我按照In a typical synthesis,cadmium chloride (CdCl2,0.04 molL-1,4 mL) was diluted to 50 mL in a one-necked flask,and trisodium citrate dihydrate (100 mg),Na2TeO3 (0.01 molL-1,4 mL), L-cysteine (50 mg),and sodium boro-
hydride (NaBH4,50 mg) were added with stirring.我的颜色变紫色了，请问是什么原因呢？ |
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