Accurate determination of lead in Chinese herbs using isotope dilution inductively coupled plasma mass spectrometry (ID-ICP-MS)

Food Chemistry

Volumn 121, Issue 2, 2010, Pages 552-560

  Lam, James Chung wah ^a   Chan, Kam kit ^a   Yip, Yiu chung ^a   Tong, Wai fong ^a   Sin, Della Wai mei ^a  

^a Homantin Government Offices   (Hong Kong)

Author keywords

Chinese herbs; ID ICP MS; Lead; Measurement uncertainty; Monte Carlo method

Indexed keywords

LEAD;

ARTICLE; CHINESE HERB; CONTROLLED STUDY; ELECTRONIC SPREADSHEET; ISOTOPE DILUTION ASSAY; MASS SPECTROMETRY; MONTE CARLO METHOD; VALIDATION PROCESS;

PRUNUS PERSICA;

EID: 77049124489     PISSN: 03088146     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.foodchem.2009.12.046     Document Type: Article

References (31)

1. Aregbe Y., and Taylor P. CCQM-K24 key comparison. Cadmium amount content in rice. Metrologia 40 (2003) 08001
2. Brown R.J.C., and Milton M.J.T. Developments in accurate and traceable chemical measurements. Chem. Soc. Rev. 36 (2007) 904-913
3. Catterick T., Fairman B., and Harrington C. Structured approach to achieving the high accuracy measurements with isotope dilution inductively coupled plasma mass spectrometry. J. Anal. At. Spectrom. 13 (1998) 1009-1013
4. Chan H., Yeh Y.Y., Billmeier Jr. G.J., Evans W.E., and Chan H. Lead poisoning from ingestion of Chinese herbal medicine. Clin. Toxicol. 10 (1977) 273-281
5. Cox M., Harris P., and Siebert B.R.L. Evaluation of measurement uncertainty based on the propagation of distributions using Monte Carlo simulation. Meas. Tech. 46 (2003) 824-833
6. Cox M.G., and Siebert B.R.L. The use of a Monte Carlo method for evaluating uncertainty and expanded uncertainty. Metrologia 43 (2006) S178-S188
7. De Laeter J.R., Böhlke J.K., De Bièvre P., Hidaka H., Peiser H.S., Rosman K.J.R., et al. Atomic weights of the elements: Review 2000. Pure Appl. Chem. 75 (2003) 683-800
8. Easily Confused Chinese Medicines in Hong Kong (2005). Hong Kong Chinese Medicine Merchants Association Ltd. Available from: .
9. Ernst E. Toxic heavy metals and undeclared drugs in Asian herbal medicines. Trends Pharmacol. Sci. 23 (2002) 136-139
10. EURACHEM Guide (1998). The fitness for purpose of analytical methods: A laboratory guide to method validation and related topics. Available from: .
11. EURACHEM/CITAC Guide (2000). Quantifying uncertainty in analytical measurement. Available from: .
12. Green J.M. A practical guide to analytical method validation. Analytical Chemistry 68 (1996) 305A-309A
13. Henrion A. Reduction of systematic errors in quantitative analysis by isotope dilution mass spectrometry (IDMS): an iterative method. Fresenius' J. Anal. Chem. 350 (1994) 657-658
14. Herrador M.A., and González A.G. Evaluation of measurement uncertainty in analytical assays by means of Monte-Carlo simulation. Talanta 64 (2004) 415-422
15. ISO/IEC Guide (1995). Guide to the expression of uncertainty in measurement.
16. Joint Committee for Guides in Metrology (2006). Evaluation of measurement data - Supplement 1 to the "Guide to the expression of uncertainty in measurement" - Propagation of distributions using a Monte Carlo method. Final Draft. Available from: .
17. Jurado J.M., and Alcázar A. A software package comparison for uncertainty measurement estimation according to GUM. Accred. Qual. Assur. 10 (2005) 373-381
18. Kragten J. Calculation standard deviations and confidence intervals with a universally applicable spreadsheet technique. Analyst 119 (1994) 2161-2165
19. Lam J.C.W., Yip Y.C., and Tong W.F. Revisiting type - A uncertainties relating to the measurement of mass fraction of lead using isotope dilution-inductively coupled plasma mass spectrometry: a way of improving measurement precision and expanded uncertainty. Accred. Qual. Assur. 13 (2008) 311-319
20. May T.W., and Wiedmeyer R.H. A table of polyatomic interferences in ICP-MS. At. Spectrosc. 19 (1998) 150-155
21. Opara E.I. The efficacy and safety of Chinese herbal medicines. Bri. J. Nutr. 91 (2004) 171-173
22. Papadopoulos C.E., and Yeung H. Uncertainty estimation and Monte Carlo simulation method. Flow Meas. Instrum. 12 (2001) 291-298
23. Sargent, M., Harrington, C., & Harte, R. (2002). Guidelines for achieving high accuracy in isotope dilution mass spectrometry (IDMS). Royal Society of Chemistry.
24. Vogl J. Characterization of reference materials by isotope dilution mass spectrometry. J. Anal. At. Spectrom. 22 (2007) 475-492
25. Wong Y.C., and Sin D.W.M. CCQM-P97 pilot study (2008), Cadmium and lead in herb, Final report
26. Wong M.K., Tan P., and Wee Y.C. Heavy metals in some Chinese herbal plants. Biol. Trace Elem. Res. 36 (1993) 135-142
27. Wübbeler G., Krystek M., and Elster C. Evaluation of measurement uncertainty and its numerical calculation by a Monte Carlo method. Meas. Sci. Technol. 19 (2008) 084009
28. Yip Y.C., Chan K.K., Cheung P.Y., Poon K.W., and Sham W.C. Analysis of non-fat soybean powder for the mass fractions of three elements: Copper and zinc by isotope dilution ICP-MS and calcium by ICP-AES. Food Chemistry 112 (2009) 1065-1071
29. 2 cell modes. Anal. Bioanal. Chem. 386 (2006) 1475-1487
30. Yip Y.C., Lam J.C.W., and Tong W.F. Commonly used methodologies for inorganic analysis in international key comparisons. Trends Anal. Chem. 28 (2009) 214-236
31. Yip Y.C., Lam J.C.W., and Tong W.F. Applications of lead isotope ratio measurements. Trends Anal. Chem. 27 (2008) 460-480