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SAA AS 1038.9.1 January 20, 2000
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COAL AND COKE - ANALYSIS AND TESTING PART 9.1: HIGHER RANK COAL AND COKE - PHOSPHORUS - ASH DIGESTION/MOLYBDENUM BLUE METHOD
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This Standard sets out a method for the determination of phosphorus in higher rank coal and coke or in the ash of these materials, as molybdenum blue, by spectrophotometry.

This method is applicable also to the determination of phosphorus as phosphorus pentoxide in coal ash and coke ash.