Norm ASTM D4457-02

Standaard testmethode voor de bepaling van dichloormethaan en 1,1,1-trichloorethaan in verven en coatings door directe injectie in een gaschromatograaf Deze titel is een machinevertaling van de oorspronkelijke Engelstalige titel (Engelstalige pagina ).
Status
:
Vervangen
Publicatiedatum
:
2002
Talen
:
EN
ICS
:
87.040 Verven en vernissen
Samenvatting :

1.1 This test method covers the determination of total amount of dichloromethane or 1,1,1-trichloroethane, or both, in paints and coatings. It has been evaluated for cellulose nitrate, alkyd, vinyl, and styrene-butadiene systems. It has not yet been evaluated for other formulations, but is believed to be applicable. The established working range of this test method is from 31 to 65 % for 1,1,1-trichloroethane and 32 to 78 % for dichloromethane. There is no reason to believe it will not work outside of these ranges. The presence of 1-propanol in paints and coatings requires the use of a different internal standard. (See also Practice E 260.)

1.2 The values stated in inch-pound 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 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. Specific hazard statements are given in Section 7.

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