Chwilio Deddfwriaeth

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of 15 June 1971 establishing Community methods of analysis for the official control of feeding-stuffs (71/250/EEC) (repealed)

 Help about what version

Pa Fersiwn

 Help about opening options

Dewisiadau AgorExpand opening options

 Help about UK-EU Regulation

Deddfwriaeth yn deillio o’r UE

Pan adawodd y DU yr UE, cyhoeddodd legislation.gov.uk ddeddfwriaeth yr UE a gyhoeddwyd gan yr UE hyd at ddiwrnod cwblhau’r cyfnod gweithredu (31 Rhagfyr 2020 11.00 p.m.). Ar legislation.gov.uk, mae'r eitemau hyn o ddeddfwriaeth yn cael eu diweddaru'n gyson ag unrhyw ddiwygiadau a wnaed gan y DU ers hynny.

Status:

Cyhoeddir Cyfarwyddebau’r UE ar y wefan hon i gynorthwyo croesgyfeirio o ddeddfwriaeth y DU. Ers diwrnod cwblhau’r cyfnod gweithredu (31 Rhagfyr 2020 11.00 p.m.) nid oes unrhyw ddiwygiadau wedi'u cymhwyso i'r fersiwn hon.

  1. Introductory Text

  2. Article 1.The Member States shall require that analyses for official controls...

  3. Article 2.The Member States shall, not later than 1 July 1972,...

  4. Article 3.This Directive is addressed to the Member States.

    1. Ehangu +/Cwympo -

      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. Unless otherwise specified in the methods of analysis, all analytical...

          2. 2. Any operation involving preparation of solutions, dilution, rinsing or washing,...

          3. 3. In view of the equipment normally found in control laboratories,...

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

          1. 1. In general a single method of analysis is established for...

          2. 2. The result given in the analysis report shall be the...

          3. 3. As regards undesirable substances within the meaning of Directive 2002/32/EC,...

      2. 2. DETERMINATION OF HYDROCYANIC ACID

        1. 1. Purpose and scope

        2. 2. Principle

        3. 3 Reagents

          1. 3.1. A suspension of sweet almonds: crush twenty blanched sweet almonds...

          2. 3.2. 10% solution (w/v) of sodium acetate, neutral to phenolphthalein.

          3. 3.3. Anti-foaming emulsion (e.g. silicone).

          4. 3.4. Nitric acid, d: 1·40.

          5. 3.5. Silver nitrate solution: 0·02 N.

          6. 3.6. Ammonium thiocyanate solution: 0·02 N.

          7. 3.7. Saturated solution of ammonium ferric sulphate.

          8. 3.8. Ammonia, d: 0·958.

        4. 4. Apparatus

          1. 4.1. Oven with thermostat set at 38 oC.

          2. 4.2. Apparatus for distillation by entrainment in steam fitted with a...

          3. 4.3. 1 000 ml flat-bottomed flasks with ground-glass stoppers.

          4. 4.4. Oil bath.

          5. 4.5. Burette graduated in 1/20 ml.

        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. Hydrochloric acid A.R., d: 1·14

          2. 3.2. Nitric acid A.R., d: 1·40

          3. 3.3. Sulphuric acid A.R., d: 1·13

          4. 3.4. Ammonia A.R., d: 0·98

          5. 3.5. Cold saturated solution of ammonium oxalate A.R.

          6. 3.6. 30% solution (w/v) of citric acid A.R.

          7. 3.7. 5% solution (w/v) of ammonium chloride A.R.

          8. 3.8. 0·04% solution (w/v) of bromo-cresol green

          9. 3.9. Solution of potassium permanganate 0·1 N

        4. 4. Apparatus

          1. 4.1. Electric muffle-furnace with air circulation and thermostat.

          2. 4.2. Platinum, silica or porcelain crucibles for ashing.

          3. 4.3. Glass filter crucibles of G4 porosity.

        5. 5. Procedure

        6. 5. Make the volume up to approximately 100 ml with water. Bring...

        7. 6. Calculation of results

        8. 7. Observations

          1. 7.1. For very low contents of calcium proceed as follows: filter...

          2. 7.2. If the sample consists solely of mineral substances, dissolve in...

          3. 7.3. If the magnesium content of the sample is high, precipitate...

      4. 4. DETERMINATION OF CARBONATES

        1. 1. Purpose and Scope

        2. 2. Principle

        3. 3. Reagents

          1. 3.1. Hydrochloric acid, d: 1·10.

          2. 3.2. Calcium carbonate, A.R.

          3. 3.3. Sulphuric acid, approximately 0·1 N, coloured with methyl red.

