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BS ISO 123:2001

BS ISO 123:2001

$102.76

Rubber latex. Sampling

Published By Publication Date Number of Pages
BSI 2001 16
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This International Standard specifies procedures for sampling natural rubber latex concentrate and for sampling synthetic rubber latices and artificial latices. It is also suitable for sampling rubber latex contained in drums, tank cars or tanks. The procedures may also be used for sampling plastics dispersions.

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PDF Pages PDF Title
3 Rubber latex�— Sampling
5 Contents Page
6 Foreword
7 Rubber latex�— Sampling
1��� Scope
2��� Normative references
3��� Terms and definitions
8 4��� Principle
5��� Apparatus
5.1��� Stirrer
5.1.1��� Plunger
5.1.2��� Motor-driven stirrer
5.1.3��� Motor-driven drum roller
5.2��� Sampling devices
5.2.1��� Sampling tubes for latex in drums
5.2.1.1��� Sampling tube
9 5.2.1.2��� Sampling tube
5.2.2��� Sampling devices for latex in tank cars or tanks
5.2.2.1��� Cylindrical stainless-steel vessel
5.2.2.2��� Sampling tube
5.3��� Beakers
5.4��� Sample bottles
5.5��� Filter
6��� Sampling
6.1��� General
6.2��� Frequency of sampling
6.2.1��� Unless otherwise agreed, sampling shall be carried out at the frequency specified in
6.2.2��� Every lot shall be sampled.
6.2.3��� Where a lot has been divided between a number of distinct containers (e.g. drums), sampl…
6.3��� Preliminary examination
12 6.4��� Sampling from drums
6.4.1��� Homogenization
6.4.1.1��� Homogenize the latex manually as specified in
6.4.1.2��� If the drum is of the open-head type, remove the end head and agitate the contents for…
6.4.1.3��� Alternatively, agitate the contents of the drum by means of the motor-driven stirrer (
6.4.1.4��� If the drum is of the closed-head type fitted with a bung and contains less than
6.4.1.5��� Alternatively, if a single drum is to be sampled it is permissible to homogenize the l…
6.4.2��� Taking the laboratory sample (see
6.4.2.1��� General
6.4.2.2��� Sampling from a single drum
6.4.2.3��� Sampling from several drums
6.5��� Sampling from tank cars and tanks
6.5.1��� General
13 6.5.2��� Sampling operation
6.5.2.1��� Use the sampling vessel (
6.5.2.2��� Operate the sampling vessel (
6.5.2.3��� Operate the sampling tube (
6.5.3��� Testing for homogeneity
6.5.4��� Taking the laboratory sample
6.5.5��� Coagulum content
6.6��� Preparation of the test sample
7��� Labelling the laboratory sample and the test sample
14 8��� Sampling report

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BS ISO 123:2001
$102.76