ASTM-D4877 2010

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D4877-10 Standard Test Method for Polyurethane Raw Materials: Determination of APHA Color in Isocyanates

Published By	Publication Date	Number of Pages
ASTM	2010	3

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Categories: 71.080.30 - Organic nitrogen compounds, ASTM

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Description

ASTM D4877-10

Historical Standard: Standard Test Method for Polyurethane Raw Materials: Determination of APHA Color in Isocyanates

ASTM D4877

Scope

1.1 This test method measures the color of clear liquids. It is applicable only to materials whose color-producing bodies have light-absorption characteristics similar to those of the platinum cobalt color standards used. (See Test Method D1209 and Note 1.)

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

Note 1—This standard is equivalent to ISO 6271-1:2004.

Keywords

APHA; color; isocyanates; platinum-cobalt scale polyurethane raw materials; Pt/Co scale; Apha color; Isocyanates; Liquids; Polyurethane raw materials–isocyanates; Visual examination–plastics

ICS Code

ICS Number Code 71.080.30 (Organic nitrogen compounds)

DOI: 10.1520/D4877-10

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method Significance and Use Apparatus Reagents and Materials
2	Sampling Preparation of Color Standards (See ) Procedure Report Precision and Bias Keywords TABLE 1

Additional information

Standard Title	D4877-10 Standard Test Method for Polyurethane Raw Materials: Determination of APHA Color in Isocyanates
Published Code	ASTM
Publication Date	2010
Pages Count	3
ICS Codes	71.080.30 - Organic nitrogen compounds