The Fertilisers (Sampling and Analysis) Regulations 1996

APPENDIX TO SCHEDULE 2

PART 1, METHOD 2

FIGURE 1

KEY TO FIGURE 1

a

A round-bottom, long-necked flask of l,000 ml capacity.

b

Distillation tube with a splash head, connected to the condenser by means of a spherical joint (the spherical joint for the connection to the condenser may be replaced by an appropriate rubber connection).

c

Funnel with teflon tap for the addition of sodium hydroxide (the tap may likewise be replaced by a rubber connection with a clip).

d

A six-bulb condenser with a spherical joint, fitted with a glass extension tube. (The connection to the distillation tube may be effected by means of a rubber bung instead of a spherical joint.)

e

A 500 ml flask in which the distillate is collected.

The equipment is made of borosilicate glass.

PART 1, METHOD 2

FIGURE 2

KEY TO FIGURE 2

a

A round-bottomed, short-necked flask of 1,000 ml capacity with a spherical joint.

b

Distillation tube with a splash head, fined with spherical joints, connected at the side to a funnel with a teflon tap for the addition of sodium hydroxide.

c

A six-bulb condenser with a spherical joint, fined with a glass extension tube.

d

A 500 ml flask in which the distillate is collected.

The equipment is made of borosilicate glass.

PART 1, METHOD 2

FIGURE 3

KEY TO FIGURE 3

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

An elbow tube with a spherical joint and a drip cone (the connection to the distillation tube may be affected by means of a rubber tube instead of a spherical joint).

d

A six-bulb condenser with a glass extension tube.

e

A 500 ml flask for the collection of the distillate.

The equipment is made of borosilicate glass.

PART 1, METHOD 2

FIGURE 4

KEY TO FIGURE 4

a

A round-bottomed, long-necked flask of 1,000 ml capacity with a bell mouth.

b

Distillation tube with a splash head and a spherical joint connected at the side to a funnel with a teflon tap for the addition of sodium hydroxide (a suitable rubber bung may be used instead of the spherical joint; the tap may be replaced by a rubber connection with an appropriate clip).

c

A six-bulb condenser with a spherical joint, fitted with a glass extension tube. (The connection to the distillation tube may be effected by means of a rubber bung instead of a spherical joint.)

d

A 500 ml flask for the collection of the distillate.

The equipment is made of borosilicate glass.

PART 1, METHOD 3c

FIGURE 5

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 drip cone. (A suitable 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

1 750 ml receiving flask.

f

A bubble trap to prevent loss of ammonia.

The equipment is made of borosilicate glass.

PART 1, METHOD 8a & b

FIGURE 6

KEY TO FIGURE 6

a

Reaction vessel, 350 – 400 ml capacity.

b

Tube for introduction of air.

c

Delivery tube with splash head.

d

Conical flask. 300 ml capacity.

PART 1, METHOD 8a & b

FIGURE 7

KEY TO FIGURE 7

a

Separating funnel.

b

Bubble trap.

c

Conical flask. 300 ml capacity.

PART 1, METHOD 9d

FIGURE 8

KEY TO FIGURE 8

a

Tray for flask.

b

Tray support.

c

Heater.

d

Stirrer

e

Controls for heater, stirrer and electric motor.

f

Electric motor.

PART 1, METHOD 14c

FIGURE 9

KEY TO FIGURE 9

a

Absorption tube with soda lime.

b

Reaction flask.

c´

Vigreux fractionating column 150 mm long.

c

Double surface condenser 200 mm long.

d

Dreschel bottle 250 ml.

e

Ice bath.

f1 and f2

Absorption vesels 32 to 35 mm diameter assembled with spherical ground joints. Gas distributor with 10 mm disc of low-porosity sintered glass.

g

Suction-regulating device.