GB/T 4702.18-2020
Chromiun metal—Determination of vanadium content—Tantalum reagent trichloromethane extraction spectrophtometry method (English Version)
- Standard No.
- GB/T 4702.18-2020
- Language
- Chinese, Available in English version
- Release Date
- 2020
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 4702.18-2020
- Scope
- This part of GB/T4702 specifies the tantalum reagent chloroform extraction spectrophotometric method for the determination of vanadium content. This section applies to the determination of vanadium content in metallic chromium, the determination range (mass fraction): 0.010% ~ 0.500%.
GB/T 4702.18-2020 Referenced Document
- GB/T 12806 Laboratory glassware.One-mark volumetric flasks
- GB/T 12808 Laboratory glass instrument single marked line pipette
- GB/T 4010 Ferroallys sampling and preparation of samples for chemical analysis
- GB/T 6682 Water for analytical laboratory use.Specification and test methods
- GB/T 7729 Chemical analysis of metallurgical products—General rule for spectrophotometric methods*， 2021-08-20 Update
- GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 4702.18-2020 history
- 2020 GB/T 4702.18-2020 Chromiun metal—Determination of vanadium content—Tantalum reagent trichloromethane extraction spectrophtometry method
GB/T 4702.18-2020 -All Parts
GB/T 4702.1-2016 Chromium metal.Determination of chromium content.The ammonium ferrous sulfate titrimetric method
GB/T 4702.10-1985 Methods for chemical analysis of chromium metal--The cupral spectrophotometric method for the determination of copper content
GB/T 4702.11-1985 Methods for chemical analysis of chromium metal--The alizarin violet spectrophotometric method for the determination of tin content
GB/T 4702.12-1987 Methods for chemical analysis of chromium metal--The oscilloplarographic method for the determination of bismuth content
GB/T 4702.13-1987 Methods for chemical analysis of chromium metal--The oscilloplarographic method for the determination of lead content
GB/T 4702.14-1988 Methods for chemical analysis of chromium metal--The infrared absorption method for the determination of carbon content
GB/T 4702.15-2016 Chromium metal—Determination of lead,tin,bismuth,antimony and asenic content—Inductively coupled plasma mass spectrometric method
GB/T 4702.16-2008 Chromium metal. Determination of sulfur content. Infrared absorption method and combustion-neutralization titration method
GB/T 4702.17-2016 Chromium metal─Determination of oxygen, nitrogen and hydrogen content─Inert gas fusion thermal infrared detection method and conductivity method
GB/T 4702.18-2020 Chromiun metal—Determination of vanadium content—Tantalum reagent trichloromethane extraction spectrophtometry method
GB/T 4702.2-2008 Chromium metal. Determination of silicon content. The perchloric acid gravimetric method
GB/T 4702.3-2016 Determination of the content of chromium and phosphorus in metals Bismuth phosphorus molybdenum blue spectrophotometric method
GB/T 4702.4-2008 Chromium metal. Determination of iron content. EDTA titrimetric method and flame atomic absorption spectrometric method
GB/T 4702.5-2008 Chromium metal. Determination of aluminium content. EDTA titrimetric method and flame atomic absorption spectrometric method
GB/T 4702.6-2016 Chromium metal—Determination of iron, aluminium, silicon and copper content—Inductively coupled plasma atomic emission spectrometry method
GB/T 4702.7-2016 Chromium metal.Determination of nitrogen content.Distillation-nessler reagent spectrophotometric method
GB/T 4702.8-1985 Methods for chemical analysis of chromium metal--The distillation-molybdenum blue spectrophotometric method for the determination of arsenic content
GB/T 4702.9-1985 Methods for chemical analysis of chromium metal--The crystal violet spectrophotometric method for the determination of antimony content