CN103115988A - 一种用于lc-icpms检测样品中痕量六价铬的试剂盒及六价铬的检测方法 - Google Patents
一种用于lc-icpms检测样品中痕量六价铬的试剂盒及六价铬的检测方法 Download PDFInfo
- Publication number
- CN103115988A CN103115988A CN2013100477158A CN201310047715A CN103115988A CN 103115988 A CN103115988 A CN 103115988A CN 2013100477158 A CN2013100477158 A CN 2013100477158A CN 201310047715 A CN201310047715 A CN 201310047715A CN 103115988 A CN103115988 A CN 103115988A
- Authority
- CN
- China
- Prior art keywords
- kit
- sample solution
- testing sample
- icpms
- trace
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000001514 detection method Methods 0.000 title abstract description 18
- 239000007788 liquid Substances 0.000 title abstract description 11
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 title abstract 4
- 239000000523 sample Substances 0.000 claims abstract description 61
- 239000012488 sample solution Substances 0.000 claims abstract description 55
- 238000000034 method Methods 0.000 claims abstract description 32
- 238000005349 anion exchange Methods 0.000 claims abstract description 18
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims abstract description 14
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 10
- 239000011347 resin Substances 0.000 claims abstract description 8
- 229920005989 resin Polymers 0.000 claims abstract description 8
- 238000011049 filling Methods 0.000 claims abstract description 6
- 125000003277 amino group Chemical group 0.000 claims abstract 5
- 238000012360 testing method Methods 0.000 claims description 75
- 238000001176 liquid chromatography-inductively coupled plasma mass spectrometry Methods 0.000 claims description 27
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 23
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 8
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 8
- 238000004128 high performance liquid chromatography Methods 0.000 claims description 8
- 229910002651 NO3 Inorganic materials 0.000 claims description 7
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 7
- JLDSOYXADOWAKB-UHFFFAOYSA-N aluminium nitrate Chemical compound [Al+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O JLDSOYXADOWAKB-UHFFFAOYSA-N 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical group OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 4
- RXPAJWPEYBDXOG-UHFFFAOYSA-N hydron;methyl 4-methoxypyridine-2-carboxylate;chloride Chemical compound Cl.COC(=O)C1=CC(OC)=CC=N1 RXPAJWPEYBDXOG-UHFFFAOYSA-N 0.000 claims description 4
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims description 4
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical group N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 3
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 3
- 239000004317 sodium nitrate Substances 0.000 claims description 3
- 235000010344 sodium nitrate Nutrition 0.000 claims description 3
- 239000001164 aluminium sulphate Substances 0.000 claims description 2
- 235000011128 aluminium sulphate Nutrition 0.000 claims description 2
- PRKQVKDSMLBJBJ-UHFFFAOYSA-N ammonium carbonate Chemical group N.N.OC(O)=O PRKQVKDSMLBJBJ-UHFFFAOYSA-N 0.000 claims description 2
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 2
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical group O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 claims description 2
- 229910000358 iron sulfate Inorganic materials 0.000 claims description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 2
- YPJKMVATUPSWOH-UHFFFAOYSA-N nitrooxidanyl Chemical compound [O][N+]([O-])=O YPJKMVATUPSWOH-UHFFFAOYSA-N 0.000 claims description 2
- 239000004323 potassium nitrate Substances 0.000 claims description 2
- 235000010333 potassium nitrate Nutrition 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 2
- 235000011152 sodium sulphate Nutrition 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 description 12
- 239000012071 phase Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000000605 extraction Methods 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000003002 pH adjusting agent Substances 0.000 description 6
- 108010010803 Gelatin Proteins 0.000 description 5
- 229920000159 gelatin Polymers 0.000 description 5
- 239000008273 gelatin Substances 0.000 description 5
- 235000019322 gelatine Nutrition 0.000 description 5
