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YS/T 229.3-2013 Methods for Chemical Analysis of High Pure Lead - Part 3: Determination of Antimony Content - Atomic Fluorescence Spectrometry $120.00 via email in 1~3 business day valid
YS/T 229.4-2013 Chemical Analysis Methods for High Purity Lead - Part 4: Determination of Trace Impurity Elements Content - Glow Discharge Mass Spectrometry $120.00 via email in 1~3 business day valid
YS/T 239.1-1994 Chemical analysis of antimony trisulfide $15.00 via email in 1~3 business day superseded
YS/T 239.1-2010 Methods for chemical analysis of antimony trisulfide—Part 1:Determination of arsenic content—Cerium sulfate titration method $120.00 via email in 1~3 business day valid
YS/T 239.2-1994 Chemical analysis of antimony trisulfide. The barium sulfate gravimetric method for determination of combined sulfur $15.00 via email in 1~3 business day superseded
YS/T 239.2-2010 Methods for chemical analysis of antimony trisulfide—Part 2:Determination of combined sulfur content—Combustion-neutralization titration method $120.00 via email in 1~3 business day valid
YS/T 239.3-1994 Chemical analysis of antimony trisulfide. The combustion-iodine volumetric method for determination of free sulfur $45.00 via email in 1~3 business day superseded
YS/T 239.3-2010 Methods for chemical analysis of antimony trisulfide - Part 3: Determination of free sulfur content - Burning and sodium hydroxide titration method $150.00 via email in 1~3 business day valid
YS/T 239.4-1994 Chemical analysis of antimony trisulfide. Gravimetric method for determination of aqua-regia insolubles $15.00 via email in 1~3 business day superseded
YS/T 239.4-2010 Methods for chemical analysis of antimony trisulfide - Part 4: Determination of aqua-regia insolubles content - Gravimetric method $90.00 via email in 1~3 business day valid
YS/T 239.5-1994 Chemical analysis of antimony trisulfide Gravimetric method for determination of hydrochloric acid insolubles $180.00 via email in 1~3 business day valid
YS/T 239.5-2010 Methods for chemical analysis of antimony trisulfide—Part 5:Determination of arsenic content—Arsenic molybdenum blue spectrophotometric method $120.00 via email in 1~3 business day valid
YS/T 239.6-2010 Methods for chemical analysis of antimony trisulfide - Part 6: Determination of iron content - Neighbouring phenanthroline spectrophotometric method $90.00 via email in 1~3 business day valid
YS/T 239.7-2010 Methods for chemical analysis of antimony trisulfide - Part 7: Determination of lead content - Flame atomic absorption spectrometric method $90.00 via email in 1~3 business day valid
YS/T 240.1-2007 Methods for chemical analysis of bismuth concentrate - Determination of bismuth content-Na2EDTA titrimetric method $90.00 via email in 1~3 business day to be superseded
YS/T 240.10-2007 Methods for chemical analysis of bismuth concentrate-Determination of aluminium oxide content-Chromazurol S spectrophotometric method $75.00 via email in 1~3 business day to be superseded
YS/T 240.11-2007 Methods for chemical analysis of bismuth concentrate-Determination of silver content-Flame atomic absorption spectrometric method $75.00 via email in 1~3 business day to be superseded
YS/T 240.2-2007 Methods for chemical analysis of bismuth concentrate - Determination of lead content-Na2EDTA titrimetric method and flame atomic absorption spectrometric method $150.00 via email in 1~3 business day to be superseded
YS/T 240.3-2007 Methods for chemical analysis of bismuth concentrate - Determination of silicon dioxide content-Molybdenum blue spectrophotometric method and gravimetric method $90.00 via email in 1~3 business day to be superseded
YS/T 240.4-2007 Methods for chemical analysis of bismuth concentrate - Determination of tungsten trioxide content-Thiocyanate spectrophotometric method $60.00 via email in 1~3 business day to be superseded
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