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GB/T 1819.15-2006 Methods for chemical analysis of tin concentrates―Determination of fluorine content―The ion-selective electrode method $224.00 via email in 1~3 business day superseded
GB/T 1819.15-2017 Methods for chemical analysis of tin concentrates - Part 15: Determination of fluorine content - The ion-selective electrode method $100.00 via email in 1~3 business day valid
GB/T 1819.16-2006 Methods for chemical analysis of tin concentrates - Determination of silver content - Flame atomic absoption spectrometric method $100.00 via email in 1~3 business day superseded
GB/T 1819.16-2017 Methods for chemical analysis of tin concentrats - Part 16: Determination of siliver content - Flame atomic absorption spectrometry $100.00 via email in 1~3 business day valid
GB/T 1819.17-2006 Methods for chemical analysis of tin concentrates―Determination of mercury content―The cold vapor atomic absorption spectrometric method $224.00 via email in 1~3 business day superseded
GB/T 1819.17-2017 Methods for chemical analysis of tin concentrates - Part 17: Determination of mercury content - Atomic fluorescence spectrometric method $100.00 via email in 1~3 business day valid
GB/T 1819.2-2004 Methods for chemical analysis of tin concentrates - Determination of tin content - The potassium iodate titrimetric method $115.00 via email in 1~3 business day valid
GB/T 1819.3-2004 Methods for chemical analysis of tin concentrates - Determination of iron content - The cerium sulfate titrimetric method $86.00 via email in 1~3 business day valid
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 $60.00 via email in 1~3 business day valid
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 titri $60.00 via email in 1~3 business day valid
GB/T 1819.7-2004 Methods for chemical analysis of tin concentrates - Determination of bismuth content - Flame atomic absorption spectrometric method $184.00 via email in 1~3 business day superseded
GB/T 1819.7-2017 Methods for chemical analysis of tin concentrates - Part 7: Determination of bismuth content - Flame atomic absorption spectrometric method $100.00 via email in 1~3 business day valid
GB/T 1819.8-2004 Methods for chemical analysis of tin concentrates - Determination of zinc content - Flame atomicabsorption spectrometric method $184.00 via email in 1~3 business day superseded
GB/T 1819.8-2017 Methods for chemical analysis of tin concentrates―Part 8:Determination of zinc content―Flame atomic absorption spectrometric method $100.00 via email in 1~3 business day valid
GB/T 1819.9-2004 Methods for chemical analysis of tin concentrates - Determination of tungsten trioxide content - The thiocyanate spectrophotometric meethod $264.00 via email in 1~3 business day superseded
GB/T 1819.9-2017 Methods for chemical analysis of tin concentrates - Part 9: Determination of tungsten trioxide content - The thiocyanate spectrophotometric method $100.00 via email in 1~3 business day valid
GB/T 1820-1979 Determination of tin content in tin concentrates--Beryllium as carrier-fusion with sodium peroxide iodate titrimetric method $180.00 via email in 1~3 business day abolished
GB/T 1821-1979 Determination of iron content in tin concentrates--Dichromate volumetric method $184.00 via email in business day superseded
GB/T 1822-1979 Determination of copper content in tin concentrates;Biscyclohexanone oxalyl-dihydrazone photometric method $184.00 via email in 1~3 business day superseded
GB/T 1823-1979 Determination of lead content in tin concentrates $180.00 via email in 1~3 business day superseded
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