Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Wai Fong Tong"'
Publikováno v:
Food Chemistry. 121:552-560
A method for the determination of Pb in Chinese herbs based on “approximate matching” isotope dilution inductively coupled plasma mass spectrometry was developed. The method was validated using NIST SRM 1547 (Peach Leaves). Satisfactory analytica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8103d833b3c8bbab93dd475a6ffdee39
https://doi.org/10.1016/j.foodchem.2009.12.046
https://doi.org/10.1016/j.foodchem.2009.12.046
Autor:
Wai-fong Tong, Yiu-chung Yip
Publikováno v:
TrAC Trends in Analytical Chemistry. 28:1276-1294
This review addresses the assessment of laboratory performance in intercomparisons for inorganic analysis. Three types of intercomparisons in question are proficiency testing schemes, measurement evaluation programs, and international key comparisons
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb65c1ebfd6d4b8a4967fae6afd327ba
https://doi.org/10.1016/j.trac.2009.08.004
https://doi.org/10.1016/j.trac.2009.08.004
Publikováno v:
TrAC Trends in Analytical Chemistry. 28:214-236
The Consultative Committee for Amount of Substance – Metrology in Chemistry (Comite Consultatif pour la Quantite de Matiere, CCQM) has the task of organizing international key comparisons. The main purpose is to establish a technical basis for mutu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::394454a89dec2c9537cc0092a30a7039
https://doi.org/10.1016/j.trac.2008.09.013
https://doi.org/10.1016/j.trac.2008.09.013
Publikováno v:
TrAC Trends in Analytical Chemistry. 27:460-480
Lead isotope ratio measurements (Pb-IRM) have been widely used for identification purposes for several decades. This article reviews current analytical techniques available for Pb-IRM, including: (i) thermal ionization mass spectrometry (TIMS); (ii)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13b658ff80545d854b4b36510fa6c572
https://doi.org/10.1016/j.trac.2008.02.011
https://doi.org/10.1016/j.trac.2008.02.011
Publikováno v:
Accreditation and Quality Assurance. 13:311-319
A quadrupole inductively coupled plasma mass spectrometer (Q-ICP-MS) has been used for determination of lead in plant materials using isotope-dilution inductively coupled plasma mass spectrometry. The accuracy of the method was demonstrated by analys
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e6cd88ab753be8810895a9a097dfefb
https://doi.org/10.1007/s00769-008-0384-8
https://doi.org/10.1007/s00769-008-0384-8
Autor:
Chung-Kwong Poon, Chih-Chieh Wang, Ming-Chu Cheng, Wai Fong Tong, Chi-Ming Che, Zao Ying Li, Jie-Sheng Huang, Yu Wang, Ting Fong Lai
Publikováno v:
Inorganic Chemistry. 31:5220-5225
A series of dialkoxuosmium(IV) porphyrins [Os(Por)(OR) 2 ] [Por=TPP (meso-tetraphenylporphyrinato dianon), (MeO) 12 TPP (meso-tetrakis(3,4,5-trimethoxyphenyl)porphyrinato dianion); R=Me, Et, i-Pr, PhCH 2 ] were synthesized by treatment of [Os(Por)(N
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7ced538dd469663723f9ba83b900902
https://doi.org/10.1021/ic00051a012
https://doi.org/10.1021/ic00051a012
Publikováno v:
Journal of the Chemical Society, Dalton Transactions. :91
Osmium-(III) and -(IV) complexes of the ligands salen [H2salen = ethylenebis(salicylidineimine)], bpb [H2bpb = 1,2-bis(pyridine-2-carboxamido)benzene] and bpc [H2bpc = 4,5-dichloro-1,2-bis(pyridine-2-carboxamido)benzene] were synthesised by reducing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6346b315217be6b89b12610ea3016f7e
https://doi.org/10.1039/dt9920000091
https://doi.org/10.1039/dt9920000091
Publikováno v:
Journal of the Chemical Society, Dalton Transactions. :813
The kinetics and mechanism of the reduction of trans-[RuIVL(O)(H2O)]2+ to trans-(RuIIIL(OH)(H2O))2+(L = 6,7,8,9,10,11,17,18-octahydro-6,10-dimethyl-5H-dibenzo[e,n][1,4,8,12]dioxadiazacyclo-pentadecine) in aqueous solution by cis-[RuII(NH3)4(isn)2]2+(
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::07068debef88fc4d8be56d12c6165c6c
https://doi.org/10.1039/dt9920000813
https://doi.org/10.1039/dt9920000813