YS/T 319-2007 Lead concentrate

YS/T 319-1997 lead concentrate

YS/T 319-2013 Lead concentrate

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 GB/T 1250-1989 Rules for expression and judgement of limiting values GB/T 8152.1-1987 Methods for chemical analysis of lead concentrates The Na2EDTA volumetric method for the determination of lead content GB/T 8152.1-2006 Methods for chemical analysis of lead concentrates—Determination of lead content—EDTA titration method after acid digestion GB/T 8152.2-1987 Methods for chemical analysis of lead concentrates The Na2EDTA volumetric method for the determination of zinc content GB/T 8152.2-2006 Methods for chemical analysis of lead concentrates—Determination of lead content—Back titration of EDTA after precipitation of lead sulfate GB/T 8152.3-1987 Methods for chamical analysis of lead concentrates The chromazurol S spectrophotometric method for the determination of aluminium (Ⅲ) oxide content GB/T 8152.3-2006 Methods for chemical analysis of lead concentrates—Determination of aluminium (Ⅲ) oxide content—Chromazurol S spectrophotometric method GB/T 8152.4-2006 Methods for chemical analysis of lead concentrates—Determination of zinc content—EDTA titration method GB/T 8152.5-2006 Methods for chemical analysis of lead concentrates—Determination of arsenic content—Atomic fluorescence spectrometer method GB/T 8152.7-2006 Methods for chemical analysis of lead concentrates—Determination of copper content—Flame atomic absorption spectrometric method GB/T 8152.9-1989 Methods for chemical analysis of lead concentrates—The fire-assaying methods for the determination of gold and silver content GB/T 8152.9-2006 Methods for chemical analysis of lead concentrates—Determination of magnesium oxide content—Flame atomic absorption spectrometric method GB/T 8152.10-1989 Methods for chemical analysis of lead concentrates—Determination of silver content—Flame atomic absorption spectrophotometric method GB/T 8152.10-2006 Methods for chemical analysis of lead concentrates—Determination of silver and gold content—Fire assay and flame atomic absorption spectrometric method using scorification or cupellation GB/T 8152.11-2006 Methods for chemical analysis of lead concentrates—Determination of mercury content—Atomic fluorescence spectrometer method GB/T 8152.11-2023 Methods for chemical analysis of lead concentrates—Part 11:Determination of mercury content—Atomic fluorescencespectrometry and direct mercury determining with solid injection method GB/T 8152.12-2006 Methods for chemical analysis of lead concentrates—Determination of cadmium content—Flame atomic absorption spectrometric method GB/T 8152.13-2017 Methods for chemical analysis of lead concentrates—Part 13:Determination of thallium content—Inductively coupled plasma mass spectrometry and inductively coupled plasma-atomic emission spectrometry GB/T 8152.14-2019 Methods for chemical analysis of lead concentrates—Part 14:Determination of silicon dioxide content—Molybdenum blue spectrophotometry GB/T 8152.15-2021 Methods for chemical analysis of lead concentrates—Part 15:Determination of soluble lead content—Flame atomic absorption spectrometry GB/T 8152.16-2022 Methods for chemical analysis of lead concentrates—Part 16:Determination of calcium oxide content—Flame atomic absorption spectrometric method GB/T 8152.17-2023 Methods for chemical analysis of lead concentrates—Part 17:Determination of aluminum,magnesium,iron,copper,zinc,cadmium,arsenic,antimony,bismuth and calcium contents—Inductively coupled plasma atomic emission spectrometry 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 8152.6-2025 Methods for chemical analysis of lead concentrates—Part 6:Determination of bismuth content