The method of calibration for the P213nm and P214nm spectrums with seriously spectrum interference by multi component spectral fitting(MSF) is introduced,which can also be used to determine phosphorous in iron and steel.

• :研究了采用多谱线拟合 (MSF)法来校正存在严重的光谱干扰的P2 1 3nm、P2 1 4nm谱线 ,并以之来测定钢铁中的磷含量。