TECATOR Soxtec System Manuale utente

*•>*-

Fatdetermination

bysolventextraction

withSoxtecSystem

tecator

Sampleprepa-

ration(milling,

homogenization

etc.)

weighsampleinto

thimble(Wi)

Drying

ofsamples

nnnnn

Fixthimblesinto

extractionunit

Fixweighedextrac-

tioncupsintoEx-

tractionUnit.

nnnonn

Weighextractioncups(W2)Addsolventtoextractioncups

nnmnn

Boilingextractionwith

thimblesinsubmerged,

boilingposition(=^10min)

-— iV™**

Finalextractionwith

thimblesinupper,rinsing

position(=^20min)followedbysol-

ventevaporation(=^5min)

Removeextrac-

tioncupsDryextractioncupsWeighextractionf

cupswithextracted/oTai

fat(W3)

W3—W2. inn

—wi—

>•£*„

LSoxtecSystem

INTRODUCTION

UNPACKINGAND

CHECKING

INSTALLATION111:1CONNECTION

FUNCTION

IV:11040EXTRACTIONUNIT8

IV:21041SERVICEUNIT8

IV:3EXTRACTIONCUPSANDCUPHOLDER8

IV:4THIMBLEANDTHIMBLEADAPTERS10

IV:5THIMBLESUPPORTWITHHOLDERANDTHIMBLE

STAND10

IV:6THIMBLEHANDLERANDTONGSFOREXTRACTION

CUPS10

WTM

WLM OPERATIONV:1

V:2

V:3

V:4

V:5

PREPARATIONOFSAMPLE

STARTINGUP

EXTRACTION

SOLVENTRECOVERY,REMOVALOFTHIMBLES

ANDEXTRACTIONCUPS

SHUTDOWN

MAINTENANCE

ANDSERVICEVl:1

Vl:2

Vl:3

Vl:4

Vl:5

Vl:6

Vl:7

SERVICEUNIT13

WATERPUMP13

PRESSUREPUMP13

REPLACEMENTOFHEATINGELEMENT13

REPLACEMENTOFTHERMOSTAT15

REPLACEMENTOFCONDENSERS16

REPLACEMENTOFSEALINGMEMBRANE16

Vl:8REPLACEMENTOFRUBBERSLEEVEBETWEEN

CONDENSERANDEXTRACTIONCUP16

Vl:9.REPLACEMENTOFHOTPLATE18

VI:10REPLACEMENTOFFLATSPRING(HOTPLATE)18

Vl:11ADJUSTMENTOFSPACEBETWEENCONDENSER

ANDHOTPLATE18

TROUBLE-

SHOOTINGvil-1

SCHEMEVll:2FUNCTIONALTROUBLE-SHOOTINGSCHEME

METHODTROUBLE-SHOOTINGSCHEME19

ELECTRICAL

DIAGRAM

ACCESSORIES

ANDSPARE

PARTS

PROCEDUREAND

APPLICATION

NOTES

MANUALPARTNO1000-1540

INTRODUCTION

Crudefatisnormallydefinedaswhatcanbeextractedbyan

appropriateorganicsolvent— suchasdiethylether.Traditio-

nally,organicsolventfatextractionsforquantitativefatde-

terminationsarecarriedoutinSoxhletorrelatedextractors.

Althoughtimeconsumingandinvolvingthehandlingofex-

plosivesolventthesemethodsareuniversallyusedthanksto

goodaccuracyandreproducibility.

TheSOXTECSYSTEMisdesignedtoreplaceandimprovethe

traditional organicsolventmethods.Stillbasedonthetradi-

tionalSoxhletprocedurethepatenteddesignoftheSOXTEC

SYSTEMmakesitpossibletocarryouta quantitativedeter-

minationinonlya fractionofthetimeneededforthetraditio-

nalprocedures.Inadditiontothespeedoftheextraction,

specialattentionhasalsobeenpaidtomaketheSOXTEC

SYSTEMassafeaspossible.

TheSOXTECSYSTEMhastheflexibilitytocopewithmany

organicsolventextractiondemands.ThismakestheSOXTEC

aconvenientandversatileinstrumentwheneveritcomesto

quantitativesolventextractions, e.g.inthefood,feedand

chemical/pharmaceuticalindustriesaswellasinresearch

andofficiallaboratories.

