Certified Reference Materials of Synthetic Dye-stuff for Food Additive Amaranth, Ponceau 4R,Tartrazine, Brilliant Blue and Sunset Yellow
Certified Reference Materials of Synthetic Dye-stuff for Food Additive Amaranth, Ponceau 4R,Tartrazine, Brilliant Blue and Sunset Yellow
苋菜红、胭脂红、柠檬黄、亮蓝、日落黄五种食用合成色素标准物质