Abstract
Wickbold combustion in a standard quartz apparatus with a suction burner is suitable for phosphorus determination in acetonesoluble materials if the samples are burned together with an organic halide, e. g. carbon tetrachloride. Probably phosphorus halides are formed which pass through the hot parts of the apparatus fast enough not to react with the quartz walls. The recovery is 95–100% for amounts of phosphorus up to 3.5 mg per combustion.
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