Specifies a reduced molybdophosphate photometric method for the determination of the total phosphorus content of hard coal, lignites and coke. Two methods for taking the phosphorus into solution are specified, namely extraction from the coal or coke ash with acid or by repeated oxidation of the coal or coke, by acid, to remove carbonaceous mattter.
Số hiệu tiêu chuẩn
SANS 52:1981*SABS ISO 622:1981
Tên tiêu chuẩn
Solid mineral fuels - Determination of phosphorus content - Reduced molybdophosphate photometric method
Ngày phát hành
2001-04-20
Tiêu chuẩn tương đương
ISO 622 1981 IDT
Tiêu chuẩn liên quan
ISO 1171 * ISO 1988 * ISO 2309 * ISO 383 * ISO 565
Từ khóa
CHEMICAL ANALYSIS AND TESTING * COAL * COKE * DETERMINATION OF CONTENT * LIGNITE * ORTHOPHOSPHATES * PHOSPHATES * PHOSPHORUS * SOLID FUELS * SOLID MINERAL FUELS * SPECTROSCOPY * TESTING * Testing * Chemical analysis and testing * Spectroscopy * Phosphates * Lignite * Orthophosphates * Coal * Coke * Solid fuels * Phosphorus * Determination of content