BS 6306-1:1982
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Methods for determination of limiting viscosity number of cellulose in dilute solutions Cupri-ethylene-diamine (CED) method
Hardcopy , PDF
03-30-2007
English
10-29-1982
National foreword
Cooperating organizations
Method
0 Introduction
1 Scope and field of application
2 References
3 Principle
4 Definitions
5 Pretreatment of test samples
6 Alternative A - Determination of limiting viscosity
number at low concentration of cellulose
7 Alternative B - Determination of limiting viscosity
number at reproducible shear rate
8 Test report
Annexes
A Preparation and analysis of the cupri-ethylene-
diamine solution
B [eta].c at different values of viscosity ratio
eta/eta 0
C Samples of very high or very low viscosity
D Pretreatment of bast fibres
Tables
1 Concentration c to be used, as a function of the
limiting viscosity number [eta] which will be
measured
2 Concentration c to be used as a function of the
limiting viscosity number [eta] which will be
measured
Figures
1 Viscometer suitable for determination of the limiting
viscosity number in accordance with alternative A
2 Viscometer suitable for determination of the limiting
viscosity number in accordance with alternative B
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