metallochromic indicator
英
美
金属指示剂
双语例句
- PAN-S as a Metallochromic Indicator
PAN-S作为络合滴定指示剂的研究 - Nonionic surfactants used in EDTA titration method 1-2 ( pyridylazo)-2-naphthol-nonionic surfactants system used as metallochromic indicator
非离子表面活性剂-PAN体系用作络合滴定指示剂