- 235000011852 gelatine desserts Nutrition 0.000 description 5
- 229920001721 polyimide Polymers 0.000 description 5
- 239000009719 polyimide resin Substances 0.000 description 5
- 239000006228 supernatant Substances 0.000 description 5
- 235000013305 food Nutrition 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000012495 reaction gas Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000002798 spectrophotometry method Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 239000004305 biphenyl Substances 0.000 description 3
- 235000010290 biphenyl Nutrition 0.000 description 3
- 125000006267 biphenyl group Chemical group 0.000 description 3
- 150000002429 hydrazines Chemical class 0.000 description 3
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000000536 complexating effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000004445 quantitative analysis Methods 0.000 description 2
- 239000012086 standard solution Substances 0.000 description 2
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 239000003957 anion exchange resin Substances 0.000 description 1
- 150000001621 bismuth Chemical class 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000000975 co-precipitation 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
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- -1 etc.) Chemical compound 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 235000012631 food intake Nutrition 0.000 description 1
- 238000001927 high performance liquid chromatography-inductively coupled plasma mass spectrometry Methods 0.000 description 1
- 238000001095 inductively coupled plasma mass spectrometry Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal 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
- 150000007524 organic acids Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000012113 quantitative test Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 229910001428 transition metal ion Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
Images
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310047715.8A CN103115988B (zh) | 2013-02-06 | 2013-02-06 | 一种用于lc-icpms检测样品中痕量六价铬的试剂盒及六价铬的检测方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310047715.8A CN103115988B (zh) | 2013-02-06 | 2013-02-06 | 一种用于lc-icpms检测样品中痕量六价铬的试剂盒及六价铬的检测方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103115988A true CN103115988A (zh) | 2013-05-22 |
CN103115988B CN103115988B (zh) | 2014-11-05 |
Family
ID=48414415
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310047715.8A Active CN103115988B (zh) | 2013-02-06 | 2013-02-06 | 一种用于lc-icpms检测样品中痕量六价铬的试剂盒及六价铬的检测方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103115988B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106442691A (zh) * | 2016-04-22 | 2017-02-22 | 中华人民共和国嘉兴出入境检验检疫局 | 果冻中铬元素的检测方法 |
CN108169369A (zh) * | 2017-12-19 | 2018-06-15 | 岛津企业管理(中国)有限公司 | LC-ICP-MS测定血浆中Pt元素含量的方法 |
CN115420696A (zh) * | 2022-09-19 | 2022-12-02 | 安徽超威环保科技有限公司 | 一种四元水盐体系组分含量的检测方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2757123Y (zh) * | 2004-12-23 | 2006-02-08 | 广东环凯微生物科技有限公司 | 水质六价铬快速检测试剂盒 |
CN201075084Y (zh) * | 2007-09-24 | 2008-06-18 | 西南林学院 | 水中铬快速测定试剂盒 |
WO2009095924A1 (en) * | 2008-01-31 | 2009-08-06 | Yeda Research And Development Co. Ltd | Hexavalent chromium detector |
CN101566603A (zh) * | 2009-04-24 | 2009-10-28 | 刘江晖 | HPLC-ICP/MS联用技术检测化妆品中Cr(Ⅲ)和Cr(Ⅵ)的方法 |
JP2009265035A (ja) * | 2008-04-28 | 2009-11-12 | Panasonic Corp | 検査方法および検査キット |
-
2013
- 2013-02-06 CN CN201310047715.8A patent/CN103115988B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2757123Y (zh) * | 2004-12-23 | 2006-02-08 | 广东环凯微生物科技有限公司 | 水质六价铬快速检测试剂盒 |
CN201075084Y (zh) * | 2007-09-24 | 2008-06-18 | 西南林学院 | 水中铬快速测定试剂盒 |
WO2009095924A1 (en) * | 2008-01-31 | 2009-08-06 | Yeda Research And Development Co. Ltd | Hexavalent chromium detector |
JP2009265035A (ja) * | 2008-04-28 | 2009-11-12 | Panasonic Corp | 検査方法および検査キット |
CN101566603A (zh) * | 2009-04-24 | 2009-10-28 | 刘江晖 | HPLC-ICP/MS联用技术检测化妆品中Cr(Ⅲ)和Cr(Ⅵ)的方法 |
Non-Patent Citations (5)
Title |
---|
MINA TANOSHIMA 等: "Low-level speciated analysis of Cr(III) and Cr(VI) using LC(IC)-ICP-MS", 《AGILENT TECHNOLOGIES》, 23 January 2012 (2012-01-23), pages 1 - 5 * |
刘肖: "离子色谱法测定铬", 《环境化学》, vol. 24, no. 6, 30 November 2005 (2005-11-30), pages 741 - 743 * |
庞艳华 等: "反相离子对色谱-电感耦合等离子体质谱法测定化妆品中不同形态的铬", 《色谱》, vol. 29, no. 10, 31 October 2011 (2011-10-31), pages 1027 - 1030 * |
