sodium chloride; ascorbic acid powder in water Kinetics; byproducts: dehydroascorbic acid; under Ar, protected from exposure to daylight; Pt complex in acetate or phosphate buffer contg. Na2H2(edta) (pH 4.01-7.16) reduced with L-ascorbic acid at 25°C; ionic strength 1.0 M (NaCl); monitored spectrophotometrically;

sodium chloride in water Kinetics; pH 3.0, 25.0 to 45.0°C, using sodium perchlorate or sodium toluene-p-sulphonate to adjust ionic strength; UV-spect.;

sodium chloride in water Kinetics; pH 3.0, 25.0 to 45.0°C, using sodium perchlorate or sodium toluene-p-sulphonate to adjust ionic strength; UV-spect.;