KR20030031136A - 수소 라디칼의 검출 방법 및 정량 분석 방법 - Google Patents
수소 라디칼의 검출 방법 및 정량 분석 방법 Download PDFInfo
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- KR20030031136A KR20030031136A KR10-2003-7001271A KR20037001271A KR20030031136A KR 20030031136 A KR20030031136 A KR 20030031136A KR 20037001271 A KR20037001271 A KR 20037001271A KR 20030031136 A KR20030031136 A KR 20030031136A
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- Prior art keywords
- hydrogen
- dbnbs
- absorbance
- water
- calibration curve
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- 238000000034 method Methods 0.000 title claims abstract description 22
- YZCKVEUIGOORGS-IGMARMGPSA-N Protium Chemical compound [1H] YZCKVEUIGOORGS-IGMARMGPSA-N 0.000 title claims description 36
- 238000001514 detection method Methods 0.000 title claims description 15
- 238000004445 quantitative analysis Methods 0.000 title claims description 11
- NTFXNXQDQBCQSU-UHFFFAOYSA-N 3,5-dibromo-4-nitrosobenzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC(Br)=C(N=O)C(Br)=C1 NTFXNXQDQBCQSU-UHFFFAOYSA-N 0.000 claims abstract description 75
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 72
- 239000001257 hydrogen Substances 0.000 claims abstract description 72
- -1 DBNBS azo compound Chemical class 0.000 claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 42
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000002835 absorbance Methods 0.000 claims abstract description 33
- 238000010521 absorption reaction Methods 0.000 claims abstract description 30
- 239000007864 aqueous solution Substances 0.000 claims abstract description 30
- 238000011088 calibration curve Methods 0.000 claims abstract description 28
- 239000000243 solution Substances 0.000 claims abstract description 19
- HHEAADYXPMHMCT-UHFFFAOYSA-N dpph Chemical compound [O-][N+](=O)C1=CC([N+](=O)[O-])=CC([N+]([O-])=O)=C1[N]N(C=1C=CC=CC=1)C1=CC=CC=C1 HHEAADYXPMHMCT-UHFFFAOYSA-N 0.000 claims abstract description 17
- 159000000000 sodium salts Chemical class 0.000 claims abstract description 12
- 230000002829 reductive effect Effects 0.000 claims description 39
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 238000007664 blowing Methods 0.000 claims description 12
- XUJNEKJLAYXESH-UHFFFAOYSA-N cysteine Natural products SCC(N)C(O)=O XUJNEKJLAYXESH-UHFFFAOYSA-N 0.000 claims description 10
- 235000018417 cysteine Nutrition 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 8
- 238000004040 coloring Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 abstract description 2
- YDBAKYTXJNRSFX-UHFFFAOYSA-N [Na].OS(=O)(=O)C1=CC(Br)=C(N=O)C(Br)=C1 Chemical compound [Na].OS(=O)(=O)C1=CC(Br)=C(N=O)C(Br)=C1 YDBAKYTXJNRSFX-UHFFFAOYSA-N 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 24
- 239000000523 sample Substances 0.000 description 24
- 238000004128 high performance liquid chromatography Methods 0.000 description 18
- 239000000376 reactant Substances 0.000 description 16
- 238000010438 heat treatment Methods 0.000 description 15
- 239000000538 analytical sample Substances 0.000 description 13
- 229910052697 platinum Inorganic materials 0.000 description 13
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 12
- 238000004458 analytical method Methods 0.000 description 11
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 10
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 10
- 238000007348 radical reaction Methods 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000000862 absorption spectrum Methods 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000005481 NMR spectroscopy Methods 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 230000003595 spectral effect Effects 0.000 description 7
- 229910021642 ultra pure water Inorganic materials 0.000 description 7
- 239000012498 ultrapure water Substances 0.000 description 7
- 239000002184 metal Substances 0.000 description 6
- 239000003643 water by type Substances 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000001819 mass spectrum Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 150000003254 radicals Chemical class 0.000 description 5
- 239000011780 sodium chloride Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical compound [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 229910001873 dinitrogen Inorganic materials 0.000 description 4
