Electrospray ionization mass spectrometry (ESI MS) and collisional activation technology were used to determine target compound and compounds that were produced in side reactions in ractopamine synthesis.

Simultaneous determination of ractopamine and clenbuterol residues in meat products by liquid chromatography-electrospray-ionization/mass spectrometry;

Detemination of ractopamine with liquid chromatography mass spectrometry in feeds;

Rapid determination of ractopamine in swine feed by using GC/MS;

A method was developed for determining residual clenbuterol and ractopamine in animal liver(tissues) using solid phase extraction(SPE) with gas chromatography-mass spectrometry(GC-MS).

Study on spectral and immune identification of artificial antigen of ractopamine

And his extreme nominalism is his idea of philosophy and a concentrated expression of thought, the idea in the whole philosophy at Barclays co-ordinate position, because it covers the philosophy and system of Barclays various points, and the abstract concept of anti - theory as the core to the external radiation.