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Standard ASTM D1278-91a(2020) 1.6.2020 preview

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ASTM D1278-91a(2020)

Standard Test Methods for Rubber from Natural Sources´Chemical Analysis (Includes all amendments and changes 6/26/2020).

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STANDARD published on 1.6.2020

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The information about the standard:

Designation standards: ASTM D1278-91a(2020)
Publication date standards: 1.6.2020
SKU: NS-997554
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: American technical standard
Category: Technical standards ASTM

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The category - similar standards:

Latex and raw rubber

Annotation of standard text ASTM D1278-91a(2020) :

Keywords:

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

Additional information

Significance and Use

3.1 These test methods are intended for quality control acceptance of natural rubber and may be used for referee purposes.

1. 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

Volatile Matter

6 – 8

Dirt

9 – 13

Ash

14 – 17

Copper (Referee Colorimetric Method)

18 – 22

Copper (Alternative Colorimetric Method)

23 – 27

Copper (Alternative Flame Atomic Absorption Method)

Manganese (Colorimetric Method)

29 – 33

Manganese (Alternative Flame Atomic Absorption Method)

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2. Referenced Documents

D1485-07(2020)	Standard Practice for Rubber from Natural Sources´Sampling and Sample Preparation
D1193-06(2018)	Standard Specification for Reagent Water
D297-21	Standard Test Methods for Rubber Products—Chemical Analysis
D3533-05	Standard Test Method for Rubber-Nitrogen Content (Withdrawn 2006)
D4004-06(2021)	Standard Test Methods for Rubber—Determination of Metal Content by Flame Atomic Absorption (AAS) Analysis
E131-10(2023)	Standard Terminology Relating to Molecular Spectroscopy
E11-22	Standard Specification for Woven Wire Test Sieve Cloth and Test Sieves
D4483-20	Standard Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries

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