Inexpensive PVC Round-Bottom Flask Holders W C piping can be purchased in a variety of diameters a t a reasonable cost and cut into sections of about 1%-in. depth each. These rings then can a d a s supports for round-bottom flasks. We have used these in our labs for over 20 years and they show no sign of wear. an asortment of pipe sizes, flask sizes, and cost are Listed in the accompanying tahle. Pipe Size
Flask Size
Approximate Cost Each
4-in.
500mL
$0.20
3-in.
250 mL
0.15
2411.
100 mL
0.05
1.5-in.
50 mL
0.05
1.5-in.
25 mL
0.05
1.5-in.
10 mL
0.05 (provided partial suppoll)
Eugene J. McDevin Siena College 515 Louden Road Loudenviile. NY 12211-1462
802
Journal of Chemical Education
