GB/T 4324.28-1984
Methods for chemical analysis of tungsten--The thiocyanate photometric method for the determination of molybdenum content
2013-10
- Standard No.
- GB/T 4324.28-1984
- Language
- Chinese
- Release Date
- 1984
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Replace By
- GB/T 4324.28-2012
- Lastest
- GB/T 4324.28-2012
- Scope
- This standard is applicable to the determination of molybdenum content in tungsten powder, tungsten bar, tungsten trioxide, tungstic acid and ammonium paratungstate. Measuring range: 0.0015 to 0.35%.
GB/T 4324.28-1984 history
- 2012 GB/T 4324.28-2012 Methods for chemical analysis of tungsten.Part 28:Determination of molybdenum content.The thioyanate spectrophotometry
- 1984 GB/T 4324.28-1984 Methods for chemical analysis of tungsten--The thiocyanate photometric method for the determination of molybdenum content
GB/T 4324.28-1984 -All Parts
GB/T 4324.1-2012 Methods for chemical analysis of tungsten.Part 1:Determination of lead content.Flame atomic absorption spectrometry
GB/T 4324.10-2012 Methods for chemical analysis of tungsten.Part 10:Determination of copper 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 4324.12-2012 Methods for chemical analysis of tungsten.Part 12:Determination of silicon content.Chlorization-molybdenum blue spectrophotometry
GB/T 4324.13-2008 Methods of chemical analysis of tungsten Determination of calcium content Inductively coupled plasma atomic emission spectrometry
GB/T 4324.14-2012 Methods for chemical analysis of tungsten.Part 14:Determination of residue content after chloride volatility.Gravimetric method
GB/T 4324.15-2008 Methods for chemical analysis of tungsten.Determination of magnesium content.The flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry
GB/T 4324.16-2012 Methods for chemical analysis of tungsten.Part 16:Determination of loss content on ignition.Gravimetric method
GB/T 4324.17-2012 Methods for chemical analysis of tungsten.Part 17:Determination of sodium content.Flame atomic absorption spectrometry
GB/T 4324.18-2012 Methods for chemical analysis of tungsten.Part 18:Determination of potassium content.Flame atomic absorption spectrometry
GB/T 4324.19-2012 Methods for chemical analysis of tungsten.Part 19:Determination of titanium content.The diantipyrylmethane photometric spectrophtometry
GB/T 4324.2-2012 Methods for chemical analysis of tungsten.Part 2:Determination of bismuth content.Hydrogenate atomic absorption 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 4324.21-2012 Methods for chemical analysis of tungsten.Part 21:Determination of chromium content.Inductively coupled plasma atomic emission spectrometry
GB/T 4324.22-2012 Methods for chemical analysis of tungsten.Part 22:Determination of manganese content.Inductively coupled plasma atomic emission spectrometry
GB/T 4324.23-2012 Methods for chemical analysis of tungsten.Part 23:Determination of sulfur content.The combustion-conductometric titration and high frequency combustion-infrared absorption method
GB/T 4324.24-2012 Methods for chemical analysis of tungsten.Part 24:Determination of phosphorus content.Molybdemum blue photometry
GB/T 4324.25-2012 Methods for chemical analysis of tungsten.Part 25:Determination of oxygen content.Pulse heating inert gas fusion -infrared absorption method
GB/T 4324.26-2012 Methods for chemical analysis of tungsten.Part 26:Determination of nitrogen content.Pulse heating inert gas fusion-thermal conductive method and the Nessler reagent spectrophotometry
GB/T 4324.27-2012 Methods for chemical analysis of tungsten.Part 27:Determination of carbon content.High frequency combustion -infrared absorption method
GB/T 4324.28-2012 Methods for chemical analysis of tungsten.Part 28:Determination of molybdenum content.The thioyanate spectrophotometry
GB/T 4324.29-1984 Methods for chemical analysis of tungsten--The gravimetric method for the determination of residue content after chloride volatility
GB/T 4324.3-2012 Methods for chemical analysis of tungsten.Part 3:Determination of tin content.Hydrogenate atomic absorption spectrometry
GB/T 4324.30-1984 Methods for chemical analysis of tungsten--The gravimetric method for the determination of loss content on ignition
GB/T 4324.4-2012 Methods for chemical analysis of tungsten.Part 4:Determination of antimony content.Hydrogenate atomic absorption spectrometry
GB/T 4324.5-2012 Methods for chemical analysis of tungsten.Part 5:Determination of arsenic content.Hydrogenate atomic absorption spectrometry
GB/T 4324.6-2012 Methods for chemical analysis of tungsten.Part 6:Determination of iron content.1,10-phenanthroline spectrophotometry
GB/T 4324.7-2012 Methods for chemical analysis of tungsten.Part 7:Determination of cobalt content.Inductively coupled plasma atomic emission spectrometry
GB/T 4324.8-2008 Methods for chemical analysis of tungsten.Determination of nickel content.The inductively coupled plasma atomic emission spectrometry、flame atomic absorption spectrometry and dimethylglyoxime gravimetry
GB/T 4324.9-2012 Methods for chemical analysis of tungsten.Part 9:Determination of cadmium content.Inductively-coupled plasma atomic emission spectrometry and flame atomic absorption spectrometry