UNLIMITED FREE ACCESS TO THE WORLD'S BEST IDEAS

close
Already an Engineering360 user? Log in.

This is embarrasing...

An error occurred while processing the form. Please try again in a few minutes.

Customize Your Engineering360 Experience

close
Privacy Policy

This is embarrasing...

An error occurred while processing the form. Please try again in a few minutes.

ASTM D6247

Standard Test Method for Determination of Elemental Content of Polyolefins by Wavelength Dispersive X-ray Fluorescence Spectrometry

active, Most Current
Buy Now
Organization: ASTM
Publication Date: 1 October 2018
Status: active
Page Count: 12
ICS Code (Manufacturing processes in the rubber and plastics industries): 83.020
scope:

This test method covers a general procedure for the determination of elemental content in polyolefins by wavelength-dispersive X-ray fluorescence (WDXRF) spectrometry, in mass fraction ranges typical of those contributed by additives, catalysts, and reactor processes. The elements covered by this test method include fluorine, sodium, magnesium, aluminum, silicon, phosphorus, sulfur, calcium, titanium, chromium, and zinc in the composition ranges given in Table 1.

TABLE 1 Mass Fraction Ranges for Additive and Trace Elements in Polyolefins

Element Lower Limit (mg/kg) Upper Limit (mg/kg) Fluorine 100 300

Sodium 25 200

Magnesium 10 600

Aluminum 40 500

Silicon 30 1000

Phosphorus 5 200

Sulfur 20 200

Calcium 10 300

Titanium 5 200

Chromium 5 100 Zinc 10 1000

This test method does not apply to polymers specifically formulated to contain flame retardants including brominated compounds and antimony trioxide.

This test method does not apply to polymers formulated to contain high levels of compounds of vanadium, molybdenum, cadmium, tin, barium, lead, and mercury because the performance can be strongly influenced by spectral interferences or interelement effects due to these elements.

NOTE 1-Specific methods and capabilities of users may vary with differences in interelement effects and sensitivities, instrumentation and applications software, and practices between laboratories. Development and use of test procedures to measure particular elements, mass fraction ranges or matrices is the responsibility of individual users.

NOTE 2-One general method is outlined herein; alternative analytical practices can be followed, and are attached in notes, where appropriate.

The values stated in SI units are to be regarded as the standard.

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. Specific precautionary statements are given in Section 10.

NOTE 3-There is no known ISO equivalent to this standard.

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.

A Summary of Changes section appears at the end of this standard

 

Document History

ASTM D6247
October 1, 2018
Standard Test Method for Determination of Elemental Content of Polyolefins by Wavelength Dispersive X-ray Fluorescence Spectrometry
This test method covers a general procedure for the determination of elemental content in polyolefins by wavelength-dispersive X-ray fluorescence (WDXRF) spectrometry, in mass fraction ranges typical...
August 1, 2010
Standard Test Method for Determination of Elemental Content of Polyolefins by Wavelength Dispersive X-ray Fluorescence Spectrometry
This test method covers a general procedure for the determination of elemental content in polyolefins by wavelength-dispersive X-ray fluorescence (WDXRF) spectrometry, in mass fraction ranges typical...
April 10, 1998
Standard Test Method for Analysis of Elemental Content in Polyolefins by X-Ray Fluorescence Spectrometry
This test method covers a general procedure for the determination of elemental content in polyolefins by X-ray fluorescence spectrometry, in concentration levels typical of those contributed by...
April 10, 1998
Standard Test Method for Analysis of Elemental Content in Polyolefins by X-Ray Fluorescence Spectrometry
1. Scope 1.1 This test method covers a general procedure for the determination of elemental content in polyolefins by X-ray fluorescence spectrometry, in concentration levels typical of those...

References

Advertisement