GOST 23260.5-78
ГОСТ 23260.5-78
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Marble. Method for the determination of phosphorus
Мрамор. Метод определения содержания фосфора
Status: Effective - Supersedes. The limitation of the effectiveness period has been lifted: Protocol No. 4-93 of the IGU dated 10.21.93 (IUS 4-1994)
The standard applies to natural marble in the form of blocks, pieces, powder, powder and establishes a photocolorimetric method for determining the phosphorus content. The method is based on the formation of a yellow complex compound of phosphorus with a solution of molybdenum-vanadium heteropoly acid in a nitric acid medium and photometry of the colored solution.
Стандарт распространяется на естественный мрамор в виде блоков, кусков, крошки, порошка и устанавливает фотоколориметрический метод определения содержания фосфора. Метод основание на образовании желтого комплексного соединения фосфора с раствором молибденованадиевой гетерополикислоты в азотнокислой среде и фотометрировании окрашенного раствора.
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Format: Electronic (pdf/doc)
Approved: USSR State Committee for Standards,
8/23/1978
SKU: RUSS47348
The Product is Contained in the Following Classifiers:
Construction (Max) »
Standards »
Other state standards used in construction »
73 Mining and minerals »
PromExpert »
SECTION I. TECHNICAL REGULATION »
V Testing and control »
4 Testing and control of products »
4.1 Testing and control of products of mining and non-metallic industry »
4.1.2 Non-metallic minerals, materials and products »
ISO classifier »
73 MINING AND MINERAL PRODUCTS »
73.080 Non-metallic minerals »
National standards »
73 MINING AND MINERAL PRODUCTS »
73.080 Non-metallic minerals »
National Standards for KGS (State Standards Classification) »
Latest edition »
A. Mining. Minerals »
A4 Natural building materials and stones »
A49 Test methods. Packaging. Marking »
National Standards for OKSTU »
CONSTRUCTION MATERIALS, EXCEPT REFINED CONCRETE STRUCTURES AND PARTS »
Control methods (testing, analysis, measurements) »
The Document References:
GOST 23260.0-78: Marble. General requirements to the methods of analysis
GOST 3765-72: Ammonium molybdate
GOST 3771-74: Reagents. Ammonium dihydrogen orthophosphate Specifications
GOST 4416-73: Marble for welding material. Specifications
GOST 4461-77: Reagents. Nitric acid. Specifications
GOST 9336-75: Reagents. Ammonium metavanadate. Specifications
The Document is Referenced By:
GOST 4415-75: Chalk for electrode covering. Specifications
GOST 4416-73: Marble for welding material. Specifications
GOST 4416-94: Marble for welding material. Specifications
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