GB/T 5687.2-2007
Ferrochromium,silicochromium and nitrogen-bearing Ferrochromium-Determination of silicon content-The perchloric acid dehydration gravimetric method (English Version)
- Standard No.
- GB/T 5687.2-2007
- Language
- Chinese, Available in English version
- Release Date
- 2007
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 5687.2-2007
- Replace
- GB/T 4699.1-1984 GB/T 5687.2-1985
- Scope
- WARNING - Personnel using this section should have practical experience in formal laboratory work. This section does not address all possible security issues. Users are responsible for taking appropriate safety and health measures and ensuring compliance with relevant national regulations. This part of GB/T 5687 stipulates the determination of silicon content by perchloric acid dehydration gravimetric method. This part is applicable to the determination of silicon content in ferrochrome, vacuum micro-carbon ferrochrome, ferrochrome nitride and silicon-chromium alloy. The determination range (mass fraction): 0.10% to 60.00%.
GB/T 5687.2-2007 Referenced Document
- GB/T 4010 Ferroallys sampling and preparation of samples for chemical analysis*， 2015-09-11 Update
GB/T 5687.2-2007 history
- 2007 GB/T 5687.2-2007 Ferrochromium,silicochromium and nitrogen-bearing Ferrochromium-Determination of silicon content-The perchloric acid dehydration gravimetric method
- 1985 GB/T 5687.2-1985 Methods for chemical analysis of ferro-chromium--The gravimetric method for the determination of silicon content
- 1984 GB/T 4699.1-1984 Methods for chemical analysis of silicochromium--The gravimetric method for the determination of silicon content
GB/T 5687.2-2007 Ferrochromium,silicochromium and nitrogen-bearing Ferrochromium-Determination of silicon content-The perchloric acid dehydration gravimetric method has been changed from GB/T 4699.1-1984 Methods for chemical analysis of silicochromium--The gravimetric method for the determination of silicon content.
GB/T 5687.2-2007 -All Parts
GB/T 5687.1-1985 Methods for chemical analysis of ferro-chromium--The ammonium persulfate oxidation volumetric method for the determination of chromium content
GB/T 5687.10-2006 Ferrochromium - Determination of manganese content - Flame atomic absorption spectrometric method
GB/T 5687.11-2006 Ferrochromium - Determination of titanium content - Diantipyrylmethane spectrophotometric method
GB/T 5687.12-2020 Ferrochromium—Determination of phosphorus, aluminum, titanium, copper, manganese, calcium content—Inductively coupled plasma atomic emission spectrometric method
GB/T 5687.13-2021 Ferrochromium—Determination of chromium, silicon, manganese, titanium, vanadium, iron contents—Wavelength dispersive X-ray fluorescence spectrometry (fused cast bead method)
GB/T 5687.2-2007 Ferrochromium,silicochromium and nitrogen-bearing Ferrochromium-Determination of silicon content-The perchloric acid dehydration gravimetric method
GB/T 5687.3-1985 Methods for chemical analysis of ferro-chromium--The molybdenum blue photometric method for the determination of phosphorus content
GB/T 5687.4-2016 Nitrogen-bearing ferrochromium and nitride ferrochrome with high nitrogen content.Determination of nitrogen content.The distillation-neutralization titration method
GB/T 5687.5-1988 Methods for chemical analysis of ferro-chromium--The infrared absorption method for the determination of carbon content
GB/T 5687.6-1988 Methods for chemical analysis of ferro-chromium--The coulometric method for the determination of carbon content
GB/T 5687.7-1988 Methods for chemical analysis of ferro-chromium--The gravimetric method for the determination of carbon content
GB/T 5687.8-1988 Methods for chemical analysis of ferro-chromium--The infrared absorption method for the determination of sulfur content
GB/T 5687.9-1988 Methods for chemical analysis of ferro-chromium--The combustion-neutralization titration method for the determination of sulfur content