YS/T 202-2009 Foils of precious metals and their alloys

YS/T 202-1994

GB/T 15072.19-1994 Method for chemical analysis of precious metals and their alloys—Gold alloys—Determination of chromium content GB/T 15072.19-2008 Test method of precious metal alloys—Determination of vanadium and magnesium contents for silver alloys—Inductively coupled plasma atomic emission spectrometry GB/T 15072.20-1994 Method for chemical analysis of precious metals and their alloys—Gold alloys—Determination of zirconium content GB/T 15072.20-2025 Methods for chemical analysis of precious metal alloys—Part 20:Determination of rhodium content GB/T 15077-1994 Geometric size measuring methods of precious metals and their alloy materials GB/T 15077-2008 Geometric size measuring methods of precious metals and their alloy materials GJB 950 YS/T 372.1-2006 Methods for elementary analysis of precious alloy—Determination of silver content—Potentiometer titration with potassium iodide YS/T 372.2-2006 Methods for elementary analysis of precious alloy—Determination of platinum content—Electricity titration using potassium permanganate YS/T 372.2-2025 Metallic alloy element analysis method - Part 2: Determination of platinum content - Potassium permanganate potentiometric titration method YS/T 372.3-2006 Methods for elementary analysis of precious alloy—Determination of palladium content—Complexometric titration using butanedione dioxime releasing EDTA YS/T 372.4-2006 Methods for elementary analysis of precious alloy—Determination of copper content—Complexometric titration using thiourea releasing EDTA YS/T 372.5-2006 Methods for elementary analysis of precious alloy—Determination of copper content in PtCu alloy—EDTA complexometric titration YS/T 372.6-2006 Methods for elementary analysis of precious alloy—Determination of copper and manganese contents—The flame atomic absorption spectrometric method YS/T 372.7-2006 Methods for elementary analysis of precious alloy—Determination of cobalt content—EDTA complexometric titration YS/T 372.8-2006 Methods for elementary analysis of precious alloy—Determination of cobalt content in PtCo alloy—EDTA complexometric titration YS/T 372.9-2006 Methods for elementary analysis of precious alloy—Determination of nickel content—EDTA complexometric titration YS/T 372.10-2006 Methods for elementary analysis of precious alloy—Determination of nickel content in AuNi and PdNi alloy—EDTA complexometric titration YS/T 372.11-2006 Methods for elementary analysis of precious alloy—Determination of magnesium content—EDTA complexometric titration YS/T 372.12-2006 Methods for elementary analysis of precious alloy—Determination of zinc content—EDTA complexometric titration YS/T 372.13-2006 Methods for elementary analysis of precious alloy—Determination of tin content—EDTA complexometric titration YS/T 372.14-2006 Methods for elementary analysis of precious alloy—Determination of manganese content—Potentiometer titration using potassium permanganate YS/T 372.15-2006 Methods for elementary analysis of precious alloy—Determination of antimony content—The flame atomic absorption spectrometric method YS/T 372.16-2006 Methods for elementary analysis of precious alloy—Determination of gallium content—EDTA complexometric titration YS/T 372.16-2025 The Analysis Methods for Precious Metal Alloys Part 16: Determination of Gallium Content by Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES) YS/T 372.17-2006 Methods for elementary analysis of precious alloy—Determination of tungsten and rhenium content—Tungstic acid gravimetry and thiourea spectrophotometry YS/T 372.18-2006 Method for elementary analysis of precious alloy—Determination of gadolinium content—Chlorophosphonazo Ⅲ spectrophotometry YS/T 372.19-2006 Method for elementary analysis of precious alloy—Determination of yttrium content—Chlorophosphonazo Ⅲ spectrophotometry YS/T 372.19-2025 Method for Analysis of Alloying Elements in Precious Metals - Part 19: Determination of Yttrium Content - Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES) YS/T 372.20-2006 Methods for elementary analysis of precious alloy—Determination of cadmium content—Complexometric titration using potassium iodide releasing EDTA YS/T 372.21-2006 Methods for elementary analysis of precious alloy—Determination of zirconium content—EDTA complexometric titration YS/T 372.22-2006 Methods for elementary analysis of precious alloy—Determination of indium content—EDTA complexometric titration YS/T 561-2009 Method for chemical analysis of precious metals alloys—Platinum-rhodium alloys—Determination of rhodium content—Hexaammine cobalt nitrate gravimetriy