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 0,000 5 % (m/m) only in unalloyed steel, and between 0,000 5 % (m/m) and 0,012 % (m/m) in steel.
GSO ISO 10153:2015 history
2015GSO ISO 10153:2015 Steel -- Determination of boron content -- Curcumin spectrophotometric method