Add time:08/29/2019         Source:sciencedirect.com

The decomposition of organic samples using open-tube fusion with SODIUM-LEAD ALLOY (cas 12740-44-2) was demonstrated to be safe, complete, and controlled, in most cases. The detection of heteroelements in the fusion mixture of common organic samples was successful with samples of 10 to 20 mg. Detection of chlorine and nitrogen by classical methods in “difficult” compounds was secured, and the detection of fluorine in the fusion mixture of fluorocompounds extended the use of the alloy into this area. The use of the pyrazolone color reaction in the detection of nitrogen allowed the detection of more minute amounts of nitrogen than was previously detected using Prussian blue formation. The detection limits for heteroelements in organic samples were in the low microgram region. The application of sodium-lead alloy in quantitative work was briefly studied and will be considered in greater detail in the future.

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