𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Über Redukton (Enol-Tartronaldehyd) und Ascorbinsäure

✍ Scribed by v. Euler, Hans ;Martius, Carl


Publisher
Wiley (John Wiley & Sons)
Year
1933
Weight
735 KB
Volume
505
Category
Article
ISSN
0074-4617

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Über carbocyclische Reduktone. Dihydropy
✍ Mayer, Walter ;Bachmann, Rudolf ;Kraus, Friedrich 📂 Article 📅 1955 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 1009 KB

m e r carbocycliache Redubtone. Dihydropyrogallol und Dihydrogallusshre [Aus dem Chemischen Institut der Univereittit Heidelberg] (Eingegangen am 6. Dezember 1954) &llussiiure ergibt bei der katalytischen Hydrierung in alkalischem Medium Cyclohexen-(4)-diol-(4.5)-on-(3) -carbom&ure-(1 ). Diem Dihydm

Über die Oxydation von Ascorbinsäure dur
✍ H. Dahn; Lotte Loewe 📂 Article 📅 1960 🏛 John Wiley and Sons 🌐 German ⚖ 524 KB

## Abstract In 0.1 to 0.5 M perchloric acid the oxidation by nitrous acid of the two reductones, ascorbic acid and phenyl hydroxytetronic acid, follows the rate law k has been determined for both reductones in aqueous dioxan and for ascorbic acid in water.

Über die Oxydation von Ascorbinsäure dur
✍ H. Dahn; Lotte Loewe 📂 Article 📅 1960 🏛 John Wiley and Sons 🌐 German ⚖ 421 KB 👁 1 views

## Abstract At pH ca. 4 the rate of oxidation of ascorbic acid and of phenylhydroxytetronic acid by nitrous acid in the presence of excess nitrite ions is found to be independent of reductone concentration. The rate law is k~2~ was evaluated both in water and in aqueous dioxan. Under the same cond

Über die Oxydation von Ascorbinsäure dur
✍ H. Dahn; Lotte Loewe; C. A. Bunton 📂 Article 📅 1960 🏛 John Wiley and Sons 🌐 German ⚖ 937 KB

## Abstract The oxidation of ascorbic acid and phenylhydroxytetronic acid by nitrous acid at various values of pH follows four distinct rate laws, discussed in parts II, III and IV of the present series of papers.

Über die Oxydation von Ascorbinsäure dur
✍ H. Dahn; Lotte Loewe; C. A. Bunton 📂 Article 📅 1960 🏛 John Wiley and Sons 🌐 German ⚖ 238 KB 👁 1 views

## Abstract Addition of azide ions considerably slows down the oxidation of ascorbic acid by nitrous acid. At a pH of about 2 an approximately 10 fold excess of hydrazoic acid over ascorbic acid changes the rate law found in part III into This is identical with the rate law found in 0·1 to 0·5 M a

Über die Haltbarkeit der 1-Ascorbinsäure
✍ Strohecker, R. ;Buchholz, E. 📂 Article 📅 1942 🏛 John Wiley and Sons ⚖ 365 KB

FetIe und Seifeii 351 nachgewaschen, dann werden die vereinigten des Phosphors erl'olgt gravinietrisch in bekannter dtherlijsungen filtriert und die Filtrate in einein IVeise. Kjeldahl-Kolbchen gesammelt. Hierauf wird der Den1 F o r s c 11 11 n g s d i e n s t danken wir fiir dther abgedunstet und d