ASTM D7399-18

Standard Test Method for Determination of the Amount of Polypropylene in Polypropylene/Low Density Polyethylene Mixtures Using Infrared Spectrophotometry

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STANDARD published on 1.4.2018

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The information about the standard:

Designation standards: ASTM D7399-18
Publication date standards: 1.4.2018
SKU: NS-846310
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM

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The category - similar standards:

Thermoplastic materials

Annotation of standard text ASTM D7399-18 :

Keywords:

infrared spectrophotometry, low density polyethylene, polypropylene,, ICS Number Code 83.080.20 (Thermoplastic materials)

Additional information

Significance and Use

5.1 In recycling PP and LDPE, it is important to the end product properties as well as to the processing conditions to know what the composition of the mixture is.

1. Scope

1.1 This test method uses an infrared spectrometer for determining the amount of polypropylene (PP) physically mixed in with low density polyethylene – usually for recycling purposes.

Note 1: Quantitative determinations require several standard mixtures in the concentration range of interest and well defined baseline anchoring points. See Practice E168 for guidance.

1.2 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.

Note 2: There is no known ISO equivalent to this standard.

1.3 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

D2238-22	Standard Test Methods for Absorbance of Polyethylene Due to Methyl Groups at 1378 cm?1
D883-24	Standard Terminology Relating to Plastics
IEEE/ASTM SI-10	Standard for Use of the International System of Units (SI): The Modern Metric System
E1421-99(2021)	Standard Practice for Describing and Measuring Performance of Fourier Transform Mid-Infrared (FT-MIR) Spectrometers: Level Zero and Level One Tests
D1600-18	Standard Terminology for Abbreviated Terms Relating to Plastics (Withdrawn 2024)
E168-16(2023)	Standard Practices for General Techniques of Infrared Quantitative Analysis
E131-10(2023)	Standard Terminology Relating to Molecular Spectroscopy
D5033-00	Standard Guide for Development of ASTM Standards Relating to Recycling and Use of Recycled Plastics (Withdrawn 2007)
E932-89(2021)	Standard Practice for Describing and Measuring Performance of Dispersive Infrared Spectrometers

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