ASTM D7771-11

Standard Test Method for Determination of Benzo-alfa-Pyrene (BaP) Content in Carbon Black

STANDARD published on 1.11.2011

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The information about the standard:

Designation standards: ASTM D7771-11
Note: WITHDRAWN
Publication date standards: 1.11.2011
SKU: NS-39090
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM D7771-11 :

Keywords:

BaP, benzo-a-pyrene, carbon black, GC/MS, Soxhlet extraction, toluene extract, ICS Number Code 83.040.20 (Rubber compounding ingredients)

Additional information

Significance and Use

This test procedure is used to determine the concentration of BaP extracted from carbon black by the means of a Soxhlet extraction apparatus with toluene.

1. Scope

1.1 This test method covers the qualitative and quantitative determination of only benzo-α-pyrene (BaP), a specific polycyclic aromatic hydrocarbon (PAH), on carbon black. The procedure involves Soxhlet extraction with toluene and analysis by gas chromatography with mass spectrometry (GC/MS). This method is not intended to test for U.S. Food and Drug Administration (FDA) compliance of carbon blacks used for indirect food contact applications.

1.2 Units—The values stated in SI units are to be regarded as the standard. No other units of measurement are included in this standard.

1.3 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

Method 8270D	Semivolatile Organic Compounds by Gas Chromatography/Mass Spectrometry (GC/MS)
D4483-25	Standard Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries
21 CFR 178.3297	Indirect Food Additives: Adjuvants, Productions Aids, and Sanitizers, Colorants for Polymers Available from the U.S. Government Printing Office, Superintendent of Documents, 732 N. Capital St., NW., Washington, DC 20402-0001.

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