Determining arsenic in elemental antimony containing selenium and tellurium
Journal Article
·
· Ind. Lab. (Engl. Transl.); (United States)
OSTI ID:5472088
The authors have developed a method of determining arsenic in metallic antimony containing selenium, tellurium, and mercury, in which they isolated it in elementary form for separation from the antimony and the associated elements (silicon and phosphorus), followed by colorimetric determination of the arsenic from arsenic-molbdenum blue. The reducing agents to reduce the arsenic were sodium hypophosphite and tin(II) chloride, which do not reduce antimony and which do not interfere with the determination. This method of determining arsenic in metallic antimony without preliminary separation of the selenium and tellurium is in no way inferior in accuracy to the method given in All-Union State Standard (GOST) 1367.4-83.
- Research Organization:
- Central Asian Nonferrous Metallurgy RandD Institute, Tashkent
- OSTI ID:
- 5472088
- Journal Information:
- Ind. Lab. (Engl. Transl.); (United States), Journal Name: Ind. Lab. (Engl. Transl.); (United States) Vol. 51:7; ISSN INDLA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400104* -- Spectral Procedures-- (-1987)
ABSORPTION SPECTROSCOPY
ACCURACY
ANTIMONY
ARSENIC
CHALCOGENIDES
CHEMICAL ANALYSIS
CHEMICAL REACTIONS
CHLORIDES
CHLORINE COMPOUNDS
ELEMENTS
HALIDES
HALOGEN COMPOUNDS
HYDROGEN COMPOUNDS
HYPOPHOSPHOROUS ACID
INORGANIC ACIDS
MERCURY
METALS
MOLYBDENUM BLUE
MOLYBDENUM COMPOUNDS
MOLYBDENUM OXIDES
OXIDES
OXYGEN COMPOUNDS
PIGMENTS
QUANTITATIVE CHEMICAL ANALYSIS
REDUCING AGENTS
REDUCTION
REFRACTORY METAL COMPOUNDS
SAMPLE PREPARATION
SELENIUM
SEMIMETALS
SPECTROSCOPY
TELLURIUM
TIN CHLORIDES
TIN COMPOUNDS
TIN HALIDES
TRANSITION ELEMENT COMPOUNDS
400104* -- Spectral Procedures-- (-1987)
ABSORPTION SPECTROSCOPY
ACCURACY
ANTIMONY
ARSENIC
CHALCOGENIDES
CHEMICAL ANALYSIS
CHEMICAL REACTIONS
CHLORIDES
CHLORINE COMPOUNDS
ELEMENTS
HALIDES
HALOGEN COMPOUNDS
HYDROGEN COMPOUNDS
HYPOPHOSPHOROUS ACID
INORGANIC ACIDS
MERCURY
METALS
MOLYBDENUM BLUE
MOLYBDENUM COMPOUNDS
MOLYBDENUM OXIDES
OXIDES
OXYGEN COMPOUNDS
PIGMENTS
QUANTITATIVE CHEMICAL ANALYSIS
REDUCING AGENTS
REDUCTION
REFRACTORY METAL COMPOUNDS
SAMPLE PREPARATION
SELENIUM
SEMIMETALS
SPECTROSCOPY
TELLURIUM
TIN CHLORIDES
TIN COMPOUNDS
TIN HALIDES
TRANSITION ELEMENT COMPOUNDS