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若实验室无铂丝,怎样做焰色反应实验呢?我试用铅笔芯代替铂丝作焰色反应实验,取得了较好的效果。具体操作是这样的: 只要将铅笔削至露出4厘米笔芯,就制成了铂丝代用品。与用铂丝一
If the laboratory without platinum wire, how to do the flame reaction test? I tried the pencil instead of platinum wire flame reaction test, and achieved good results. The specific operation is this: as long as the pencil cut to expose 4 cm refill, made of platinum wire substitutes. With a platinum wire one