BS 2610:1978
Current
The latest, up-to-date edition.
Method of test for the determination of the cuprammonium fluidity of cotton and certain cellulosic man-made fibres
Hardcopy , PDF
English
29-12-1978
Foreword
Cooperating organizations
Method of test
1. Scope
2. References
3. Principle
4. Definitions
5. Reagent
6. Apparatus
7. Calibration of the viscometer
8. Preparation of test specimens
9. Test procedure
10. Calculation and expression of results
11. Report
Appendices
A. Preparation of the solvent
B. Determination of copper
C. Determination of ammonia
D. Determination of nitrite
E. Measurement of the volume (V) between top
and bottom timing marks
F. Measurement of the total volume (Vo) enclosed
by the viscometer
G. Weighing and introduction of specimens
H. Calculation of the required mass of acetate or
triacetate
J. Pre-treatment of fibres which are difficult to
dissolve
K. Position and use of the middle timing mark
Tables
1. Concentration in solvent of cotton mixtures
2. Ratio of cuprammonium fluidity to t1/t2
Figures
1. (1, 2, 3 and 4). Viscometer and ancillary apparatus
2. Blackened glass container for solvent
3. Observation tank with apparatus
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