SCHEDULE 2METHODS OF ANALYSIS
APPENDIX TO SCHEDULE 2
KEY TO FIGURE 5
- a
A round-bottomed, long-necked flask of 750 or 1,000 ml capacity with a bell mouth.
- b
Distillation tube with a splash head and a spherical joint.
- c
Elbow tube with a spherical joint and a drip cone. (A suitable rubber connection may be used instead of the spherical joint).
- d
A six-bulb condenser with an extension tube mounted on a rubber bung holding a bubble trap.
- e
A 750 ml receiving flask.
- f
A bubble trap to prevent loss of ammonia.