Hi.
I am interested in David's post:
I too wished to change to Prills for weighing out PFA because the usual
crystaline PFA is such a fine powder that it tends to "float" around, when
weighing.
( conforming to Health and Safety recommendations by weighing the latter out
in a fume hood The p
Hi Mary, René, & Histonet
I agree with René completely about concentration & different
paraformaldehyde grades but you might want to consider a
couple of other issues too:
a) physical state. A coarse prill is much easier to weigh out
without contamination than a fine powder.
b) filtration. Befor
