Dong Y, Shen H
Changzhou Sanitation and Anti-epidemic, 213003 Changzhou.
Guang Pu Xue Yu Guang Pu Fen Xi. 1999 Apr;19(2):206-7.
This paper reports the development of the determination of trace metal Co in XF-210 phosphono-acid dirt preventing agent by flame atomic absorption spectrophotometry. The method is convenient and the results show good precision and accuracy. The relative standard deviation was 1.42% and the rate of recovery was 95.7%.