BS 2782-7 Method 733A:1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Methods of testing plastics. Rheological properties Determination of viscosity number of polyamides
Hardcopy , PDF
English
29-11-1991
15-07-1996
National foreword
Committees responsible
Method
1 Scope and field of application
2 References
3 Definition
4 Principle
5 Reagents
6 Apparatus
7 Preparation of test sample
8 Calculation of mass of test portion
9 Selection of solvent
10 Procedure
11 Expression of results
12 Repeatability and reproducibility
13 Interconversion of the viscosity numbers determined
in different solvents
14 Test report
Figures
1 Ubbelohde viscometer
2 Calibration lines for the interconversion of the
viscosity numbers of PA 6, 66, 69, and 610 in 90 %
(m/m) formic acid solution and in 96 % (m/m)
sulfuric acid solution
3 Calibration lines for the interconversion of the
viscosity numbers of PA 612 and 6(3)T in 96 % (m/m)
sulfuric acid solution and in m-cresol
Method for the determination of dilute solutions in certain specified solvents.
| Committee |
PRI/21
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| ISO 307:2007 | Corresponds |
| ISO 307:1984 | Identical |
| BS 7029-2:1993 | Method of specifying thermoplastics injection mouldings Additional requirements for polycarbonate, polyamide and polyethylene mouldings |
| ISO 599:1985 | Plastics — Polyamide homopolymers — Determination of matter extractable by boiling methanol |
| ISO 1628-1:2009 | Plastics — Determination of the viscosity of polymers in dilute solution using capillary viscometers — Part 1: General principles |
| ISO 1874-1:2010 | Plastics — Polyamide (PA) moulding and extrusion materials — Part 1: Designation system and basis for specification |
| ISO 1042:1998 | Laboratory glassware — One-mark volumetric flasks |
| ISO 960:1988 | Plastics — Polyamides (PA) — Determination of water content |
| ISO 3105:1994 | Glass capillary kinematic viscometers — Specifications and operating instructions |
| ISO 3451-4:1998 | Plastics — Determination of ash — Part 4: Polyamides |
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