RESOLUTION OENO 67/2000

XVI. WINE VINEGAR - MEASUREMENT OF LEAD CONTENT (OIV-MA-VI-16)

1.      INTRODUCTION

As for the other metals, the presence of lead in vinegars mainly has its origin in contaminations from contact materials during their manufacture, and of course the lead of the wine itself from which the vinegar has been made.

RESOLUTION OENO 66/2000

XV. WINE VINEGAR - MEASUREMENT OF IRON CONTENT (OIV-MA-VI-15)

1.      INTRODUCTION

As for the other metals, the presence of iron in vinegars mainly has its origin in contaminations from contact materials during their manufacture, and of course the iron of the wine itself from which the vinegar has been made.

RESOLUTION OENO 65/2000

XIV.

RESOLUTION OENO 64/2000

XIII. WINE VINEGAR - MEASUREMENT OF THE COPPER CONTENT (OIV-MA-VI-13)

1.      INTRODUCTION

The presence of copper in vinegars mainly has its origin in contaminations from contact materials during the different phases of their manufacture.

RESOLUTION OENO 63/2000

XII. WINE VINEGAR - MEASUREMENT OF SULPHATE CONTENT (OIV-MA-VI-12)

1.      INTRODUCTION

The main objective of the measurement of the sulphate content in vinegar is, as for the measurement of the chloride content, the detection of frauds (aimed at increasing the total dry extract).

RESOLUTION OENO 61/2000

X.

RESOLUTION OENO 59/2000

VIII. WINE VINEGARS - DETERMINATION OF THE NON-VOLATILE REDUCING SUBSTANCES CONTENT (OIV-MA-VI-08)

1.      DEFINITION

Non-volatile reducing substances are all the non-volatile substances having a reducing power in a copper-alkali solution and those that also have this power after hydrolysis.

RESOLUTION OENO 58/2000

VII.