Council Directive of 26 February 1973 on the approximation of the laws of the Member States relating to the quantitative analysis of ternary fibre mixtures (73/44/EEC) (repealed)

1. Introductory Text

2. Article 1. This Directive concerns the quantitative analysis of ternary fibre mixtures...

3. Article 2. With regard to the preparation of test samples and test...

4. Article 3. The Member States shall take all necessary steps to ensure...

5. Article 4. Any laboratory responsible for the testing of ternary mixtures shall...

6. Article 5. Any amendments to the specifications in Annexes I, II and...

7. Article 6. (1) Member States shall put into force the provisions necessary...

8. Article 7. This Directive is addressed to the Member States.

9. Signature

10. 1. ANNEX I

       QUANTITATIVE ANALYSIS OF TERNARY FIBRE MIXTURES

       1. GENERAL

          1. Introduction

          2. I. GENERAL INFORMATION ON METHODS FOR THE QUANTITATIVE CHEMICAL ANALYSIS OF...

             1. I.1. Scope and field of application

             2. I.2. Principle

             3. I.3. Apparatus and Reagents

                1. I.3.1. Apparatus

                   1. I.3.1.1. Filter crucibles and weighing bottles large enough to contain such...

                   2. I.3.1.2. Vacuum flask.

                   3. I.3.1.3. Desiccator containing self-indicating silica gel.

                   4. I.3.1.4. Ventilated oven for drying specimens at 105 ± 3 oC....

                   5. I.3.1.5. Analytical balance, accurate to 0-0002 g.

                   6. I.3.1.6. Soxhlet extractor or other apparatus giving identical results.

                2. I.3.2. Reagents

                   1. I.3.2.1. Light petroleum, redistilled, boiling range 40 to 60 oC.

                   2. I.3.2.2. Other reagents are specified in the appropriate parts of the...

                   3. I.3.2.3. Distilled or deionized water.

             4. I.4. Conditioning and testing atmosphere

             5. I.5. Laboratory test sample

             6. I.6. Pre-treatment of the laboratory test sample

             7. I.7. Test procedure

                1. I.7.1. General instructions

                   1. I.7.1.1. Drying

                   2. I.7.1.2. Cooling

                   3. I.7.1.3. Weighing

                2. I.7.2. Procedure

             8. I.8. Calculation and expression of results

                1. I.8.1. Calculation of percentages of mass of clean dry fibres disregarding...

                   1. I.8.1.1. — VARIANT 1 —

                   2. I.8.1.2. — VARIANT 2 —

                   3. I.8.1.3. — VARIANT 3 —

                   4. I.8.1.4. — VARIANT 4 —

                2. I.8.2. Calculation of the percentage of each component with adjustment by...

                3. I.8.3. Note

          3. II. METHOD OF QUANTITATIVE ANALYSIS BY MANUAL SEPARATION OF TERNARY FIBRE...

             1. II.1. Scope

             2. II.2. Principle

             3. II.3. Apparatus

                1. II.3.1. Weighing bottles or other apparatus giving identical results.

                2. II.3.2. Desiccator containing self-indicating silica gel.

                3. II.3.3. Ventilated oven for drying specimens at 105 ± 3 oC....

                4. II.3.4. Analytical balance accurate to 0.0002 g.

                5. II.3.5. Soxhlet extractor, or other apparatus giving identical results.

                6. II.3.6. Needle.

                7. II.3.7. Twist tester or similar apparatus.

             4. II.4. Reagents

                1. II.4.1. Light petroleum, redistilled, boiling range 40o—60 oC.

                2. II.4.2. Distilled or deionized water.

             5. II.5. Conditioning and testing atmosphere.

             6. II.6. Laboratory test sample

             7. II.7. Pre-treatment of laboratory test samples

             8. II.8. Procedure

                1. II.8.1. Analysis of yarn

                2. II.8.2. Analysis of cloth

             9. II.9. Calculation and expression of results

                1. II.9.1. Calculation of percentage masses of clean dry fibre, disregarding loss...

                2. II.9.2. For calculation of the percentage of each component with adjustment...

          4. III. METHOD OF QUANTITATIVE ANALYSIS OF TERNARY FIBRE MIXTURES BY A...

          5. IV. PRECISION OF THE METHODS

          6. V. TEST REPORT

             1. V.1. Indicate the variant(s) used to carry out the analysis, the...

             2. V.2. Give details of any special pre-treatments (See I.6).

             3. V.3. Give the individual results and the arithmetic mean, each to...

             4. V.4. Wherever possible, state the precision of the method for each...

    2. ANNEX II

       EXAMPLES OF THE CALCULATION OF PERCENTAGES OF THE COMPONENTS OF CERTAIN TERNARY MIXTURES USING SOME OF THE VARIANTS DESCRIBED IN POINT I.8.1 OF ANNEX I

       1. Consider the case of a fibre mixture which when qualitatively...

       2. VARIANT No 1

       3. VARIANT 4

    3. ANNEX III

       TABLE OF TYPICAL TERNARY MIXTURES WHICH MAY BE ANALYSED USING COMMUNITY METHODS OF ANALYSIS OF BINARY MIXTURES