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BS EN ISO 1628-1:2021

BS EN ISO 1628-1:2021

$142.49

Plastics. Determination of the viscosity of polymers in dilute solution using capillary viscometers – General principles

Published By Publication Date Number of Pages
BSI 2021 24
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This document defines the general conditions for the determination of the reduced viscosity, intrinsic viscosity and K?value of organic polymers in dilute solution. It defines the standard parameters that are applied to viscosity measurement.

This document is used to develop standards for measuring the viscosities in solution of individual types of polymer. It is also used to measure and report the viscosities of polymers in solution for which no separate standards exist.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
3.1 Terms related to any liquid
8 3.2 Terms related to polymer solutions
10 4 Principle
11 5 Apparatus
14 6 Solutions
6.1 Preparation
15 6.2 Concentration
7 Temperature of measurement
8 Procedure
8.1 General
8.2 Preparing and charging the viscometer
16 8.3 Efflux time measurement
9 Expression of results
9.1 Reduced viscosity and intrinsic viscosity
17 9.2 K‑value
10 Test report
18 Annex A (normative) Cleaning of apparatus
19 Annex B (informative) Notes on sources of error
22 Bibliography

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BS EN ISO 1628-1:2021
$142.49