ASTM D1278-91a(2011)

Standard Test Methods for Rubber from Natural Sources—Chemical Analysis (Includes all amendments And changes 12/15/2015).

Automatically translated name:

Standard Test Methods for Rubber from Natural Sources—Chemical Analysis

STANDARD published on 1.11.2011

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The information about the standard:

Designation standards: ASTM D1278-91a(2011)
Note: WITHDRAWN
Publication date standards: 1.11.2011
SKU: NS-16855
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM D1278-91a(2011) :

Keywords:

ash, copper, dirt, iron, manganese, nitrogen, rubber hydrocarbon, volatile matter, Manganese content--rubber, Natural rubber (NR), Nitrogen, Rubber chemicals, Volatile matter content--rubber, Ash--rubber, Chemical analysis--rubber chemicals/materials, Contamination, Copper content, Dirt accumulation/analysis, Iron content, Isoprene (IR) rubber, ICS Number Code 83.040.10 (Latex and raw rubber)

Additional information

Significance and Use

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	5
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)	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.

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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