        4. 4. Apparatus

        5. 5. Procedure

        6. 6. Calculation of results

        7. 7. Observations

          1. 7.1. When the portion of the sample weighs more than 2 g,...

          2. 7.2. If the apparatus used has a different volume from that...

        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. Hot-plate.

          2. 4.2. Electric muffle-furnace with thermostat.

          3. 4.3. Crucibles for ashing made of platinum or an alloy of...

        5. 5. Procedure

        6. 6. Calculation of results

        7. 7. Observations

          1. 7.1. The ash of substances which are difficult to ash must...

          2. 7.2. In the case of susbstances resistant to the treatment described...

          3. 7.3. In the case of oils and fats, weigh accurately a...

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

        1. 1. Purpose and Scope

          1. 1.1. Method A: applicable to straight organic feeding-stuffs and to most...

          2. 1.2. Method B: applicable to mineral compounds and mixtures and to...

        2. 2. Principle

          1. 2.1. Method A: the sample is ashed, the ash boiled in...

          2. 2.2. Method B: the sample is treated with hydrochloric acid. The...

        3. 3. Reagents

          1. 3.1. Hydrochloric acid 3 N.

          2. 3.2. 20% solution (w/v) of trichloroacetic acid.

          3. 3.3. 1% solution (w/v) of trichloroacetic acid.

        4. 4. Apparatus

          1. 4.1. Hot plate.

          2. 4.2. Electric muffle-furnace with thermostat.

          3. 4.3. Crucibles for ashing made of platinum or an alloy of...

        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. Solution of ammonium thiocyanate 0.1 N.

          2. 3.2. Solution of silver nitrate 0.1 N.

          3. 3.3. Saturated solution of ammonium ferric sulphate.

          4. 3.4. Nitric acid, d: 1.38.

          5. 3.5. Diethyl ether A.R.

          6. 3.6. Acetone A.R.

          7. 3.7. Carrez I solution: dissolve in water 21.9 g of zinc acetate,...

          8. 3.8. Carrez II solution: dissolve in water 10·6 g of potassium ferrocynaide...

          9. 3.9. Active carbon A.R., free from chlorides and not absorbing them....

        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. Titration may also be carried out by potentiometry;

          2. 7.2. In the case of products which are very rich in...

          3. 7.3. In the case of fish-meal, titration may be carried out...

      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. Suspension of Saccharomyces cerevisiae: suspend 25 g of fresh yeast in...

          2. 3.2. Carrez solution I: dissolve in water 21·9 g of zinc acetate...

          3. 3.3. Carrez solution II: dissolve in water 10·6 g of potassium ferrocyanide...

          4. 3.4. Luff-Schoorl reagent:

            1. 3.4.1. Copper sulphate solution: dissolve 25 g of copper sulphate A.R. Cu...

            2. 3.4.2. Citric acid solution: dissolve 50 g of citric acid A.R. C6H8O7...

            3. 3.4.3. Sodium carbonate solution: dissolve 143·8 g of anhydrous sodium carbonate A.R....

          5. 3.5. Granulated pumice stone boiled in hydrochloric acid, washed in water...

          6. 3.6. 30% solution (w/v) of sodium iodide.

          7. 3.7. Sulphuric acid 6 N.

          8. 3.8. Solution of sodium thiosulphate 0·1 N.

          9. 3.9. Starch solution: add a mixture of 5 g of soluble starch...

        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. Hydrochloric acid A.R., d: 1.12.

          2. 3.2. Caesium chloride A.R.

          3. 3.3. Aluminium nitrate Al (NO 3 ) 3 · 9 H...

          4. 3.4. Potassium chloride A.R., anhydrous.

          5. 3.5. Loading agent: dissolve in water 50 g of caesium chloride (3.2)...

          6. 3.6. Standard solution of potassium: dissolve in water 1·907 g of potassium...

        4. 4. Apparatus

          1. 4.1. Platinum, silica or porcelain crucibles for ashing, provided if necessary...

          2. 4.2. Electric muffle-furnace with thermostat.

          3. 4.3. Flame photometer.

        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. Hydrochloric acid A.R., d: 1.12.

          2. 3.2. Caesium chloride A.R.

          3. 3.3. Aluminium nitrate Al (NO3)3 · 9 H2O, general purpose reagent

          4. 3.4. Sodium chloride A.R., anhydrous.

          5. 3.5. Loading agent: dissolve in water 50 g of caesium chloride (3.2)...

          6. 3.6. Standard solution of sodium: dissolve in water 2·542 g of sodium...

        4. 4. Apparatus

          1. 4.1. Platinum, silica or porcelain crucibles for ashing, provided if necessary...

