It is difficult that a quantitate analytical method for the determination of antioxidant TNPP in SBS rubber by XRF spectrum.The analytical method determinated light element (P) from light matrix(C.H).

• 以X-射线荧光光谱法定量测定SBS橡胶中TNPP抗氧化剂(通过测定P元素),是对轻基体(C、H)中轻元素(P)的测定,有一定的难度。