Schedule 5 DIAGRAM AND KEY TO BE INSERTED IN THE APPENDIX TO SCHEDULE 2 TO THE PRINCIPAL REGULATIONS
FIGURE 9
KEY TO FIGURE 9
A = Absorption tube filled with soda lime
B = Reaction flask
C' = Vigreux fractionating column 150 mm long
C = Double surface condenser 200 mm long
D = Drechsel bottle 250 ml
E = Ice bath
F1 and F2 = Absorption vessels 32 to 35mm diameter assembled with spherical ground joints Gas distributor with 10mm disc of low-porosity sintered glass
G = Suction-regulating device
