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API STD 521: Guide for Pressure-relieving and Depressuring Systems – Edition 6

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ISO 16564:2004

ISO 16564:2004 Rubber, raw natural – Determination of average molecular mass and molecular-mass distribution by size exclusion chromatography (SEC)

CDN $124.00

Description

ISO 16564:2004 specifies a method of determining the average molecular mass and the molecular-mass distribution of raw natural rubber dissolved in tetrahydrofuran. A set of polystyrene standards is used for calibration purposes (i.e. the method is a relative one).

An alternative method, using cyclohexane as solvent and polyisoprene standards, is included in an informative annex.

Edition

1

Published Date

2004-10-07

Status

PUBLISHED

Pages

7

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

ISO 16564:2004 specifies a method of determining the average molecular mass and the molecular-mass distribution of raw natural rubber dissolved in tetrahydrofuran. A set of polystyrene standards is used for calibration purposes (i.e. the method is a relative one).

An alternative method, using cyclohexane as solvent and polyisoprene standards, is included in an informative annex.

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