1、Food additive--Ponceau 4R
2、Food additive--Ponceau 4R aluminum lake
3、Detemination of Food Pigment Ponceau 4R Using Chemical Sensor with PVC Membrane
4、The Toxicological Study and Food Determination of Artificial Synthetic Azo Pigment Ponceau 4R;
5、Certified Reference Materials of Synthetic Dye-stuff for Food Additive Amaranth, Ponceau 4R,Tartrazine, Brilliant Blue and Sunset Yellow