Certified Reference Material of chlorimuron ethyl has been prepared,purified further and separated by column chromatograph,based on synthetic original pesticide.The homogeneity and stability are inspected by spectroph...Certified Reference Material of chlorimuron ethyl has been prepared,purified further and separated by column chromatograph,based on synthetic original pesticide.The homogeneity and stability are inspected by spectrophotometry and HPLC,and determination methods of purity are studied.The qurity of chlorimuron ethyl standard material is verified to be exceed 99%.展开更多
文摘Certified Reference Material of chlorimuron ethyl has been prepared,purified further and separated by column chromatograph,based on synthetic original pesticide.The homogeneity and stability are inspected by spectrophotometry and HPLC,and determination methods of purity are studied.The qurity of chlorimuron ethyl standard material is verified to be exceed 99%.