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kromogena aemnen eller av kromogena aemnen och peroxida blandningar innehaollande bestaendiga kemiska kompositioner och foerfaranden foer bildande av bestaendiga kemiska kompositioner.
kromogena aemnen eller av kromogena aemnen och peroxida blandningar innehaollande bestaendiga kemiska kompositioner och foerfaranden foer bildande av bestaendiga kemiska kompositioner.
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机译:包含持久性化学成分的生色物质或生色物质和过氧化物混合物,以及形成持久性化学成分的方法。
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@ Chromogenic materials which react to give a color reaction when in the presence of a peroxide ROOR' decomposing to give a radical oxygen are unstable when dissolved to give working solutions for use in chromogenic reactions. Compositions containing in addition to the chromogenic material also a peroxide needed in the said reaction are also unstable, leading to premature appearance of color.;Stable chemical compositions containing chromogenic materials and stable compositions containing mixtures of chromogenic materials and peroxides are described, which can be used in chromogenic reactions after having been stored for long periods of time. Also described are stabilizing chemical compositions and methods for obtaining the said stable compositions.
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