GB/T 728-2020 Tin ingot

GB/T 728-2010 Ingot tin

GB/T 3260.1-2000 Methods for chemical analysis of tin—Determination of copper content GB/T 3260.1-2013 Methods for chemical analysis of tin—Part 1:Determination of copper content—Flame atomic absorption spectrometric method GB/T 3260.2-2000 Methods for chemical analysis of tin—Determination of iron content GB/T 3260.2-2013 Methods for chemical analysis of tin—Part 2:Determination of iron content—1,10-phenanthroline photometric method GB/T 3260.3-2000 Methods for chemical analysis of tin—Determination of bismuth content GB/T 3260.3-2013 Methods for chemical analysis of tin—Part 3:Determination of bismuth content—KI photometric method and flame atomic absorption spectrometric method GB/T 3260.4-2000 Methods for chemical analysis of tin—Determination of lead content GB/T 3260.4-2013 Methods for chemical analysis of tin—Part 4:Determination of lead content—Flame atomic absorption spectrometric method GB/T 3260.5-2000 Methods for chemical analysis of tin—Determination of antimony content GB/T 3260.5-2013 Methods for chemical analysis of tin—Part 5:Determination of antimony content—The malachite green photometric method GB/T 3260.6-2000 Methods for chemical analysis of tin—Determination of arsenic content GB/T 3260.6-2013 Methods for chemical analysis of tin—Part 6:Determination of arsenic contents—Malachite green arsenic molybdenum heteropoly acid photometric method GB/T 3260.7-2000 Methods for chemical analysis of tin—Determination of aluminum content GB/T 3260.7-2013 Methods for chemical analysis of tin—Part7:Determination of aluminium content—Electrothermal atomic absorption spectrometric method GB/T 3260.8-2013 Methods for chemical analysis of tin—Part 8:Determination of zinc content—Flame atomic absorption spectrometric method GB/T 3260.9-2000 Methods for chemical analysis of tin—Determination of lead, copper and zinc content GB/T 3260.9-2013 Methods for chemical analysis of tin—Part 9:Determination of sulphur content—Infra-red absorption method after high frequency induction furnace combustion GB/T 3260.10-2000 Methods for chemical analysis of tin—Determination of sulphur content GB/T 3260.10-2013 Methods for chemical analysis of tin—Part 10:Determination of cadmium content—Flame atomic absorption spectrometric method GB/T 3260.11-2000 Methods for chemical analysis of tin—Determination of cadmium content GB/T 3260.11-2023 Methods for chemical analysis of tin—Part 11:Determination of copper,iron,bismuth,lead,antimony,arsenic,aluminum,zinc,cadmium,silver,nickel and cobalt 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 3260.1-2024 Methods for chemical analysis of tin—Part 1:Determination of copper, lead, zinc, cadmium,silver,nickel and cobalt contents—Flame atomic absorption spectroscopy