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First Commission Directive of 15 June 1971 establishing Community methods of analysis for the official control of feeding-stuffs (71/250/EEC) (repealed)

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  1. Introductory Text

  2. Article 1.. . . . . . . . . ....

  3. Article 2.. . . . . . . . . ....

  4. Article 3.. . . . . . . . . ....

    1. Expand +/Collapse -

      ANNEX

      METHODS OF ANALYSIS OF THE COMPONENTS OF FEEDING-STUFFS

      1. 1. GENERAL PROVISIONS ON METHODS OF ANALYSIS FOR FEEDINGSTUFFS

        1. A. PREPARATION OF SAMPLES FOR ANALYSIS

          1. 1. Purpose

          2. 2. Precautions to be taken

          3. 3. Procedure

            1. 3.1. Feedingstuffs which can be ground as such

            2. 3.2. Feedingstuffs which can be ground after drying

            3. 3.3. Liquid or semi-liquid feedingstuffs

            4. 3.4. Other feedingstuffs

          4. 4. Storage of samples

        2. B. PROVISIONS RELATING TO REAGENTS AND APPARATUS USED IN METHODS OF...

          1. 1. . . . . . . . . . ....

          2. 2. . . . . . . . . . ....

          3. 3. . . . . . . . . . ....

        3. C. APPLICATION OF METHODS OF ANALYSIS AND EXPRESSION OF THE RESULTS...

          1. 1. . . . . . . . . . ....

          2. 2. . . . . . . . . . ....

          3. 3. . . . . . . . . . ....

      2. 2. DETERMINATION OF HYDROCYANIC ACID

        1. 1. Purpose and scope

        2. 2. Principle

        3. 3 Reagents

          1. 3.1. . . . . . . . . . ....

          2. 3.2. . . . . . . . . . ....

          3. 3.3. . . . . . . . . . ....

          4. 3.4. . . . . . . . . . ....

          5. 3.5. . . . . . . . . . ....

          6. 3.6. . . . . . . . . . ....

          7. 3.7. . . . . . . . . . ....

          8. 3.8. . . . . . . . . . ....

        4. 4. Apparatus

          1. 4.1. . . . . . . . . . ....

          2. 4.2. . . . . . . . . . ....

          3. 4.3. . . . . . . . . . ....

          4. 4.4. . . . . . . . . . ....

          5. 4.5. . . . . . . . . . ....

        5. 5. Procedure

        6. 6. Calculation of results

        7. 7. Observation

      3. 3. DETERMINATION OF CALCIUM

        1. 1. Purpose and Scope

        2. 2. Principle

        3. 3. Reagents

          1. 3.6. . . . . . . . . . ....

          2. 3.2. . . . . . . . . . ....

          3. 3.3. . . . . . . . . . ....

          4. 3.4. . . . . . . . . . ....

          5. 3.5. . . . . . . . . . ....

          6. 3.6. . . . . . . . . . ....

          7. 3.7. . . . . . . . . . ....

          8. 3.8. . . . . . . . . . ....

          9. 3.9. . . . . . . . . . ....

        4. 4. Apparatus

          1. 4.1. . . . . . . . . . ....

          2. 4.2. . . . . . . . . . ....

          3. 4.3. . . . . . . . . . ....

        5. 5. Procedure

        6. 5. . . . . . . . . . ....

        7. 6. Calculation of results

        8. 7. Observations

          1. 7.1. . . . . . . . . . ....

          2. 7.2. . . . . . . . . . ....

          3. 7.3. . . . . . . . . . ....

      4. 4. DETERMINATION OF CARBONATES

        1. 1. Purpose and Scope

        2. 2. Principle

        3. 3. Reagents

          1. 3.1. . . . . . . . . . ....

          2. 3.2. . . . . . . . . . ....

          3. 3.3. . . . . . . . . . ....

        4. 4. Apparatus

        5. 5. Procedure

        6. 6. Calculation of results

        7. 7. Observations

          1. 7.1. . . . . . . . . . ....

          2. 7.2. . . . . . . . . . ....

        8. SCHEIBER-DIETRICH APPARATUS FOR THE DETERMINATION OF CO2

      5. 5. DETERMINATION OF CRUDE ASH

        1. 1. Purpose and Scope

        2. 2. Principle

        3. 3. Reagents

        4. 4. Apparatus

          1. 4.1. . . . . . . . . . ....

          2. 4.2. . . . . . . . . . ....

          3. 4.3. . . . . . . . . . ....

        5. 5. Procedure

        6. 6. Calculation of results

        7. 7. Observations

          1. 7.1. . . . . . . . . . ....

          2. 7.2. . . . . . . . . . ....

          3. 7.3. . . . . . . . . . ....

      6. 6. DETERMINATION OF ASH WHICH IS INSOLUBLE IN HYDROCHOLORIC ACID

        1. 1. Purpose and Scope

          1. 1.1. . . . . . . . . . ....

