AATCC 112-2008 甲醛含量.pdf

AATCC Test Method 112-2008
Formaldehyde Release from Fabric, Determination of
Sealed Jar Method
Developed in 1965 by AATCC Committee and an impervious apron during prepara
ir contaminant exposure which should
RR68: reaffirmed 1968.. 1989. tion. Concentrated acids should be han
e met(see 13
1998, 2003; revised 1975, 1978, 1982, dled only in an adequately ventilated lab
1984. 1993: technical correction 1983: oratory hood. CAUTTON: Always add 5. Uses and Limitations
editorially revised 1985, 1986; editorially acid to water.
evised and reaffirmed (with new title
4.3 Formaldehyde is a sensory irritant
5.I The procedure is intended for use
1990,2008.
and potential sensitizer Iis chronic toxic- in the range of releaseable [ormaldehyde
ity has not been fully established. Use in on the fabric up to about 3500 Hg/g. The
1. Purpose and Scope
In adequately ventilated laboratory hood
upper limits are 500 ug/g if a l: 1 ratio of
roid inhalation or skin contact. Use
Nash reagent to sample solution is used
1. 1 This test method is applicable to chemical goggles or face shield, imperv
in the analytical portion of the test and
xtile fabrics that may release formal
ous gloves and an impervious apron 3500 u/g if a 10: 1 ratio is used. The pro
hyde, particularly fabrics finished with when working with formaldehyde
cedure promotes formaldehyde release
micals containing formaldehyde. It
4.4 An eyewash/safety shower should from odor-free, fully cured durable press
ides accelerated storage conditions be located nearby and a self-contained fabrics that have been a lerwashed(Vail
and an analytical means for determining breathin apparatus should be readily S. L. and B. A. K. Andrews, Textile
the amount of formaldehyde released un- available for emergency use
Chemist and Colorist Vol. 11. No. 1. Jan
der the conditions of accelerated storage 4.5 EXI
als used in th
uary 1979, p. 48). For these reasons, th
(see Section 5 and 10. 1)
procedure must be controlled al or below procedure should not be used to estimate
1.2 An optional accelerated incubation
levels set by governmental authorities ug/g formaldehyde in air for compliance
rocedure is available( see 13.5
(e.g, Occupational Safety and Health with any mandated or voluntary stan
2. Principl
Administrations OSHA permissible dards. The procedure was originally de-
exposure limits PEL as found in 29 veloped
re the propensity of a
2.1 A weighed fabric specimen is sus- CFR 1910.1000 of January 1, 1989).In resin-lreated labric to liberate an exces
pended over water in a sealed jar. The jar addition, the American Conference
sive amount of formaldehyde under
is placed in an oven at a controlled tem-governmental Industrial Hygienists humid conditions. " (Nuessle, A. C
perature for a specified length of time (ACGH)Threshold Limit Values(TLVS) American Dyestufreporter, Vol 55, No
(see 13. 5). The amount of formaldehyde
comprised of time weighted averages 17, 1966, pp 48-50, also Reid, J D, R
Absorbed by the water is then determined (TLV-TWA), Short term exposure limits L. Arcenaux, R. M. Reinhardt and J. A
colorimetrical
(TLV-STEL )and ceiling limits(Tlv-c)Harris, American Dyestuff Reporer, Vol
are recommended as a general guide for 49, No 14, 1960, p