Formaldehyde Questions

A.J.Cann nna at le.ac.uk
Tue May 19 03:28:36 EST 1998

I have a couple of question regarding the use of  formaldehyde as a
fumigant, I would be very grateful if anyone could help me with these:

1) How do you convert a concentration of formaldehyde vapour expressed as
mg per cubic metre into ppm?

2) Is formaldehyde vapour heavier or lighter than air, i.e. does it tend to
sink or rise?

Thanks for any help.

Dr Alan J. Cann  PhD,   Department of Microbiology & Immunology,
University of Leicester,  P.O. Box 138,  Medical Sciences Building,
University Road, Leicester LE1 9HN,  UK.

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