          2. 1.2. . . . . . . . . . ....

        2. 2. Principle

          1. 2.1. . . . . . . . . . ....

          2. 2.2. . . . . . . . . . ....

        3. 3. Reagents

          1. 3.1. . . . . . . . . . ....

          2. 3.2. . . . . . . . . . ....

          3. 3.3. . . . . . . . . . ....

        4. 4. Apparatus

          1. 4.1. . . . . . . . . . ....

          2. 4.2. . . . . . . . . . ....

          3. 4.3. . . . . . . . . . ....

        5. 5. Procedure

          1. 5.1. Method A:

          2. 5.2. Method B

        6. 6. Calculation of results

        7. 7. Observation

      7. 7. DETERMINATION OF CHLORINE FROM CHLORIDES

        1. 1. Purpose and Scope

        2. 2. Principle

        3. 3. Reagents

          1. 3.1. . . . . . . . . . ....

          2. 3.2. . . . . . . . . . ....

          3. 3.3. . . . . . . . . . ....

          4. 3.4. . . . . . . . . . ....

          5. 3.5. . . . . . . . . . ....

          6. 3.6. . . . . . . . . . ....

          7. 3.7. . . . . . . . . . ....

          8. 3.8. . . . . . . . . . ....

          9. 3.9. . . . . . . . . . ....

        4. 4. Apparatus

        5. 5. Procedure

          1. 5.1. Preparation of the solution

            1. 5.1.1. Samples free from organic matter

            2. 5.1.2. Samples containing organic matter, excluding the products listed under 5.1.3....

            3. 5.1.3. Cooked feeding-stuffs, flax cakes and flour, products rich in flax...

          2. 5.2. Titration

        6. 6. Calculation of results

        7. 7. Observations

          1. 7.1. . . . . . . . . . ....

          2. 7.2. . . . . . . . . . ....

          3. 7.3. . . . . . . . . . ....

      8. 8. DETERMINATION OF MUSTARD OIL

        1. 1. Purpose and scope

        2. 2. Principle

        3. 3. Reagents

          1. 3.1. . . . . . . . . . ....

          2. 3.2. . . . . . . . . . ....

          3. 3.3. . . . . . . . . . ....

          4. 3.4. . . . . . . . . . ....

          5. 3.5. . . . . . . . . . ....

          6. 3.6. . . . . . . . . . ....

          7. 3.7. . . . . . . . . . ....

          8. 3.8. . . . . . . . . . ....

        4. 4. Apparatus

          1. 4.1. . . . . . . . . . ....

          2. 4.2. . . . . . . . . . ....

        5. 5. Procedure

        6. 6. Calculation of results

      9. 9. DETERMINATION OF LACTOSE

        1. 1. Purpose and scope

        2. 2. Principle

        3. 3. Reagents

          1. 3.1. . . . . . . . . . ....

          2. 3.2. . . . . . . . . . ....

          3. 3.3. . . . . . . . . . ....

          4. 3.4. . . . . . . . . . ....

            1. 3.4.1. . . . . . . . . . ....

            2. 3.4.2. . . . . . . . . . ....

            3. 3.4.3. . . . . . . . . . ....

          5. 3.5. . . . . . . . . . ....

          6. 3.6. . . . . . . . . . ....

          7. 3.7. . . . . . . . . . ....

          8. 3.8. . . . . . . . . . ....

          9. 3.9. . . . . . . . . . ....

        4. 4. Apparatus

        5. 5. Procedure

        6. 6. Calculation of results

        7. 7. Observation

      10. 10. DETERMINATION OF POTASSIUM

        1. 1. Purpose and scope

        2. 2. Principle

        3. 3. Reagents

          1. 3.1. . . . . . . . . . ....

          2. 3.2. . . . . . . . . . ....

          3. 3.3. . . . . . . . . . ....

          4. 3.4. . . . . . . . . . ....

          5. 3.5. . . . . . . . . . ....

          6. 3.6. . . . . . . . . . ....

        4. 4. Apparatus

          1. 4.1. . . . . . . . . . ....

          2. 4.2. . . . . . . . . . ....

          3. 4.3. . . . . . . . . . ....

        5. 5. Procedure

          1. 5.1. Analysis of sample

          2. 5.2. Calibration curve

        6. 6. Calculation of results

        7. 7. Observations

      11. 11. DETERMINATION OF SODIUM

        1. 1. Purpose and scope

        2. 2. Principle

        3. 3. Reagents

          1. 3.1. . . . . . . . . . ....

          2. 3.2. . . . . . . . . . ....

          3. 3.3. . . . . . . . . . ....

          4. 3.4. . . . . . . . . . ....

          5. 3.5. . . . . . . . . . ....

          6. 3.6. . . . . . . . . . ....

        4. 4. Apparatus

          1. 4.1. . . . . . . . . . ....

          2. 4.2. . . . . . . . . . ....

          3. 4.3. . . . . . . . . . ....

