (ja) * | 1989-12-01 | 1991-07-26 | Sekisui Chem Co Ltd | 液体クロマトグラフィー用の移動相充填容器及び移動相容器 |
JPH0676233B2 (ja) * | 1990-05-30 | 1994-09-28 | 日本硝子産業株式会社 | ガラスアンプルまたは管瓶、及びその製造方法 |
JPH06239650A (ja) * | 1993-02-18 | 1994-08-30 | Nippon Taisanbin Kogyo Kk | 撥水性ガラスおよびその製造方法 |
JPH0741335A (ja) * | 1993-07-30 | 1995-02-10 | Nippon Sheet Glass Co Ltd | ガラス容器の処理方法 |
JPH09113494A (ja) * | 1995-10-24 | 1997-05-02 | Tosoh Corp | 分析試薬用溶液容器 |
JPH1010105A (ja) * | 1996-06-21 | 1998-01-16 | Sekisui Chem Co Ltd | 液体クロマトグラフィー用試薬容器 |
JP4680454B2 (ja) * | 2001-10-05 | 2011-05-11 | 旭化成ファーマ株式会社 | 無菌カルシトニン製剤及びその製造方法 |
JP2003128439A (ja) * | 2001-10-17 | 2003-05-08 | Nippon Electric Glass Co Ltd | ガラス容器及びその処理方法 |
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2004
- 2004-10-19 WO PCT/JP2004/015435 patent/WO2005047884A1/ja active Application Filing
- 2004-10-19 JP JP2005515404A patent/JP4586729B2/ja active Active
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2010
- 2010-04-15 JP JP2010094368A patent/JP2010190906A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5161520A (en) * | 1974-11-26 | 1976-05-28 | Toyo Glass Co Ltd | Garasubinno hyomenshorihoho |
JPH06239560A (ja) * | 1993-02-16 | 1994-08-30 | Hitachi Building Syst Eng & Service Co Ltd | ガイドレール支持装置 |
JPH1129148A (ja) * | 1997-07-08 | 1999-02-02 | Toyo Glass Co Ltd | ノボラック樹脂系ポジ型ホトレジスト用ガラス容器及び内面処理方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010090257A1 (ja) * | 2009-02-05 | 2010-08-12 | 独立行政法人産業技術総合研究所 | 液体クロマトグラフ質量分析装置用の溶媒供給装置、試薬瓶及び溶媒、並びに溶媒供給方法 |
JP2010181271A (ja) * | 2009-02-05 | 2010-08-19 | National Institute Of Advanced Industrial Science & Technology | 液体クロマトグラフ質量分析装置用の溶媒供給装置、試薬瓶及び溶媒、並びに溶媒供給方法 |
WO2019038926A1 (ja) * | 2017-08-25 | 2019-02-28 | 株式会社島津製作所 | フローバイアル |
JPWO2019038926A1 (ja) * | 2017-08-25 | 2020-03-26 | 株式会社島津製作所 | フローバイアル |
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Publication number | Publication date |
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JP4586729B2 (ja) | 2010-11-24 |
JP2010190906A (ja) | 2010-09-02 |
JPWO2005047884A1 (ja) | 2007-05-31 |
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