“ponceau”簡單造句，ponceau造句子

The satisfactory results for ponceau 4R, sunset yellow and amaranth were all 93.55%.

By taking biological dye ponceau-G as tracer, the colorimetric method was adopted to analyze the effect of solution surface tension and spray methods on deposition rate of droplets on rice plants.

Sunset yellow and ponceau 4r were simultaneously determined by dual wavelength equalizing-account method.