SOP for Operating the Double Distillation Unit

1.0     Objective:

The objective of this Standard Operating Procedure is to lay down the procedure for operating the Double Distillation Unit (CAT.3362 Cap 1.5Lit/hr)

2.0       Scope:

 This SOP covers operating procedure of Double Distillation Unit (CAT.3362 Cap 1.5Lit/hr)

3.0        Responsibility:

 Laboratory Assistant: Responsible for operation and maintenance as per procedure.

         Head of Department: Responsible for maintenance, timely as           per schedule.

         QA Officer/QA Manager: Review the records and governing the document.

4.0       Procedure:

 4.1    The glass boiler unit is to be clamped to the stand.

 4.2    Fix the quartz “U” type heater into the boiler .The heater                comes with silicone bush which should be firmly placed into            the socket of the glass boiler .Do not over tighten or twist the        silicone bush.

 4.3    The heater are marked I & II. The heater marked I (red boot)            is for the first unit & heater marked II (blue boot) is for the              second unit.

4.4    The leads of electrical wire is fixed to the black connector             provided on the stand.

4.5    The pin plug wire is connected to the other side of electrical           connector.

 4.6    The coil condenser is fixed to the boiler by smearing small            amount of silicone grease to the cone of condenser.

4.7   Connect the rubber tubes from the tap to inlet of condenser           and from outlet of the condenser unit to the sink.

4.8  The cooling water supply to both the condensers should be              independent. The hot water coming out from the 1^st condenser          should never be connected to the condenser inlet of the 2 ^nd                  condenser unit.

4.9 The distilled water from the first unit is fed into the feed water        inlet tube of the second unit by silicone tubing.

4.10 When the water levels rises and fills the boiler of the second           unit switch on the second unit and collect the double distilled          water.

4.11 Connect 3 pin plugs to the mains & switch on. The water                 boils    in the boiler, condenses and distilled water is collected.

4.12 Silicone rubber tube is connected to the distilled water outlet.         Rinse the container with distilled water once before collecting         it.

4.13 Ensure that the hot zone of the heater is well immersed in the         water and is away from the silicone bush.

4.14 Specific Conductivity, Silica, Colour Retention and pH will             be   checked twice in a month and record the result 

5.0       Maintenance:

5.1      Clean the glass equipment with hydrochloric acid.
             

5.2      Check the electric connection.
                                                 

5.3      Clean equipment outside with dry cloth.

6.0      Documentation:                

6.1      Annexure - 1      Reagent Grade Water                                            XXX/FRM/000

              

7.0      History of Revision:

Revision No.	Effective Date	Revision details	Reason for revision

WEEKLY TESTING REPORT ANNEXURE 1
MONTH:
DATE
SILICA (APHA 4500 SIO2 D)
LIMIT (mg/l)	0.1	0.1
COLOUR RETENTION OF KMNO4 AT 27 ± 2 ºC  MINUTES (IS 1070:1992 ANNEX A)
LIMIT (Minutes)	10	10
OBSERVED SPECIFIC CONDUCTIVITY AT 25 º C MAX(IS:3025(PART 14:1984))
LIMIT (µmho/cm)	0.1	0.1
pH (At 25 ° C)
SIGNATURE
REMARKS
SOP Ref.: XXX/SOP/000                 Format No.: XXX/FRM/000