null检测 | The Correct Use of Platinum in the XRF-上海漾盟仪器有限公司

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The use of crucibles and dishes made of platinum and its alloys in the preparation of samples has become an essential feature of XRF analysis. The broad application of platinum results from its near-perfect oxidation resistance and its excellent resistance to corrosive attack by metal oxide melts such as XRF Ñuxing agents. However, a few basic rules must be adhered to if platinum ware is to give satisfactory service. A number of “platinum poisons,Ï which are commonly encountered in samples, can cause destruction within a few sample preparation cycles. These “poisons,Ï the reasons for their corrosive e†ects and techniques for minimizing or eliminating their inÑuence are outlined. ( 1997 by John Wiley & Sons, Ltd. X-Ray Spectrom. 26, 132è140 (1997) No. of Figures : 15 No. of Tables: 0 No. of References : 8

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