Distillation Test Apparatus - TM-5-6640-213-140051

TM 5-6640-213-14

3. To measure a differential pressure, connect

the line with higher pressure to the high-pressure connection, and

the line with lower pressure to low-pressure connection.

To fill the mercury reservoir proceed as

follows:

If a mercury spill occurs, do not vacuum or sweep

the area. This will disperse mercury throughout

the laboratory. Spills may be cleaned up by using

a glass tube of about 6 cm diameter drawn out to

an opening of about 1 mm and connected by rubber

tubing to a filter flask connected with a vacuum

pump or aspirator, the flask acting as a trap.

Control of mercury vapor should not be attempted

with Flowers of Sulfur as this is not effective.

Spills must be reported to the Environmental

Science Officer providing services to the unit.

(a) Remove the fill plug on the well.

(b) Yent the instrument on the low pressure

side, and assure zero adjustment at midscale.

mercury in the well until the indicating level is at approximately

the zero graduation on the scale.

(d) Replace the plug tightly.

(e) Adjust the scale for the correct zero

position in relation to the mercury meniscus.

5. To obtain consistent reading results, always

observe the mercury meniscus in the smae way; read the meniscus at

eye level.

(5) Distillation Test Apparatus.

(a) Description. The petroleum distillation test

apparatus (fig. 2-10) is designed to provide for the test require-

ments of ASTM D-86. The unit consists of a shield assembly and a

condenser assembly. The shield and condenser exteriors are construc-

ted of stainless steel. The condenser interior is constructed of

copper, insulated with a l-inch (25.4 mm) thickness of fiberglass.

The ice-refrigerated condenser is equipped with a drain and overflow

outlet and a distilled-fuel outlet. The shield encloses a 750-watt

heater with autotransformer, two porcelain refractory blocks, observ-

ation window, and elevating device to allow proper alignment of the

distillation flask to the condenser tube, a temperature control

assembly, and an ON-OFF toggle switch. A wooden block is provided

for support of the cooling jar and graduate.

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