- 239000000543 intermediate Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 239000006228 supernatant Substances 0.000 description 4
- 238000005160 1H NMR spectroscopy Methods 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 230000021736 acetylation Effects 0.000 description 3
- 238000006640 acetylation reaction Methods 0.000 description 3
- DMLAVOWQYNRWNQ-UHFFFAOYSA-N azobenzene Chemical compound C1=CC=CC=C1N=NC1=CC=CC=C1 DMLAVOWQYNRWNQ-UHFFFAOYSA-N 0.000 description 3
- 239000007805 chemical reaction reactant Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 239000000539 dimer Substances 0.000 description 3
- 238000001840 matrix-assisted laser desorption--ionisation time-of-flight mass spectrometry Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000002000 scavenging effect Effects 0.000 description 3
- 239000011550 stock solution Substances 0.000 description 3
- 235000013619 trace mineral Nutrition 0.000 description 3
- 239000011573 trace mineral Substances 0.000 description 3
- VCUVETGKTILCLC-UHFFFAOYSA-N 5,5-dimethyl-1-pyrroline N-oxide Chemical compound CC1(C)CCC=[N+]1[O-] VCUVETGKTILCLC-UHFFFAOYSA-N 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- YZCKVEUIGOORGS-UHFFFAOYSA-N Hydrogen atom Chemical compound [H] YZCKVEUIGOORGS-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- GAUZCKBSTZFWCT-UHFFFAOYSA-N azoxybenzene Chemical compound C=1C=CC=CC=1[N+]([O-])=NC1=CC=CC=C1 GAUZCKBSTZFWCT-UHFFFAOYSA-N 0.000 description 2
- 239000000872 buffer Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000007806 chemical reaction intermediate Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000001362 electron spin resonance spectrum Methods 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 230000031700 light absorption Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- OCZVHBZNPVABKX-UHFFFAOYSA-N 1,1-diphenyl-2-(2,4,6-trinitrophenyl)hydrazine;ethanol Chemical compound CCO.[O-][N+](=O)C1=CC([N+](=O)[O-])=CC([N+]([O-])=O)=C1NN(C=1C=CC=CC=1)C1=CC=CC=C1 OCZVHBZNPVABKX-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical group O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000007018 DNA scission Effects 0.000 description 1
- 238000004435 EPR spectroscopy Methods 0.000 description 1
- 239000012028 Fenton's reagent Substances 0.000 description 1
- XUJNEKJLAYXESH-REOHCLBHSA-N L-Cysteine Chemical compound SC[C@H](N)C(O)=O XUJNEKJLAYXESH-REOHCLBHSA-N 0.000 description 1
- 239000012901 Milli-Q water Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 229960005070 ascorbic acid Drugs 0.000 description 1
- 235000010323 ascorbic acid Nutrition 0.000 description 1
- 239000011668 ascorbic acid Substances 0.000 description 1
- 125000000751 azo group Chemical group [*]N=N[*] 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- MGZTXXNFBIUONY-UHFFFAOYSA-N hydrogen peroxide;iron(2+);sulfuric acid Chemical compound [Fe+2].OO.OS(O)(=O)=O MGZTXXNFBIUONY-UHFFFAOYSA-N 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NLRKCXQQSUWLCH-UHFFFAOYSA-N nitrosobenzene Chemical compound O=NC1=CC=CC=C1 NLRKCXQQSUWLCH-UHFFFAOYSA-N 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000019612 pigmentation Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 150000004685 tetrahydrates Chemical class 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 150000004684 trihydrates Chemical class 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
- G01N21/783—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour for analysing gases
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
- G01N21/80—Indicating pH value
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/22—Hydrogen, per se
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Engineering & Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
Description
Milli Q | 레벨 1 | 레벨 2 | 레벨 3 | 레벨 4 | |
pH | - | 8.52 | 9.27 | 9.84 | 10 |
산화 환원 전위ORP(mV) | - | 56 | 38 | 4 | 1 |
흡광도(평균)(450 nm) | 0.0358 | 0.0927 | 0.1037 | 0.0975 | 0.1462 |
흡광도 차이(Milli Q을 기준으로) | - | 0.0569 | 0.0679 | 0.0617 | 0.1104 |
(125배 농축액)수소 라디칼 농도(μM) | - | 17 | 11 | 8 | 34 |
Claims (6)
- 물 또는 수용액 중의 수소 라디칼의 검출 방법으로서, 시료에 3,5-디브로모-4-니트로소벤젠술폰산의 나트륨염(DBNBS)을 첨가하고, 그 시료의 착색에 의한 수소 라디칼의 검출 방법.
- 제1항에 있어서, 물 또는 수용액은 전해 환원수인 수소 라디칼의 검출 방법.
- 제1항에 있어서, 착색은 3,5-디브로모-4-니트로소벤젠술폰산의 나트륨염 (DBNBS)이 수소 라디칼과 반응하여 생성되는 DBNBS 아조 화합물의 흡수 피크에 의한 것인 수소 라디칼의 검출 방법.
- 제1항에 있어서, 파장 425 내지 450 nm의 흡수 피크를 검출하는 것을 특징으로 하는 수소 라디칼의 검출 방법.