Thesamplestobeanalysedareweighedintothimbles.Dur-

ingtheweighingthethimbleisconnectedtothethimble

adapterandplacedinthethimblesupportonthebalance.All

handlingofthethimblesisdonewiththethimblehandler.No

riskoffatcontaminationfromfingers.

DuringtheextractionintheExtractionUnitthefatisdissolved

inthesolvent.Aftercompletionofextractionthesolventis

evaporatedfromtheextractioncupintothecondenser.AM

fatfromthesampleisnowintheextractioncup.

TheServiceUnitprovideshotwaterforheatingupthehot

platesintheExtractionUnit.Theinsulatedtubingbetween

theServiceandExtractionUnits,makesitpossibletoplace

theServiceUnitina separateroom.Thisprovidesmaximum

safetywhenworkingwithdiethylether.IntheServiceUnit

thereisalsoa pumptogiveairflowintotheextractioncups

whenevaporatingthelastresidueofsolvent.

Forspecificmethodinformationpleaseaskforapplication

notes.

UNPACKINGANDCHECKING

UnpacktheSOXTECSYSTEManditsaccessorieswithcare.

Removeallpackingmaterial.Usethepackinglistinthisma-

nualortheoneyoufindpackedtogetherwiththeunit,and

checkthatyouhavereceivedallparts.Ifanypartismissing,

contactyourTecatorrepresentative.

PACKINGLIST

Partno.

1040-001

1040-002

1040-003

1040-011

1041-011

Quant.

Fig.pos.

A13

A:11

A:21

Description

SoxtecSystemM6comprising:

1040-011ExtractionUnit

1041-011ServiceUnit

1000-1540Manual

SoxtecSystemM12comprising:

1040-011ExtractionUnit

1041-011ServiceUnit

1000-1461AssemblyKit

1000-1540Manual

SoxtecSystemM18comprising:

1040-011ExtractionUnit

1041-011ServiceUnit

1000-1461AssemblyKit

1000-1540Manual

ExtractionUnit,complete,comprising:

1040-012ExtractionUnit

1000-1462ExtractionCups(setof6)

1000-1431CupHolder

1000-1464Thimblesupport(setof7)

1000-1080Holderforthimblesupport

1522-0018Thimbles(setof25)

1000-1466ThimbleAdapters(setof6)

1000-1467ThimbleHandler

1529-0007Tongsforextractioncups

1000-1473ThimbleStand

1000-1476Tubing(08/11mm)

1569-0010Plasticstrips

1000-1469SparePartKitA

ServiceUnit,complete,comprising:

1041-012ServiceUnit

(208—240V,50/60Hz)

1000-1432Tubingforhotwater

1000-1477Tubingforair

1527-0019Lubricatingoii

1569-0009Plasticstrips

1000-1468SparePartKitB

SparePartKitA comprising:

1000-1420Sealingmembranes(setof6)

1000-1424Cylindricseals(setof6)

1569-0010Plasticstrips(setof10)

SparePartKitB comprising:

1577-0028Shaftsealing(waterpump)

1577-0014Membrane(pressurepump)

1542-0026Gasket(setof4 for

hotwatertubing)

1569-0009Plasticstrips(setof4)

Fig.A

Fig.A:1Fig.A:2

INSTALLATION

Placetheunitsona laboratorybench.Dependingonthesol-

ventyouaregoingtouse,theExtractionUnitmightbelocat-

edina fumecupboardseparatedfromtheServiceUnit.

Asanalternativethereisa connectionontherearoftheEx-

tractionUnitwhichcanbeconnectedviafiexibietubingtoa

ventilationfan.TheExtractionUnitmustbeplacedclosetoa

coldwatertapanddrainage.

111:1.CONNECTION

ConnectthePVC-tubing(08/11mm)forcoldwateraccording

tofig.B.

Connecttheinsulatedrubbertubingforhotwateraccording

tofig.B.Makesurethattherubbersealsareonplace.(Fig.C)

Itisenoughtofastentheconnectionbyhand.

TheServiceUnitmustbeplacedclosetoa wallsocket.Never

connectitwithoutwaterinthetank.Connectthehotwater

tubingfromtheExtractionUnitandthePVC-tubingforair.

Seefig.B.

IfnecessarytheExtractionUnitcanbeplacedfurtheraway

fromtheServiceUnit(standardlengthofthehotwatertubing

is3 m).Forthispurposethe1000-1460extensionkitshould

beused.

