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standard by International Organization for Standardization, 09/01/1997
This International Standard specifies a curcumin spectrophotometric method for the determination of the boron content in steel.
The method is applicable to a boron content of between 0,000 1 % (m/m) and 0,00 5 % (m/m) only in unalloyed steel, and between 0,000 5 % (m/m) and 0,012 % (m/m) in steel.