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5.
used slowed an approximate arsenic content
of 0.001 per cent. Such of the two boiler fellings,
therefore introduced about 200 mgms. of arsenic
which much can reacted with nascent
hydrogen arising from the acid action
on the steel boiler, forming
of arseniurelled hydrogency.This
which is litter soluble in water,
of is a heavy gas and some pockets
of it much has remained in the boiler.