LING Shao-ming1, LIAO Xian-jiu2
(1 Depertment of Chemistry and Life Science, Baise University, Baise 533000, China;
2. Depertment of Chemistry, Youjiang Medical College for Nationalities, Baise 533000, China)
Abstract: In the HAc medium, polyacrylamide (PAM) reacts with NaClO to form hydrophobic ammonia chlorate nanoparticles, which have a strong resonance scattering (RS) peak at 480 nm. The RS intensity at 480 nm (I480 nm) increases linearly with the PAM concentration in the range of 1.6～80.0 mg/L, and the detection limit is 0.30 mg/L. The effect of coexistent substances on the determination of PAM has been studied, showing that this RS method has a good selectivity. PAM in synthesized waste water samples was detected with this method with satisfactory results.
Key words: polyacrylamide; resonance scattering spectral method; sodium hypochlorite
E-mail: lingshaoming@sohu.com
Analysis and Testing Technology and Instruments, Vol. 16, No. 2, 2010, 116-119.
