ASTM D 5221 : 1992
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Standard Test Method for Continuous Measurement of Formaldehyde in Air (Withdrawn 1997)
Hardcopy , PDF
12-31-1997
English
12-31-2010
CONTAINED IN VOL 11.03 1997 Covers the continuous measurement of formaldehyde vapor in outdoor or indoor atmospheres. The test method uses an automated wet-chemical colorimetric analyser with a continuous signal output.
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