ASTM-D1278 › Standard Test Methods for Rubber from Natural Sources—Chemical Analysis

ASTM-D1278 - 1991A R20 EDITION - CURRENT
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Standard Test Methods for Rubber from Natural Sources—Chemical Analysis
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Scope

1.1 These test methods cover the sampling and chemical analysis of solid natural rubber in the forms supplied to the rubber industry.

1.2 The analytical procedures appear in the following order:

Sections
Sampling 5
Volatile Matter 6-8
Dirt9-13
Ash 14-17
Copper (Referee Colorimetric Method) 18-22
Copper (Alternative Colorimetric Method) 23-27
Copper (Alternative Flame Atomic Absorption Method)28
Manganese (Colorimetric Method)29-33
Manganese (Alternative Flame Atomic Absorption Method) 34
Iron (Colorimetric Method) 35-39
Acetone Extract 40-41
Rubber Hydrocarbon 42-43
Nitrogen 44-45

1.3 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

ash; copper; dirt; iron; manganese; nitrogen; rubber hydrocarbon; volatile matter; ICS Number Code 83.040.10 (Latex and raw rubber)

To find similar documents by ASTM Volume:

09.01 (Rubber, Natural and Synthetic -- General Test Methods; Carbon Black)

To find similar documents by classification:

83.040.10 (Latex and raw rubber)

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Document Number

ASTM-D1278-91AR20

Revision Level

1991A R20 EDITION

Status

Current

Modification Type

Reapproval

Publication Date

June 26, 2020

Document Type

Test Method

Page Count

6 pages

Committee Number

D11.22