- (1) 517 nm 근방에 흡수를 갖는 1,1-디페닐-2-피크릴히드라질(DPPH) 용액에 백금흑의 존재하에서 일정한 속도로 수소 가스를 취입하고, 517 nm 근방의 흡광도의 감소와 수소 가스의 취입 시간과의 상관 그래프를 구하는 공정 (검량선 A의 작성),(2) 시스테인과 DPPH를 반응시켜 DPPH의 517 nm 근방에서의 흡광도의 감소와시스테인 농도와의 상관 그래프를 구하는 공정 (검량선 B의 작성),(3) 3,5-디브로모-4-니트로소벤젠술폰산의 나트륨염(DBNBS) 용액에 상기 (1)과 동일한 조건에서 백금흑의 존재하에 일정한 속도로 수소 가스를 일정 시간 취입한 후, 450 nm 근방의 흡광도를 측정하고, 그 흡광도의 값과 검량선 A 및 검량선 B로부터 산출한 수소 가스의 취입 시간당 수소 라디칼 발생 농도와의 상관 그래프를 구하는 공정 (검량선 C의 작성),(4) 시료에 3,5-디브로모-4-니트로소벤젠술폰산의 나트륨염(DBNBS)을 첨가하고, 450 nm 근방의 흡광도를 측정하여 그 흡광도의 값으로부터 상기 검량선 C를 이용하여 수소 라디칼의 농도를 읽어내는 공정을 포함하는 물 또는 수용액 중의 수소 라디칼의 정량 분석 방법.
- 제5항에 있어서, 물 또는 수용액은 10 내지 500배로 농축되어 있는 정량 분석 방법.
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PCT/JP2002/005126 WO2002097427A1 (fr) | 2001-05-29 | 2002-05-27 | Procede de detection et procede d'analyse quantitative de radicaux hydrogene |
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WO2005082384A1 (ja) * | 2004-02-27 | 2005-09-09 | Nihon Trim Co., Ltd. | 人工生理的塩類溶液およびその製造方法 |
WO2007065268A1 (en) * | 2005-12-08 | 2007-06-14 | Queen's University At Kingston | Optical sensor using functionalized composite materials |
JP2007170912A (ja) * | 2005-12-20 | 2007-07-05 | Toyo Univ | 食品の抗酸化活性測定方法と、食品の抗酸化活性測定システム |
CN100498287C (zh) * | 2007-11-15 | 2009-06-10 | 广西师范大学 | 检测羟基自由基的纳米银分光光度法 |
WO2009080648A1 (de) * | 2007-12-20 | 2009-07-02 | Proionic Production Of Ionic Substances Gmbh & Co Kg | Anwendung magnetischer, ionischer flüssigkeiten als extraktionsmittel |
CN101587065B (zh) * | 2009-06-25 | 2011-11-30 | 上海理工大学 | 等离子体功能化碳纳米管表面氧自由基的检测方法 |
JP5468344B2 (ja) * | 2009-09-30 | 2014-04-09 | 倉敷紡績株式会社 | 水溶液中の水溶性ラジカル種濃度の測定方法、及び、水溶性ラジカル種濃度測定装置 |
US8343771B2 (en) * | 2011-01-12 | 2013-01-01 | General Electric Company | Methods of using cyanine dyes for the detection of analytes |
JP2014119271A (ja) * | 2012-12-13 | 2014-06-30 | Fresh:Kk | 水 |
US9075037B2 (en) * | 2013-09-11 | 2015-07-07 | King Fahd University Of Petroleum And Minerals | Micro-solid phase extraction of haloacetic acids |
WO2015045978A1 (ja) * | 2013-09-24 | 2015-04-02 | 株式会社Taane | マイナス水素イオンの検出方法 |
CN103913428B (zh) * | 2014-03-06 | 2016-08-17 | 北京工业大学 | 一种利用乙酰胆碱酯酶快速判断水中含氢量的方法 |
CN103954732B (zh) * | 2014-04-21 | 2015-12-02 | 浙江大学 | 一种测定乳液聚合中自由基从乳胶粒子脱吸进入连续相速率的方法 |
KR101704122B1 (ko) * | 2014-10-08 | 2017-02-07 | 현대자동차주식회사 | 수소 검출 채색 센서 |
KR20230163571A (ko) | 2017-12-01 | 2023-11-30 | 엠케이에스 인스트루먼츠 인코포레이티드 | 라디칼 가스 및 단기 분자를 위한 다중 센서 가스 샘플링 검출 시스템 및 사용 방법 |
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CA2420213A1 (en) | 2003-02-19 |
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US7276379B2 (en) | 2007-10-02 |
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