As for the problem for raw materials or operation technics, the low molecular aldehydes and phthalates would be introduced into poly-vinylacetate emulsion when it was in process of production. The aldehydes would injure human skin, indigestion system and even nuclear immune system; and there were 6 phthalates (DMP, DEP, DBP, BBP, DEHP, DNOP) had been listed onto“priority controlling pollutants”by American Environment Protection Agency (EPA). So the rapid and accurate analysis of them became more and...