“…The liberation of thiocyanate in the interaction of 1,2dithiols with cyanogen chloride has enabled Aldridge (3) to determine such compounds as BAL by this reaction. Derivatives of thiouracil have been determined colorimetrically with Grote's nitroprusside reagent (92,120). A color reaction of urea with diacetyl in the presence of an aromatic amine has been made the basis of an analytical method for the estimation of urea (277), and a transient color reaction of urethane with furfural in strong acid has been described (218).…”
Section: Generalmentioning
confidence: 99%
“…(91) Marquardt, R. P., and Luce, E. N., Ibid., 20, 751-3 (1948). (92) Martin, R. XX7., Ibid.,21,921 (1949).…”
“…The liberation of thiocyanate in the interaction of 1,2dithiols with cyanogen chloride has enabled Aldridge (3) to determine such compounds as BAL by this reaction. Derivatives of thiouracil have been determined colorimetrically with Grote's nitroprusside reagent (92,120). A color reaction of urea with diacetyl in the presence of an aromatic amine has been made the basis of an analytical method for the estimation of urea (277), and a transient color reaction of urethane with furfural in strong acid has been described (218).…”
Section: Generalmentioning
confidence: 99%
“…(91) Marquardt, R. P., and Luce, E. N., Ibid., 20, 751-3 (1948). (92) Martin, R. XX7., Ibid.,21,921 (1949).…”
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