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GB/T 4324.21-2012
Methods for chemical analysis of tungsten - Part 21: Determination of chromium content - Inductively coupled plasma atomic emission spectrometry
GB/T 4324.20-2012
Methods for chemical analysis of tungsten - Part 20: Determination of vanadium content - Inductively coupled plasma atomic emission spectrometry
GB/T 4324.19-2012
Methods for chemical analysis of tungsten - Part 19: Determination of titanium content - The diantipyrylmethane photometric spectrophtometry
GB/T 4324.18-2012
Methods for chemical analysis of tungsten - Part 18: Determination of potassium content - Flame atomic absorption spectrometry
GB/T 4324.17-2012
Methods for chemical analysis of tungsten - Part 17: Determination of sodium content - Flame atomic absorption spectrometry
GB/T 4324.16-2012
Methods for chemical analysis of tungsten - Part 16: Determination of loss content on ignition - Gravimetric method
GB/T 4324.14-2012
Methods for chemical analysis of tungsten - Part 14: Determination of residue content after chloride volatility - Gravimetric method
GB/T 4324.12-2012
Methods for chemical analysis of tungsten - Part 12: Determination of silicon content - Chlorization-molybdenum blue spectrophotometry
GB/T 4324.1-2012
Methods for chemical analysis of tungsten - Part 1: Determination of lead content - Flame atomic absorption spectrometry
GB/T 4324.11-2012
Methods for chemical analysis of tungsten - Part 11: Determination of aluminum content - Inductively coupled plasma atomic emission spectrometry
GB/T 4324.10-2012
Methods for chemical analysis of tungsten - Part 10: Determination of copper content - Flame atomic absorption spectrometry
GB/T 4103.9-2012
Methods for chemical analysis of lead and lead alloys - Part 9: Determination of calcium content
GB/T 4103.8-2012
Methods for chemical analysis of lead and lead alloys - Part 8: Determination of tellurium content
GB/T 4103.7-2012
Methods for chemical analysis of lead and lead alloys - Part 7: Determination of selenium content
GB/T 4103.6-2012
Methods for chemical analysis of lead and lead alloys - Part 6: Determination of arsenic content
GB/T 4103.5-2012
Methods for chemical analysis of lead and lead alloys - Part 5: Determination of bismuth content
GB/T 4103.4-2012
Methods for chemical analysis of lead and lead alloys - Part 4: Determination of iron content
GB/T 4103.3-2012
Methods for chemical analysis of lead and lead alloys - Part 3: Determination of copper content
GB/T 4103.2-2012
Methods for chemical analysis of lead and lead alloys - Part 2: Determination of antimony content
GB/T 4103.13-2012
Methods for chemical analysis of lead and lead alloys - Part 13: Determination of aluminium content