YS/T 339-2011 Tin concentrate

YS/T 339-2002 Tin concentrate

GB/T 14260-1993 General rules for sampling and sample preparation of heavy nonferrous metals flotation concentrates in bulk GB/T 14260-2010 General rules for sampling and sample preparation of heavy nonferrous metals flotation concentrates in bulk GB/T 1819.1-2004 Methods for chemical analysis of tin concentrates—Determination of water content—The weighing method GB/T 1819.1-2022 Methods for chemical analysis of tin concentrates—Part 1:Determination of moisture content—Heat drying method GB/T 1819.2-2004 Methods for chemical analysis of tin concentrates—Determination of tin content—The potassium iodate titrimetric method GB/T 1819.3-2004 Methods for chemical analysis of tin concentrates—Determination of iron content—The cerium sulfate titrimetric method GB/T 1819.4-2004 Methods for chemical analysis of tin concentrates—Determination of lead content—Flame atomic absorption spectrometric method and EDTA titrimetric method GB/T 1819.5-2004 Methods for chemical analysis of tin concentrates—Determination of arsenic content—The molybdoantimonyarsenate blue spectrophotometric method and the distillation-iodimetric titrimetric method GB/T 1819.6-2004 Methods for chemical analysis of tin concentrates—Determination of antimony content—The malachite green spectrometric method and the flame atomic absorption spectrometric method GB/T 1819.7-2004 Methods for chemical analysis of tin concentrates—Determination of bismuth content—Flame atomic absorption spectrometric method GB/T 1819.7-2017 Methods for chemical analysis of tin concentrates—Part 7:Determination of bismuth content—Flame atomic absorption spectrometric method GB/T 1819.8-2004 Methods for chemical analysis of tin concentrates-Determination of zinc content—Flame atomicabsorption spectrometric method GB/T 1819.8-2017 Methods for chemical analysis of tin concentrates—Part 8：Determination of zinc content—Flame atomic absorption spectrometric method GB/T 1819.9-2004 Methods for chemical analysis of tin concentrates—Determination of tungsten trioxide content—The thiocyanate spectrophotometric method GB/T 1819.9-2017 Methods for chemical analysis of tin concentrates—Part 9:Determination of tungsten trioxide content—The thiocyanate spectrophotometric method GB/T 1819.10-2004 Methods for chemical analysis of tin concentrates—Determination of sulphur content—The high frequency infrared absorption method and the combustion potassium iodate titrimetric method GB/T 1819.10-2017 Methods for chemical analysis of tin concentrates—Part 10:Determination of sulfur content—High frequency combustion with infrared absorption method and potassium iodate titrimetric method GB/T 1819.11-2004 Methods for chemical analysis of tin concentrates—Determination of aluminum oxide content—The chromazuzol S spectrophotometric method GB/T 1819.11-2017 Methods for chemical analysis of tin concentrates—Part 11:Determination of aluminium oxide content—Chromazuzal S spectrophotometric method GB/T 1819.12-2004 Methods for chemical analysis of tin concentrates—Determination of silicon dioxide content—The silicomolybdenum blue spectrophotometric method GB/T 1819.12-2017 Methods for chemical analysis of tin concentrates—Part 12:Determination of silicon dioxide content—The silicomolybdenum blue spectrophotometry and sodium hydroxide titration GB/T 1819.13-2004 Methods for chemical analysis of tin concentrates—Determination of magnesium oxide and calcium oxide contents—Flame atomic absorption spectrometric method GB/T 1819.13-2017 Methods for chemical analysis of tin concentrates—Part 13:Determination of magnesium oxide content,calcium oxide content—Flame atomic absorption spectrometric method GB/T 1819.14-2006 Methods for chemical analysis of tin concentrates—Determination of copper content—Flame atomic absorption spectrometric method GB/T 1819.14-2017 Methods for chemical analysis of tin concentrates—Part 14:Determination of copper content—Flame atomic absorption spectrometry GB/T 1819.15-2006 Methods for chemical analysis of tin concentrates—Determination of fluorine content—The ion-selective electrode method GB/T 1819.15-2017 Methods for chemical analysis of tin concentrates—Part 15:Determination of fluorine content—The ion-selective electrode method GB/T 1819.16-2006 Methods for chemical analysis of tin concentrates—Determination of silver content—Flame atomic absoption spectrometric method GB/T 1819.16-2017 Methods for chemical analysis of tin concentrats—Part 16:Determination of siliver content—Flame atomic absorption spectrometry GB/T 1819.17-2006 Methods for chemical analysis of tin concentrates—Determination of mercury content—The cold vapor atomic absorption spectrometric method GB/T 1819.17-2017 Methods for chemical analysis of tin concentrates—Part 17:Determination of mercury content—Atomic fluorescence spectrometric method 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