YS/T 452-2013 Lead and zinc bulk concentrate

YS/T 452-2002 Lead & zinc bulk concentrate

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 14262-1993 Methods for sampling and sample preparation of flotation lead concentrates in bulk GB/T 14262-2010 Methods for sampling and sample preparation of flotation lead concentrates in bulk GB/T 20424-2006 The specification for limit on harmful element content of the heavy metal concentrates products GB 20664-2006 Limitation concentration of natural radioactivity in non-ferrous metal ores and concentrates products YS/T 461.1-2003 The methods for chemical analysis of lead and zinc bulk concentrates—The determination of lead and zinc content—The Na2EDTA titrimetric method after precipitation separation YS/T 461.1-2013 Methods for chemical analysis of lead and zinc bulk concentrates—Part 1:The determination of lead and zinc contents—Na2EDTA titrimetric method after precipitation separation YS/T 461.2-2003 The methods for chemical analysis of lead and zinc bulk concentrates —The determination of iron content—The Na2EDTA titrimetric method YS/T 461.2-2013 Methods for chemical analysis of lead and zinc bulk concentrates—Part 2:The determination of iron content—Na2EDTA titrimetric method YS/T 461.3-2003 The methods for chemical analysis of lead-zinc bulk concentrates—The determination of sulfur content—The combustion-neustralinzation titrimetric method YS/T 461.3-2013 Methods for chemical analysis of lead and zinc bulk concentrates—Part 3:The determination of sulfur content—Combustion-neustralinzation titrimetric method YS/T 461.4-2003 The methods for chemical analysis of lead and zinc mixed concentrates—The determination of arsenic content—The iodimetric method YS/T 461.4-2013 Methods for chemical analysis of lead and zinc bulk concentrates—Part 4:The determination of arsenic content—Iodimetricic method YS/T 461.5-2003 The methods for chemical analysis of lead and zinc bulk concentrates—The determination of silicon dioxide content—The molybdenum blue spectrophotometric method YS/T 461.5-2013 Methods for chemical analysis of lead and zinc bulk concentrates—Part 5:The determination of silicon dioxide content—Molybdenum blue spectrophotometric method YS/T 461.6-2003 The methods of chemical analysis of lead and zinc bulk concentrates—The determination of mercury content—The atomic fluorescence spectrometry method YS/T 461.6-2013 Methods for chemical analysis of lead and zinc bulk concentrates—Part 6:The determination of mercury content—Atomic fluorescence spectrometry YS/T 461.7-2003 The methods for chemical analysis of lead and zinc bulk concentrates—The determination of cadmium content—The atomic absorption method YS/T 461.7-2013 Methods for chemical analysis of lead and zinc bulk concentrates—Part 7:The determination of cadmium content—Flame atomic absorption spectrometry YS/T 461.8-2003 The methods for chemical analysis of lead and zinc bulk concentrates—The determination of copper content—The atomic absorption method YS/T 461.8-2013 Methods for chemical analysis of lead and zinc bulk concentrates—Part 8:Determination of copper content—Flame atomic absorption spectrometry YS/T 461.9-2003 The methods for chemical analysis of lead and zinc bulk concentrates—The determination of silver content—The atomic absorption method YS/T 461.9-2013 Methods for chemical analysis of lead and zinc bulk concentrates—Part 9:The determination of silver content—Flame atomic absorption spectrometry YS/T 461.10-2003 The methods for chemical analysis of lead and zinc bulk concentrates—The determination of gold and silver content—The fire-assaying methods YS/T 461.10-2013 Methods for chemical analysis of lead and zinc bulk concentrates—Part 10:The determination of gold and silver contents—Fire-assaying methods YS/T 461.12-2016 Methods for chemical analysis of lead and zinc bulk concentrates—Part 12:Determination of thallium content—Inductively coupled plasma mass spectrometry and inductively coupled plasma atomic emission spectrometry YS/T 461.11-2021 Method for chemical analysis of mixed lead-zinc concentrates - Part 11: Determination of arsenic, bismuth, cadmium, cobalt, copper, nickel and antimony content - Inductively coupled plasma atomic emission spectroscopy (ICP-AES) GB/T 20424-2025 The specification for limit on harmful element content of the heavy nonferrous metal concentrates products YS/T 461.4-2024 YS/T 461.4-2024 Chemical analysis methods for mixed lead-zinc concentrates - Part 4: Determination of arsenic content - Iodimetric titration and atomic fluorescence spectrometry methods YS/T 461.6-2024 YS/T 461.6-2024 Method for chemical analysis of mixed lead-zinc concentrate - Part 6: Determination of mercury content - Atomic fluorescence spectrometry and direct solid sampling method YS/T 461.8-2025 Chemical Analysis Methods for Mixed Lead-Zinc Concentrates - Part 8: Determination of Copper Content by Flame Atomic Absorption Spectrometry and Iodometry YS/T 461.9-2025 Chemical Analysis Methods for Mixed Lead-Zinc Concentrates - Part 9: Determination of Silver and Gold Content by Flame Atomic Absorption Spectrometry and Fire Assay Method