郭少飞 等: "高效液相色谱一电感耦合等离子体质谱法测定粉质化妆品中的六价铬", 《检验检疫学刊》, vol. 22, no. 4, 30 April 2012 (2012-04-30), pages 8 - 13 * |
黄冬根 等: "食品中中Cr(III)和Cr(VI)分离机ICP-MS法测定研究", 《食品科学》, vol. 26, no. 7, 31 July 2005 (2005-07-31), pages 172 - 174 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106442691A (zh) * | 2016-04-22 | 2017-02-22 | 中华人民共和国嘉兴出入境检验检疫局 | 果冻中铬元素的检测方法 |
CN108169369A (zh) * | 2017-12-19 | 2018-06-15 | 岛津企业管理(中国)有限公司 | LC-ICP-MS测定血浆中Pt元素含量的方法 |
CN115420696A (zh) * | 2022-09-19 | 2022-12-02 | 安徽超威环保科技有限公司 | 一种四元水盐体系组分含量的检测方法 |
Also Published As
Publication number | Publication date |
---|---|
CN103115988B (zh) | 2014-11-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Aydin et al. | Solid phase extraction and preconcentration of uranium (VI) and thorium (IV) on Duolite XAD761 prior to their inductively coupled plasma mass spectrometric determination | |
Elci et al. | Solid phase extraction method for the determination of iron, lead and chromium by atomic absorption spectrometry using Amberite XAD-2000 column in various water samples | |
Doner et al. | Determination of copper, cadmium and lead in seawater and mineral water by flame atomic absorption spectrometry after coprecipitation with aluminum hydroxide | |
Pike et al. | Quantification of 234 Th recovery in small volume sea water samples by inductively coupled plasma-mass spectrometry | |
Shelley et al. | Determination of total dissolved cobalt in UV‐irradiated seawater using flow injection with chemiluminescence detection | |
Haley et al. | Complete separation of rare earth elements from small volume seawater samples by automated ion chromatography: method development and application to benthic flux | |
Ma et al. | Selective flow injection sorbent extraction for determination of cadmium, copper and lead in biological and environmental samples by graphite furnace atomic absorption spectrometry | |
CN103115988B (zh) | 一种用于lc-icpms检测样品中痕量六价铬的试剂盒及六价铬的检测方法 | |
CN103822885A (zh) | 食盐中微量铅镉离子的分离富集和检测方法 | |
Maxwell III | Rapid column extraction method for actinides and 89/90 Sr in water samples | |
Pyrzynska | Non-chromatographic speciation analysis of chromium in natural waters | |
Hassanien et al. | Selective separation of palladium from synthetic highly active liquid waste by cloud point extraction using benzil mono-(2-pyridyl) hydrazone and Triton X-114 | |
CN104155376B (zh) | 一种血液及尿液中硫化氢的检测方法 | |
Soylak et al. | On-line preconcentration system for cadmium determination in environmental samples by flame atomic absorption spectrometry | |
CN107064129A (zh) | 一种油田水中金属阳离子快速定量分析方法 | |
Crecente et al. | Ultrasound-assisted magnetic solid-phase extraction for the determination of some transition metals in Orujo spirit samples by capillary electrophoresis | |
CN106053359A (zh) | 静态吸附离子交换技术分离测定食盐中铜离子的方法 | |
Murthy | Separation of uranium from vanadium by ion exchange: with special reference to the determination of small amounts of uranium | |
CN106092712B (zh) | 一种土壤重金属元素汞有效态的提取剂及其制备方法和应用 | |
CN104535685A (zh) | 一种测定玩具材料中可迁移的六价铬的方法 | |
CN102967574A (zh) | 利用纤维填充微柱快速富集检测水中痕量As(V)和Cr(VI)的方法 | |
Lu et al. | Application of chelation ion chromatography to the determination of lanthanides in agriculture | |
Nakagawa | Atomic absorption determination of silver, bismuth, cadmium, cobalt, copper, nickel, lead, and zinc in calcium-and iron-rich geologic materials | |
Hamaguchi et al. | Anion-exchange behavior of scandium, rare earths, thorium and uranium in magnesium nitrate solution | |
Kumar et al. | Chloride analysis in magnesium metal using ion chromatography with conductometric detection |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20161124 Address after: 510670 Guangzhou hi tech Industrial Development Zone, Guangdong Branch Fung Road, No. 87, building C3, room No. 701 Patentee after: GUANGZHOU PRIN-CEN SCIENTIFIC CO.,LTD. Address before: 510260 Guangdong city of Guangzhou province Haizhuqu District Qianxi street D-904 Patentee before: Lin Jianxian |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A reagent kit and detection method for trace hexavalent chromium in samples using LC-ICPMS Granted publication date: 20141105 Pledgee: China Co. truction Bank Corp Guangzhou branch Pledgor: GUANGZHOU PRIN-CEN SCIENTIFIC CO.,LTD. Registration number: Y2024980020808 |