A HYPOTHETICAL
LABORATORY
SIR MANUEL ANTONIO C. ESLAO III
MASE
 Our
FACILITIES
single floor laboratory consists of six work
benches with gas and water outlets.
 There are 12 pair of chairs for the lecture
area facing a blackboard.
 Storage for apparatus encircles the work area
in forms of cabinets.
 A fume hood is at the north side of the
laboratory.
 There is ample desk space for project work.
MAINTENANCE

Inorganic chemicals should be arranged under the
name of metals and their shelves shall be labeled
accordingly. Al chemicals are in a separate and
well ventilated room with a log book for usage of
chemicals.

Old stock of chemicals should be used first
because chemicals deteriorate with age.

Dangerous and highly flammable chemicals are
labeled and stored in a lock and key special
cupboards, away from direct sunlight.
MAINTENANCE
 For
glassware, they should not be
placed too high or mixed with heavy
apparatus for the fear of falling or
breakage.
 To do this, tall apparatus should be
placed at the back of the shelves and
smaller pieces are in front to avoid
tumbling.
MAINTENANCE
 All
flasks should be separated
according to size to avoid tumbling.
Flat bottom vessels may stand upright
but round bottom vessels should be
stord in a bin.
 Petri dishes and microscopic slides
should be in shelf trays.
MAINTENANCE
 Plastic
apparatus should be stored
away from heat sources.
 If it is brittle, it should not be stored
with heavy apparatus.
MAINTENANCE
Metal
ware such as clamps,
boss heads, tripod stands,
Bunsen burners should be
stored together and they need
periodic maintenance.
MAINTENANCE
Optical items such as
lenses, mirrors and prisms
are kept in drawers with
packet of silica get to
maintain dryness.
INSPECTION
Inspection
book: For each
laboratory inspection a record
must be made in the laboratory
inspection book of repairs to
done on items
For utilities
ORDERING AND
PURCHASING

Purchasing is handled by the head of institution or
by any other senior teacher as duty assigned by
the Head.

All correspondence including payment is signed by
the head not by senior Teacher.

Must know the amount available at time of
making purchase .

If purchase is over the amount of money
approved then permission must be obtained from
Head of institution.
ORDERING AND
PURCHASING


Sure that item to be purchased is not in the list of
government contract items.
In bulk items are cheaper .

Time of Purchase of items. Some are used fresh
others can be stored.

Items are usually more expensive when they are
purchased from companies that deal with
scientific equipment.
PROCEDURE OF
PURCHASES
QUOTATIONS
When
certain items are not
available from sources other than
agent for scientific equipment,
normal practice is to write to all
the local agents for quotations of
prices for the items required.
PROCEDURE OF
PURCHASES
SELECTION OF SUPPLIERS
 When
all the quotations have been
received, the next important is to select
the supplier.

Usually different suppliers are selected
for different items.
 The
price of an item is ,of course, the key
factor in the selection of supplier
PROCEDURE OF
PURCHASES
SELECTION OF SUPPLIERS
.
Qualities of goods, reputation of supplier
and after sale service are also important
factor to considered.
 Request
can always be made to suppliers
to send samples of items for careful
inspection of quality.

All the quotations should be filed.
PROCEDURE OF
PURCHASES
ORDERING
 After
the suppliers have been selected,
order forms should be sent to them.

A carbon copy of every order form should
be properly kept in record.
ACKNOWLEDGEMENT : A company will send
an acknowledgement once it has received
the order. This acknowledgement should
be kept in record.
PROCEDURE OF
PURCHASES
The company will then send a delivery note
if it is ready to deliver.
A receipt should be checked and thoroughly.
After delivery, the supplier will send an
invoice. Match this with the quotations from
the supplier before payment.