First Commission Directive 79/796/EEC of 26 July 1979 laying down Community metho... (31979L0796)
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First Commission Directive 79/796/EEC of 26 July 1979 laying down Community methods of analysis for testing certain sugars intended for human consumption
- FIRST COMMISSION DIRECTIVE
- of 26 July 1979
- Laying down Community methods of analysis for testing certain sugars intended for human consumption
- (79/786/EEC)
- Article 1
- Article 2
- Article 3
- ANNEX I
- SCOPE OF TOE COMMUNITY METHODS OF ANALYSIS FOR CERTAIN SUGARS INTENDED FOR HUMAN CONSUMPTION
- ANNEX II
- METHODS OF ANALYSIS TO VERIFY THE COMPOSITION OF CERTAIN SUGARS INTENDED FOR HUMAN CONSUMPTION
- INTRODUCTION
- 1.
- Preparation of the sample for analysis
- 2.
- Reagents and apparatus
- 3.
- Expression of results
- METHOD 1
- DETERMINATION OF THE LOSS OF MASS ON DRYING
- 1.
- Scope and field of application
- 2.
- Definition
- 3.
- Principle
- 4.
- Apparatus
- 5.
- Procedure
- 6.
- Expression of results
- 6.1.
- Formula and method of calculation
- 6.2.
- Repeatability
- METHOD 2
- DETERMINATION OF DRY MATTER
- Vacuum oven method
- 1.
- Scope and field of application
- 2.
- Definition
- 3.
- Principle
- 4.
- Reagents
- 5.
- Apparatus
- 6.
- Procedure
- 7.
- Expression of results
- 7.1.
- Formula and method of calculation
- 7.2.
- Repeatability
- METHOD 3
- DETERMINATION OF TOTAL DRY MATTER
- (Refractometric method)
- 1.
- Scope and field of application
- 2.
- Definition
- 3.
- Principle
- 4.
- Apparatus
- 5.
- Procedure
- 6.
- Expression and calculation of results
- METHOD 4
- MEASUREMENT OF REDUCING SUGARS EXPRESSED AS INVERT SUGARS
- (Berlin Institute method)
- Scope and field of application
- 2.
- Definitions
- 3.
- Principle
- 4.
- Reagents
- 5.
- Apparatus
- 6.
- Procedure
- 7.
- Expression of results.
- 7.1.
- Formula and method of calculation
- 7.2.
- Repeatability
- METHOD 5
- MEASUREMENT OF REDUCING SUGARS EXPRESSED AS INVERT SUGAR
- (Knight and Allen method)
- 1.
- Scope and field of application
- 2.
- Definition
- 3.
- Principle
- 4.
- Reagents
- 5.
- Apparatus
- 6.
- Procedure
- 7.
- Expression of results
- 8.
- Note
- METHOD 6
- DETERMINATION OF REDUCING SUGARS EXPRESSED AS INVERT SUGAR OR DEXTROSE EQUIVALENT
- (Luff-Schoorl method)
- 1.
- Scope and field of application
- 2.
- Definition
- 3.
- Principle
- 4.
- Reagents
- 5.
- Apparatus
- 6.
- Procedure
- 7.
- Expression of results
- 7.1.
- Formula and method of calculation
- 7.2.
- Repeatability
- 8.
- Note
- METHOD 7
- MEASUREMENT OF REDUCING SUGARS EXPRESSED AS INVERT SUGAR
- (Lane and Eynon constant volume modification)
- 1.
- Scope and field of application
- 2.
- Definition
- 3.
- Principle
- 4.
- Reagents
- 5.
- Apparatus
- 6.
- Procedure
- 6.1.
- Standardization of Fehling's solution
- 6.2.
- Preparation of sample solutions
- 6.3.
- Preliminary test
- 6.4.
- Final analysis of sample solution
- 7.
- Expression of results
- 7.1.
- Formula and method of calculation
- 7.2.
- Repeatability
- 8.
- Note
- METHOD 8
- DETERMINATION OF DEXTROSE EQUIVALENT
- (Lane and Eynon constant)
- 1.
- Scope and field of application
- 2.
- Definition
- 3.
- Principle
- 4.
- Reagents
- 4.1.
- Fehling's solution:
- 4.2.
- Anhydrous dextrose
- (D-glucose) (C
- 6
- H
- 12
- O
- 6
- )
- 4.3.
- Standard dextrose solution,
- 0·600 g/100 ml
- 4.4.
- Methylene blue solution,
- 0·1 g/100 ml
- 5.
- Apparatus
- 6.
- Procedure
- 6.1.
- Standardization of the Fehling's solution
- 6.2.
- Preliminary examination of the prepared sample
- 6.3.
- Test portion
- 6.4.
- Test solution
- 6.5.
- Determination
- 6.6.
- Dry matter content
- 7.
- Expression of results
- 7.1.
- Formulae and method of calculation
- 7.2.
- Repeatability
- METHOD 9
- DETERMINATION OF SULPHATED ASH
- 1.
- Scope and field of application
- 2.
- Definition
- 3.
- Principle
- 4.
- Reagents
- 5.
- Apparatus
- 6.
- Procedure
- 7.
- Expression
- 7.1.
- Formula and method of calculation
- 7.2.
- Repeatability
- 8.
- Notes
- METHOD 10
- DETERMINATION OF POLARIZATION
- 1.
- Scope and field of application
- 2.
- Definition
- 3.
- Principle
- 4.
- Reagents
- 5.
- Apparatus
- 6.
- Procedure
- 6.1.
- Preparation of the solution
- 6.2.
- Polarization
- 7.
- Expression of results
- 7.1.
- Formula and method of calculation
- 7.2.
- Repeatability
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