GB/T 3654.1-1983
Methods for chemical analysis of ferroniobium--The paper chromatographic gravimetric method for the determination of niobium and tantalum content (English Version)

Standard No.
GB/T 3654.1-1983
Language
Chinese, Available in English version
Release Date
1983
Published By
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 3654.1-1983
Scope
This standard applies to the determination of niobium and tantalum in ferroniobium. Measuring range: niobium 50-80%, tantalum 0.4-1.5%. This standard complies with GB1467-78 "General Rules and General Provisions of Standards for Chemical Analysis Methods of Metallurgical Products".

GB/T 3654.1-1983 history

  • 1983 GB/T 3654.1-1983 Methods for chemical analysis of ferroniobium--The paper chromatographic gravimetric method for the determination of niobium and tantalum content

GB/T 3654.1-1983 -All Parts

GB/T 3654.1-1983 Methods for chemical analysis of ferroniobium--The paper chromatographic gravimetric method for the determination of niobium and tantalum content GB/T 3654.10-1983 Methods for chemical analysis of ferroniobium--The EDTA volumetric method for the determination of aluminum content GB/T 3654.2-2008 Ferroniobium. Determination of copper content. The neocuproine-choroform extraction photometric method GB/T 3654.3-2019 Ferroniobium—Determination of silicon content—Gravimetric method GB/T 3654.4-1983 Methods for chemical analysis of ferroniobium--The combustion gravimetric method for the determination of carbon content GB/T 3654.5-1983 Methods for chemical analysis of ferroniobium--The molybdenum blue photometric method for the determination of the phosphorus content GB/T 3654.6-2008 Ferroniobium. Determination of sulfur content. Combustion-iodate titrimetric method, methylene blue photometric method and infrared absorption method GB/T 3654.7-1983 Methods for chemical analysis of ferroniobium--The methylene blue photometric method for the determination of sulfur content GB/T 3654.8-2023 Determination of ferroniobium titanium content by chromophoric acid photometry and diantipyrine methane photometry GB/T 3654.9-1983 Methods for chemical analysis of ferroniobium--The thiocyanate photometric method for the determination of tungsten content


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