以葫[7]环联脲(CB[7])作为毛细管电泳添加剂,成功地分离了6种硝基苯类化合物.考察了pH值对电渗流的影响,初步评价了其基本的电泳性......

高纯石英砂用HF等溶剂溶解并蒸干后,在微酸性介质中用抗坏血酸还原Fe3+为Fe2+,与1,10-二氮杂菲形成Fe2+3络合物,加入适量ClO-4阴离......

The photochemical reaction of nilrobenzaldehyde with indole and antipyrine was investigated in solid state.The structure......

苯与发烟硝酸和硫酸,一步合成m—二硝基苯。此法优点是反应时间短,重复性好,易分离,产率75％。......