OIV-MA-AS313-24 Determination of totla ethanol in wine by high-performance liquid chromatography

Type IV method

Scope of application

The method described is suitable for the determination of total (free and sulphur-dioxide-bound) ethanal in wine for concentrations between 0.2 and 80 mg/L.

OIV-MA-AS313-23 Identification of L-tartaric acid as being of plant or fossil origin by measuring its

OIV-MA-AS313-22 Simultaneous determination of L-ascorbic acid and D-iso-ascorbic acid (erythorbic acid) in wine by HPLC and UV-detection

Type II method

OIV-MA-AS313-21 Determination of the presence of metatartaric acid

Type IV method

OIV-MA-AS313-20 Determination of sorbic, benzoic and salicylic acid content in wine by the use of high-performance liquid chromatography

Type IV method

OIV-MA-AS313-19 Determination of the principal organic acids of wines and sulphates by capillary electrophoresis

Type II method (for organic acids)

Type III method (for sulphate)

OIV-MA-AS313-18 Determination of sorbic acid in wines by capillary electrophoresis

Type IV method

1. Scope

The present method is used to determine the sorbic acid in wines in a range from 0 to 300 mg/l.

OIV-MA-AS313-16 Determination of organic acids and mineral anions in wines by ionic chromatography

Type IV method

Preamble

The development of high performance ionic chromatography in laboratories has enabled the study the determination of organic acids and mineral anions in alcoholic and non alcoholic beverages by this technique.

OIV-MA-AS313-15 pH

Type I method