“…(8) Kearns, G. L., Maranowski, N. C., Crable, G. F., Ibid., 31, 1646 (1959). (9) Nixon, A. C., Thorpe, R. E., J.…”
Section: Literature Citedmentioning
confidence: 99%
“…The lithium aluminum hydride method (8), although relatively specific, requires a steam distillation step after a 15minute reaction period and the pro-cedure cannot be used for dilute aqueous solutions of amides. Nonaqueous acidbase methods (3,9) are not specific for amides, since many other weakly basic substances interfere.…”
gas oils has been reported (1). Their concentration probably never exceeds 1 to 2% weight, and could be corrected for by an independent determination of total oxygen (as in the case of nitrogen compounds). The standard deviation of this method is estimated at ±1 to 2% weight for each class reported, on the basis of multiple determination for several of the samples of Table IV. Linearity in the routine separation was checked for several samples; the recommended sample sizes are less than half the amount necessary to produce appreciable dependence of the analysis results on sample size.
“…(8) Kearns, G. L., Maranowski, N. C., Crable, G. F., Ibid., 31, 1646 (1959). (9) Nixon, A. C., Thorpe, R. E., J.…”
Section: Literature Citedmentioning
confidence: 99%
“…The lithium aluminum hydride method (8), although relatively specific, requires a steam distillation step after a 15minute reaction period and the pro-cedure cannot be used for dilute aqueous solutions of amides. Nonaqueous acidbase methods (3,9) are not specific for amides, since many other weakly basic substances interfere.…”
gas oils has been reported (1). Their concentration probably never exceeds 1 to 2% weight, and could be corrected for by an independent determination of total oxygen (as in the case of nitrogen compounds). The standard deviation of this method is estimated at ±1 to 2% weight for each class reported, on the basis of multiple determination for several of the samples of Table IV. Linearity in the routine separation was checked for several samples; the recommended sample sizes are less than half the amount necessary to produce appreciable dependence of the analysis results on sample size.
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