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Add the rest of the silver chloride and heat slowly over a Bunsen burner until it begins to fuse.
It is heated by one or two Bunsen burners, according to the temperature desired.— Jour.
The tube is dried by aspirating air through it, and gently warming with a Bunsen burner.
When it is dry, the cup is heated on a pipe-clay triangle over a Bunsen burner, or on a slab of asbestos in a muffle, to a dull-red heat.
