NFA 06 305 : 1985
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
CHEMICAL ANALYSIS OF FERROUS MATERIALS - DETERMINATION OF PHOSPHORUS IN STEELS AND IRONS - SPECTROPHOTOMETRIC METHOD
08-01-1989
01-12-2013
Specifies a spectrophotometric method for the determination of phosphorus in steel and cast iron. Applies to phosphorus contents between 0.0005 and 1.5% (m/m), provided that tungsten, niobium, zirconium and tantalum contents are not higher than 1% (m/m) for each of these four elements and 2% (m/m) is the maximum titanium content. Coverage includes reagents, apparatus and procedure.
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