        5. 5. Procedure

          1. 5.1. Analysis of sample

          2. 5.2. Calibration curve

        6. 6. Calculation of results

        7. 7. Observations

          1. 7.1. . . . . . . . . . ....

          2. 7.2. . . . . . . . . . ....

      12. 12. DETERMINATION OF SUGAR

        1. 1. Purpose and scope

        2. 2. Principle

        3. 3. Reagents

          1. 3.1. . . . . . . . . . ....

          2. 3.2. . . . . . . . . . ....

          3. 3.3. . . . . . . . . . ....

          4. 3.4. . . . . . . . . . ....

          5. 3.5. . . . . . . . . . ....

          6. 3.6. . . . . . . . . . ....

          7. 3.7. . . . . . . . . . ....

          8. 3.8. . . . . . . . . . ....

            1. 3.8.1. . . . . . . . . . ....

            2. 3.8.2. . . . . . . . . . ....

            3. 3.8.3. . . . . . . . . . ....

          9. 3.9. . . . . . . . . . ....

          10. 3.10. . . . . . . . . . ....

          11. 3.11. . . . . . . . . . ....

          12. 3.12. . . . . . . . . . ....

          13. 3.13. . . . . . . . . . ....

          14. 3.14. . . . . . . . . . ....

        4. 4. Apparatus

        5. 5. Procedure

          1. 5.1. Extraction of sample

          2. 5.2. Determination of reducing sugars

          3. 5.3. Determination of total sugars after inversion

          4. 5.4. Titration by the Luff-Schoorl method

        6. 6. Calculation of results

        7. 7. Special procedures

          1. 7.1. . . . . . . . . . ....

          2. 7.2. . . . . . . . . . ....

        8. 8. Observations

          1. 8.1. . . . . . . . . . ....

          2. 8.2. . . . . . . . . . ....

          3. 8.3. . . . . . . . . . ....

            1. 8.3.1. . . . . . . . . . ....

            2. 8.3.2. . . . . . . . . . ....

      13. 13. DETERMINATION OF THEOBROMINE

        1. 1. Purpose and scope

        2. 2. Principle

        3. 3. Reagents

          1. 3.1. . . . . . . . . . ....

          2. 3.2. . . . . . . . . . ....

          3. 3.3. . . . . . . . . . ....

          4. 3.4. . . . . . . . . . ....

          5. 3.5. . . . . . . . . . ....

          6. 3.6. . . . . . . . . . ....

          7. 3.7. . . . . . . . . . ....

        4. 4. Apparatus

        5. 5. Procedure

        6. 6. Calculation of results

        7. 7. Observation

      14. 14. DETERMINATION OF UREA

        1. 1. Purpose and scope

        2. 2. Principle

        3. 3. Reagents

          1. 3.1. . . . . . . . . . ....

          2. 3.2. . . . . . . . . . ....

          3. 3.3. . . . . . . . . . ....

          4. 3.4. . . . . . . . . . ....

          5. 3.5. . . . . . . . . . ....

        4. 4. Apparatus

          1. 4.1. . . . . . . . . . ....

          2. 4.2. . . . . . . . . . ....

          3. 4.3. . . . . . . . . . ....

        5. 5. Procedure

          1. 5.1. Analysis of sample

          2. 5.2. Calibration curve

        6. 6. Calculation of results

        7. 7. Observations

          1. 7.1. . . . . . . . . . ....

          2. 7.2. . . . . . . . . . ....

          3. 7.3. . . . . . . . . . ....

      15. 15. DETERMINATION OF LUPIN ALKALOIDS

        1. 1. Purpose and scope

        2. 2. Principle

        3. 3. Reagents

          1. 3.1. . . . . . . . . . ....

          2. 3.2. . . . . . . . . . ....

          3. 3.3. . . . . . . . . . ....

          4. 3.4. . . . . . . . . . ....

          5. 3.5. . . . . . . . . . ....

          6. 3.6. . . . . . . . . . ....

        4. 4. Apparatus

          1. 4.1. . . . . . . . . . ....

          2. 4.2. . . . . . . . . . ....

          3. 4.3. . . . . . . . . . ....

        5. 5. Procedure

        6. 6. Calculation of results

      16. 16. ESTIMATION OF THE UREASE ACTIVITY OF PRODUCTS DERIVED FROM SOYA...

        1. 1. Purpose and scope

        2. 2. Principle

        3. 3. Reagents

          1. 3.1. . . . . . . . . . ....

          2. 3.2. . . . . . . . . . ....

          3. 3.3. . . . . . . . . . ....

          4. 3.4. . . . . . . . . . ....

        4. 4. Apparatus

          1. 4.1. . . . . . . . . . ....

          2. 4.2. . . . . . . . . . ....

          3. 4.3. . . . . . . . . . ....

        5. 5. Procedure

        6. 6. Calculation

        7. 7. Observation

          1. 7.1. . . . . . . . . . ....

          2. 7.2. . . . . . . . . . ....

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