GB/T 23608-2022 Recycled platinum groups metal raw materials

GB/T 23608-2009 Platinum groups metals waste classification and technology qualification

NB/SH/T 0570 SN/T 0570-2007 GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 15072.3-1994 Method for chemical analysis of precious metals and their alloys—Gold, platinum and palladium alloys—Determination of platinum content GB/T 15072.3-2008 Test method of precious metal alloys—Determination of platinum content for gold,platinum and palladium alloys—Electricity titration using potassium permanganate GB/T 15072.4-1994 Method for chemical analysis of precious metals and their alloys—Palladium, silver alloys—Determination of palladium content GB/T 15072.4-2008 Test method of precious metal alloys—Determination of palladium content for palladium and silver alloys—Butanedione dioxime gravimetry GB/T 15072.6-1994 Method for chemical analysis of precious metals and their alloys—Platinum, palladium alloys—Determination of iridium content GB/T 15072.6-2008 Test method of precious metal alloys—Determination of iridium contents for platinum, palladium alloys—Electricity titration with ferrous sulfate GB/T 17418.5-1998 Methods for analysis of noble metals in geochemical samples—Determination of ruthenium and osmium content-Separation by distillation—Catalytic spectrophotometric method GB/T 17418.5-2010 Methods for analysis of noble metals in geochemical samples—Part 5:Determination of ruthenium and osmium content—Separationby distillation-catalytic spectrophotometric method GB/T 23277-2009 Chemical analysis methods of catalysts containing precious metals—Determination of platinum,palladium and rhodium in automobile exhaust-purifying catalysts—Spectrophotometry GB/T 23524-2009 Test method of spent petrochemical catalyst—Determination of platinum—Inductively coupled plasma atomic emission spectrometry GB/T 23524-2019 Method for chemical analysis of petrochemical spent platinum catalyst—Determination of platinum—Inductively coupled plasma atomic emission spectrometry GB/T 30014-2013 Methods for chemical analysis of spent palladium-carbon—Determination of palladium—Inductively coupled plasma atomic emission spectrometry GB/T 39292-2020 Method of sampling and sample preparation for analysis of palladium carbon wastes SH/T 0684-1999 Standard test method for palladium in molecular sieve catalysts and in aluminium oxide base catalysts by atomic absorption spectrometry YS/T 561-2009 Method for chemical analysis of precious metals alloys—Platinum-rhodium alloys—Determination of rhodium content—Hexaammine cobalt nitrate gravimetriy YS/T 563-2009 Methods for chemical analysis of precious metals alloys—Platinum-palladium-rhodium alloys—Determination of palladium and rhodium content—Diacetyldioxime gravimetriy,tin (Ⅱ)chloride spectrophotometry YS/T 598-2006 Super fine hydrous ruthenium oxide powder YS/T 598-2023 Ultra-fine Rutile Powder YS/T 1315-2019 YST 1315-2019 Chemical analysis methods for palladium resin - Determination of palladium content by ignition gold enrichment-inductively coupled plasma atomic emission spectroscopy YS/T 1327-2019 The sampling method for platinum and platinum-based alloy waste materials YS/T 563-2006 Method for chemical analysis of platinum-palladium-rhodium alloys GB/T 15072.3-2025 Methods for chemical analysis of precious metal alloys—Part 3:Determination of platinum content GB/T 15072.4-2025 Methods for chemical analysis of precious metal alloys—Part 4:Determination of palladium content GB/T 15072.6-2025 Methods for chemical analysis of precious metal alloys—Part 6:Determination of iridium content