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Start stirring and allow the hexane to heat for 1 h. This edition includes revisions to Section 10, Calculation. Each test result was an individual determination.
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ASTM D – 13 Standard Test Method for Measurement of Hexane Extractable Content of Polyolefins
Repeatability Limit, r— Comparing two test results for the same material, obtained by the same operator using the same equipment on the same day. It is applicable to resins containing greater than 0.
This guide lists existing ASTM and ISO methods plus asfm practiced industrial techniques for identification and classification of contaminants in recycled plastics flake or pellets. You may delete a document from your Alert Profile at any time. The two test results should be judged not equivalent if they differ by more than the R value for that material. Units used in 21 CFR This test method provides a means d55227 determine the amount of hexane-soluble low molecular weight material present in polyolefins.
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This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Reproducibility Limit, R— Comparing two test results for the same material, obtained by different operators using different equipment in different laboratories. The materials were supplied by one laboratory. This standard is also available to be included in Standards Subscriptions.
Replace the kettle head with condenser column.
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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. As the voice of the U. Techniques to separate and identify incompatible plastics, moisture, chemicals, or original product residues, and solid contaminants such as metals, paper, glass, and wood are essential to the processing of recycled plastic materials. Add to Alert PDF.
Standard Test Method for Measurement of Hexane Extractable Content of Polyolefins
If the temperature exceeds these limits, the test must be discontinued and restarted. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server.
Note 1—There is no known ISO equivalent to this standard. NOTE 23—The axtm of water in the bath must be kept at least 2 cm above the level of the solvent in the kettle to ensure the temperature equilibrium. Current edition approved June 15, Appendix X1 lists the tests and the specific contaminant ast by each procedure.
ASTM D5227 – 13
The two test results should be judged not equivalent if they differ by more than the r value for that material. D — The principles of Because it may asmt be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. Referenced Documents purchase separately The documents listed below are referenced within the subject standard e5227 are not provided as part of the standard.
A superscript epsilon indicates an editorial change since the last revision or reapproval. Subscription pricing is determined by: Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Note 1 — There is no known ISO equivalent to this standard. In all cases only the current version of the standard as published by ASTM is to be considered the official document.
It is applicable astn resins containing greater than 0.
Last previous edition D — Precision and Bias 12 If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service e-mail ; or through the ASTM website.
The following explanations of r and R Position the kettle so that the center bottle of the kettle is sitting on a submersible stirrer. 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. For the convenience of the user, Committee D20 has highlighted those changes that may impact the use of this test method. Units used in 21 CFR NOTE 34—Care must be exercised when cutting the samples to avoid ragged edges on the specimen.
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