Determination of L-Ascorbic Acid in Pharmaceuticals by Using Chlorpromazine Hydrochloride as Oxidation-Reduction Indicator

Solid-phase iodine as an oxidant in flow

Solid-phase iodine as an oxidant in flow injection analysis: determination of ascorbic acid in pharmaceuticals and foods by background correction

✍ Meissam Noroozifar; Mozhgan Khorasani-Motlagh 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 223 KB

Determination of Ascorbic Acid and Dehyd

Determination of Ascorbic Acid and Dehydroascorbic Acid in Biological Samples by High-Performance Liquid Chromatography Using Subtraction Methods: Reliable Reduction with Tris[2-carboxyethyl]phosphine Hydrochloride

✍ Jens Lykkesfeldt 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 68 KB

Determination of dehydroascorbic acid in biological samples most commonly involves indirect measurement. The concentration is calculated by subtraction of the measured ascorbic acid concentration from that of total ascorbic acid analyzed after reduction of the dehydroascorbic acid present; a methodo

Determination of ascorbic acid and dehyd

Determination of ascorbic acid and dehydroascorbic acid in juices by high-performance liquid chromatography with electrochemical detection using l-cysteine as precolumn reluctant

✍ Hiroshi Iwase; Ichiro Ono 📂 Article 📅 1993 🏛 Elsevier Science 🌐 English ⚖ 484 KB

Determination of Ascorbic Acid and Dehyd

Determination of Ascorbic Acid and Dehydroascorbic Acid in Biological Samples by High-Performance Liquid Chromatography Using Subtraction Methods: Reliable Reduction with Tris[2-carboxyethyl]phosphine Hydrochloride: Volume 282, Number 1 (2000), pages 89–93

✍ Jens Lykkesfeldt 📂 Article 📅 2001 🏛 Elsevier Science 🌐 English ⚖ 16 KB

On page 91, column 1, lines 10 -18, the mobile phase description contained errors as printed. The correct mobile phase composition is printed here: One liter of mobile phase consisted of 17.8 g sodium dihydrogen phosphate monohydrate (129 mM), 17.6 g sodium acetate anhydrous (215 mM), 372 mg disodiu