IfyouaregoingtoconnectanadditionalExtractionUnituse

the1000-1461assemblykit.

Fig.B

1.Coldwaterinletforcon-

densers(waterflow1—21/

min.)

2.Wateroutletfromconden-

sers

Hotwaterconnections:7 con-

nectedto3 and8 connected

to4

Airtubingconnection:6 con-

nectedto5

9.Electricalcable

8O O93

O O 5

Fig.C

Fig.D

WhentheExtractionUnitandServiceUnitareconnected,fill

distilled(ordeionized)waterintothetankintheServiceUnit

(Fig.D).Assoonastheelementinthetankiscoveredwith

water(ca2 I),plugintothewallsocket(208/240V,50/60Hz,10

A)andswitchon"MAINS".Openthevalve"HEATING"on

theExtractionUnittogetridofairinthehotplatesandtub-

ing.Fillmorewaterintothetank.Thewaterlevelshouldbea

fewcmbelowtheedgeofthetank.(ca4 I withoneExtraction

UnitandStandardtubings).

Fillabout50mlofthelubricantoil(1527-0019)intothetank

(thisisinordertoavoidunnecessarywearofthepump).

Thethermostatisadjustedtoabout90°Cwhentheequip-

mentisshippedtoyou.Ifyouwanta lowertemperature,use

asmallscrewdriverandturnthescrewonthethermostat

counterclock-wise.Fig.E.(Checktemperaturewitha thermo-

meterinthetank.)

Normalheating-uptimefromroomtemperatureto90°Cis

about15minutes(220V).Switchon"AIR"tocheckthatthe

airpumpisworking.

NOTE: Always run a blank with the new equipment to get rid

of deposits in the condensers.

Fig.E

FUNCTION

TheSOXTECSYSTEMcom-

prises:

—1040ExtractionUnit

—1041ServiceUnit

—ExtractionCups

—CupHolders

—Tongsforextractioncups

—ThimbleSupports

—Hoiderforthimblesup-

ports

—Thimbles

—ThimbleAdapters

—ThimbleHandler

—ThimbleStands

—Tubingforhotwaterand

air

IV:1.1040EXTRACTIONUNIT(Fig.F)

IntheExtractionUnitthefatextractionisdoneintwosteps.

Firstthethimblewithsampleisimmersedintheboilingsol-

vent.Mostofthefatnowdissolvesinthesolvent.Inthesec-

ondstagethethimbleisraisedabovethesolventsurfaceand

thefatresidueinthesampleiswashedoutbythesolvent

droppingfromthecondenser.

Aftertheextractiontheknobabovethecondenseristurned

clockwise.Thiswillclosetheoutletforcondensingsolvent.

Aftersomeminutesmostofthesolventiscollectedinthe

condenser.Thelastresidueofsolventisevaporatedwhen

theairvalveisopened.

IV:2.1041SERVICEUNIT

TheServiceUnitprovideshotwatertotheExtractionUnit

froma builtintank.Thethermostatinthetankisadjustable

fromtheoutsideoftheServiceUnit(Fig.E).Thehotwateris

pumpedfromtheServiceUnittothehotplatesintheExtrac-

tionUnit.ThepumpcanworkevenifthevalveontheExtrac-

tionUnitisclosed.

IntheServiceUnitthereisalsoa pumptogivetheairflowfor

evaporatingthesolvent.

IV:3.EXTRACTIONCUPSANDCUPHOLDER

Withthecuphoiderallsixextractioncupsarecarriedwith

onehandwheninsertingandremovingthemintheExtrac-

tionUnit,orwhenmovingthemtothebalance.Theextraction

cupsaremadeofaluminium.Neverplacetheextractioncups

ona dirtysurfaceduringanalysis.Thismightalterthetare

weight.Beforeusecheckthatthebottomsurfaceofthecups

isclean,otherwisetheheattransferfromthehotplatos

mightbedisturbedandresultinlongerboilingstarttime.

Explanationofsymbolsinfi-

gureF

1.Recoveryknob

2.Condenser

3.Extractionmodeknob

4.Sliderail

5.ExtractionCup

6.CupHoider

7.Hotplate

8.Airvalve

9.Hotwatervalve

10.Fasteningmechanism

11.Leverforfastening

mechanism

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