Biomaterial Database

[15 rare earth elements in cosmetics determined by inductively coupled plasma-mass spectrometry]. 2009

Peiyao Tian, and Yuhong Liu, and Ping Wang, and Jianrong Wei

Center for Disease Prevention and Control, Bejing 100013, China.

OBJECTIVE To establish an ICP-MS method for the simultaneous determination of 15 rare earth elements (REEs) in Cosmetics. METHODS Cosmetics were digested with HNO3 + H2O2 by microwave oven. An interference-free isotope was chosen for earth REE as 89Y, 139 La, 140Ce, 141Pr, 146Nd, 147Sm, 153Eu, 157Gd, 159Tb, 163Dy, 165Ho, 166Er, 169Tm, 172Yb, 175Lu, 15 REEs were determined by ICP-MS. RESULTS The correlation coefficient r > or = 0.9998. The recovery rates and relative standard deviations could 89.3%-114.6% and 1.45%-7.93%. In the detection for real samples, La, Ce, Nd and Y were detected in creamy samples. 13 REEs in powdery samples, were detected except for Tm, Lu. Maybe their raw material source were different. CONCLUSIONS The results indicated that the method could be simple, rapid, sensitive and accurate, which could meet the demand of the simultaneous determination for 15 rare earth elements analysis in Cosmetics.

UI	MeSH Term	Description	Entries
D008674	Metals, Rare Earth	A group of elements that include SCANDIUM; YTTRIUM; and the LANTHANOID SERIES ELEMENTS. Historically, the rare earth metals got their name from the fact that they were never found in their pure elemental form, but as an oxide. In addition, they were very difficult to purify. They are not truly rare and comprise about 25% of the metals in the earth's crust.	Rare Earth Metal,Rare Earth Metals,Earth Metal, Rare,Earth Metals, Rare,Metal, Rare Earth
D003358	Cosmetics	Substances intended to be applied to the human body for cleansing, beautifying, promoting attractiveness, or altering the appearance without affecting the body's structure or functions. Included in this definition are skin creams, lotions, perfumes, lipsticks, fingernail polishes, eye and facial makeup preparations, permanent waves, hair colors, toothpastes, and deodorants, as well as any material intended for use as a component of a cosmetic product. (U.S. Food & Drug Administration Center for Food Safety & Applied Nutrition Office of Cosmetics Fact Sheet (web page) Feb 1995)	Personal Care Products,Care Product, Personal,Care Products, Personal,Personal Care Product,Product, Personal Care,Products, Personal Care
D013058	Mass Spectrometry	An analytical method used in determining the identity of a chemical based on its mass using mass analyzers/mass spectrometers.	Mass Spectroscopy,Spectrometry, Mass,Spectroscopy, Mass,Spectrum Analysis, Mass,Analysis, Mass Spectrum,Mass Spectrum Analysis,Analyses, Mass Spectrum,Mass Spectrum Analyses,Spectrum Analyses, Mass