Standard Historical Last Updated: Aug 16, 2017 Track Document
ASTM D4661-98

Standard Test Methods for Polyurethane Raw Materials Determination of Total Chlorine in Isocyanates

Standard Test Methods for Polyurethane Raw Materials Determination of Total Chlorine in Isocyanates D4661-98 ASTM|D4661-98|en-US Standard Test Methods for Polyurethane Raw Materials Determination of Total Chlorine in Isocyanates Standard new BOS Vol. 08.03 Committee D20
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Scope

1.1 These test methods determine the total chlorine content of the mixed isomers of toluene diisocyanate (TDI). The difference between the total chlorine content and the hydrolyzable chlorine content (see Test Method D4663) is a measure of the amount of o-dichlorobenzene and other ring-substituted chlorinated products that are present. Both procedures are applicable to a variety of organic compounds but the amount of sample used may have to be varied. (See Note 1.)

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 This standard does not purport to address all of the safety problems, 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. For specific hazards statements, see Notes 2, 4, 5, 6, 10, and Section 12.1.

Note 1-There is no equivalent ISO standard.
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Details
Book of Standards Volume: 08.03
Developed by Subcommittee: D20.22
Pages: 4
DOI: 10.1520/D4661-98
ICS Code: 83.080.10