Platinum. Methods of analysis
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Platinum in ingots. Specifications
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Platinum and platinum alloys. Trade-marks
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Gold alloys. Method for the determination of gold and silver content
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Gold alloys. Spectral method for the determination of bismuth, antimony, lead and iron content
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Strips from silver solders. Specifications
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Noble metals and alloys. General requirements for methods of analysis
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Foil out of gold, silver and their alloys. Specifications
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Gold. General requirements for methods of analysis
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Gold. Methods of atomic-emission analysis
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Gold. Method of atomic-emission analysis with inductive plasma
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