Pouvoir déshydrogénant de l'acétate mercurique et ses répercussions au point de vue analytique

Thomas, G.

doi:10.1002/bscb.19450540117

Bulletin des Soc Chimique

1945

DOI: 10.1002/bscb.19450540117

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Pouvoir déshydrogénant de l'acétate mercurique et ses répercussions au point de vue analytique

G. Thomas

Abstract: Laboratoire de l'lnspection des Pharmacies.MinistPre de h Smte' Pupliqrte. Communique 6. la SociPti Chimique de Belgique le 20 novembre 1944 )'{1) Wullen. -J. Ph. Belg. (1943) p. 71.(2) Sydow. -Archiv der Pharmacie. T. 280 (1942) p. 320.

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Observations on the determination of lodine value with pyridine sulfate dibromide

Lips

1953

J Americ Oil Chem Soc

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Summary Iodine values determined with pyridine sulfate dibromide tended to increase with reaction time and amount of excess reagent. There was some evidence of halogen substitution in polymerized linseed oil and in pure compounds. Mercuric acetate used to catalyze halogen addition in this method also appeared to promote degeneration of the reagent. In the absence of reagent, the catalyst had no dehydrogenating action on oils, but reduced their iodine value, apparently by promoting oxidation, and by reacting at the double bond. Iodine value decreased with reaction time when the catalyst was used in the presence of chloroform, and high and erratic results were obtained in the presence of sulfur. Comparative iodine values with an iodine‐chlorine reagent also tended to increase with prolonged reaction, but were only slightly affected by the presence of sulfur or chloroform.

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Observations on the determination of lodine value with pyridine sulfate dibromide

Lips

1953

J Americ Oil Chem Soc

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Pouvoir déshydrogénant de l'acétate mercurique et ses répercussions au point de vue analytique

Abstract: Laboratoire de l'lnspection des Pharmacies.MinistPre de h Smte' Pupliqrte. Communique 6. la SociPti Chimique de Belgique le 20 novembre 1944 )'{1) Wullen. -J. Ph. Belg. (1943) p. 71.(2) Sydow. -Archiv der Pharmacie. T. 280 (1942) p. 320.

Cited by 1 publication

References 1 publication

Observations on the determination of lodine value with pyridine sulfate dibromide

Observations on the determination of lodine value with pyridine sulfate dibromide

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