By X-Ray Fluoresce Technology |
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The GoldArt products
are manufactured in Top manufactory in P.R. China. Its gold content and
gold thickness were assayed by the National Center of Testing Technology,
Shanghai – The national-level analysis center authorized by Chinese
Government.. The assay method is
X-ray fluorescence Spectrometry, according the “GB/T18043-2000 Precious
Metal Jewellery Content Non-damaged Test Method – X-Ray Fluorescence Spectrometry” and GB/T16921-1997
Measurement of Metallic Coating Thickness X-Ray Spectrometric
Method”. All GoldArt products
come with the Certification of Analysis. It is guaranteed made
of >99.0% pure gold. The gold thickness of GoldArt card is 0.12µm.
X-ray Fluorescence (XRF)According World Gold Council, the assay methods of gold jewelry, "X-ray fluorescence (XRF) is a non-destructive technique that is suitable for normal assaying requirements such as in-house quality control in manufacturing or for 'certifying' gold content".With recent advances in x-ray
spectrometry and new software it is becoming one of the best instruments
for the analysis of any archaeological material, art museums, to
examine the materials composition of pigments in paintings etc.
XRF is particular suitable for thin metal layer analysis, with the depth of sample analyzed varying from less than 1 mm to 1 cm depending on the energy of the emitted x-ray and the sample composition. Its accuracy reached 0.2 - 0.5%. 21CEC is the comprehensive supplier of GoldArt brand na,e products worldwide. |
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Archer
House, Britland Estate, Northbourne
Road, Eastbourne, East Sussex BN22 8PW,
UK London Office: 29 Harley Street, London W1G 9QR, UK US Office: 1903 60TH PL, Suite M3039, Bradenton, Florida 34203, USA Shanghai Office: Unit Four, No.885 QingZhou North Road, Xuhui area, Shanghai 200233, P. R. China Tel: (44) 0207 9276859 (UK) & Toll-Free (1) 888 2703429 (USA) & (44) 07732 971307 (CEO Direct line) Shanghai Office: Unit Four, No.885 QingZhou North Road, Xuhui area, Shanghai 200233, P. R. China Tel: (44) 0207 9276859 (UK) & Toll-Free (1) 888 2703429 (USA) & (44) 07732 971307 (CEO Direct line) Fax: (44) 1323 763517 (UK) & (44) 1323 729777 (UK) & (1) 323 843 9307 (USA) & (1) 509 7524767 (USA) E mail: quote@21cec.com URL: www.21cec.com/ (UK), www.21cecpharm.com/ (USA), www.100goldart.com/ (USA) |