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Updated: June 19, 2025
The principle of the formation consists in introducing in an efficacious manner currents of a great intensity, and thus abridging its duration. Of two plates thus treated, the one becomes positive, and is covered with a thick layer of peroxide of lead.
For manner of using, see farther on, under head of Accelerators. Bromides. A bromide treated with oil of vitriol, disengages chlorohyadic acid; but vapors of bromine are constantly disengaged, at the same time imparting a brown color to the gas. If the bromide be treated with a mixture of sulphuric acid, and peroxide of manganese, bromide is only disengaged.
The hair may be bleached with chlorine or peroxide of hydrogen, detected by letting the hair grow and by its unnatural feeling and the irregularity of the bleaching. Finger-print impressions are the most trustworthy of all means of identification. Such a print is obtained by rubbing the pulp of the finger in lampblack, and then impressing it on a glazed card.
The remaining liquor, which contains the iodine, is mixed with successive portions of sulphuric acid in a leaden retort, and after standing some days to allow the sulphureted hydrogen, etc., to escape, peroxide of manganese is added, and the whole gently heated. Iodine distills over in a purple vapor, and is condensed in a receiver, or in a series of two-necked globes. Properties.
I suppose you know all about the stage and stage people. You've been touched with and by actors, and you read the newspaper criticisms and the jokes in the weeklies about the Rialto and the chorus girls and the long-haired tragedians. Chorus girls are inseparable from peroxide, Panhards and Pittsburg. All shows walk back to New York on tan oxford and railroad ties.
Again, in the third compound, though all hands are clasped, yet one pair links oxygen with oxygen; and this also must be an unstable union, since the avidity of an atom for its own kind is relatively weak. Thus the well-known properties of hydrogen peroxide are explained, its easy decomposition, and the eagerness with which it seizes upon the elements of other compounds.
The heat evolved in the transition from protoxide to peroxide, as well as in the previous oxidation of the carbon contained in the tissues, is considered by Liebig as the cause which sustains the temperature of the body. But into this portion of the speculation we need not enter.
"I was only wondering whether I liked you as well tanned as I did when you were so nice and white, back in the city." "Cheerful thought!" said Allan, laying down his magazine entirely. "Shall I ring for Wallis and some peroxide? As you said the other day, 'I have to be approved of or I'm unhappy!" "Oh, it really doesn't matter," said Phyllis mischievously.
"That made the Leopard Boy mad, for you know that freaks are as proud of their deformities as a mother is of a new baby, and look on normal people as objects of pity. But Merritt blew his whistle and passed on to the Circassian, and he made sheep's eyes and threw a chest as his fingers toyed with her peroxide locks.
All slates, and this fact is very important, contain nearly five per cent of potash, sulphuret of iron, peroxide of iron, carbon, etc. The contact of so many moistened heterogeneous substances must necessarily lead them to a change of state and composition.
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