          2. 4.2. Electric muffle-furnace with thermostat.

          3. 4.3. Flame photometer.

        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. For products containing more than 4% of sodium, it is...

          2. 7.2. If the sample consists solely of mineral substances, dissolve without...

      12. 12. DETERMINATION OF SUGAR

        1. 1. Purpose and scope

        2. 2. Principle

        3. 3. Reagents

          1. 3.1. 40% ethanol (v/v) d: 0·948 at 20 oC, neutralised to phenolphthalein....

          2. 3.2. Carrez solution I: dissolve in water 21·9 g of zinc acetate...

          3. 3.3. Carrez solution II: dissolve in water 10·6 g of potassium ferrocyanide...

          4. 3.4. 0·1% solution (w/v) of methyl orange.

          5. 3.5. Hydrochloric acid 4 N.

          6. 3.6. Hydrochloric acid 0·1 N.

          7. 3.7. Sodium hydroxide solution 0·1 N.

          8. 3.8. Luff-Schoorl reagent:

            1. 3.8.1. Copper sulphate solution: dissolve 25 g of copper sulphate A.R., Cu...

            2. 3.8.2. Citric acid solution: dissolve 50 g of citric acid A.R., C6H8O7...

            3. 3.8.3. Sodium carbonate solution: dissolve 143·8 g of anhydrous sodium carbonate A.R....

          9. 3.9. Sodium thiosulphate solution 0·1 N.

          10. 3.10. Starch solution: add a mixture of 5 g of soluble starch...

          11. 3.11. Sulphuric acid 6 N.

          12. 3.12. 30% solution (w/v) of potassium iodide.

          13. 3.13. Granulated pumice stone boiled in hydrochloric acid, washed in water...

          14. 3.14. 3-methylbutan-l-ol.

        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. In the case of feeding-stuffs which are rich in molasses...

          2. 7.2. In the case of molasses and straight feeding-stuffs which are...

        8. 8. Observations

          1. 8.1. In order to prevent foaming it is advisable to add...

          2. 8.2. The difference between the content of total sugars after inversion,...

          3. 8.3. In order to determine the content of reducing sugars, excluding...

            1. 8.3.1. for an approximate calculation, multiply by 0·675 the lactose content...

            2. 8.3.2. For an accurate calculation of reducing sugars, excluding lactose, the...

      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. Solution of 4-dimethylaminobenzaldehyde: dissolve 1·6 g of 4-DMAB A.R. in 100 ml...

          2. 3.2. Carrez solution I: dissolve in water 21·9 g of zinc acetate...

          3. 3.3. Carrez solution II: dissolve in water 10·6 g of potassium...

          4. 3.4. Active carbon A.R. which does not absorb urea (to be...

          5. 3.5. 0·1% solution (w/v) of urea A.R.

        4. 4. Apparatus

          1. 4.1. Mixer (tumbler): approximately 35 to 40 rpm.

          2. 4.2. Test tubes: 160 × 16 mm with ground-glass stoppers.

          3. 4.3. A spectrophotometer.

        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. In the case of contents of urea exceeding 3%, reduce...

          2. 7.2. In the case of low contents of urea, increase the...

          3. 7.3. If the sample contains simple nitrogenous compounds such as amino...

      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. Hydrochloric acid 0·1 N.

          2. 3.2. Solution of sodium hydroxide 0·1 N.

          3. 3.3. Loading agent of phosphate 0·05 M, containing, per 1 000 ml, 4·45 g...

          4. 3.4. Freshly-prepared urea loading agent containing 30·0 g of urea per 1...

        4. 4. Apparatus

          1. 4.1. Potentiometric titration apparatus or high sensitivity pH-meter (0·02 pH) with magnetic...

          2. 4.2. Water bath fitted with thermostat set at 30 oC exactly.

          3. 4.3. Test-tubes with ground-glass stoppers, 150 × 18 mm.

        5. 5. Procedure

        6. 6. Calculation

        7. 7. Observation

          1. 7.1. This method is suitable for a urease activity of up...

          2. 7.2. Products containing more than 10% of crude fatty substance must...

Yn ôl i’r brig

Options/Help

You have chosen to open the Whole Directive

The Whole Directive you have selected contains over 200 provisions and might take some time to download. You may also experience some issues with your browser, such as an alert box that a script is taking a long time to run.

Would you like to continue?

You have chosen to open Schedules only

Y Rhestrau you have selected contains over 200 provisions and might take some time to download. You may also experience some issues with your browser, such as an alert box that a script is taking a long time to run.

Would you like to continue?