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Contents
I. SUMMARY.............................................................................
II. MAINSPECIFICAITON....................................................................................- 2 -
III. STRUCTURE....................................................................................................- 4 -
IV. INSTALLATION................................................................................................- 5 -
V. OPERATION......................................................................................................- 7 -
VI. PROBLEMS ANDTROUBLESHOOTING................................................. -14 -
VII.MAINTENANCE............................................................................................- 14 -
VIII. CAUTION......................................................................................................- 15 -
IX. APPENDIX......................................................................................................- 16 -
X. REFERENCE FOR TEMPERATURE VALUE............................................ - 16 -
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Warning: The instrument can not provide the designed protectionforoperators who do not follow the right procedures andrequirements given by
the manufacturer.
Warning: All solutions must be handled with care according tothe
labs safety regulation. Please make a reference to the relatedmaterial safety
data sheet. Wear the lab-gown, goggle and rubber gloves all thetime. Be
care of hot reagents.
Warning: Be aware of the risk of electric shock. Only thetrained
professionals are permitted to open the face panel or backcover.
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)$46 User Manual
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I. Summary
1. Application
)$46 Fat Analyzer, designed in accordance with GB/T 14772-2008,can
be used not only in measuring the fat content in food, diaryproduct and
feedstuff, but also in testing the soluble organic compound indetergent,
medicine, petrochemicals, fiber products, soil and sewageetc.
For example:
(1). To test the fat content in the food, feedstuff, grain, andseed.
(2). To extract the fat from the sewage and mud.
(3). To extract the semi-volatile organic compound such aspesticide and
weedicide.
(4).To extract plasticiser from plastics; to extract colophonyfrom the paper; to
extract grease from the leather.
(5).To perform the pre-digestion process to the solid samplesfor the Gas
chromatography (GC) or Liquid chromatography (LC).
2. Principle
Based on the principle of Soxhlet extraction, )$46 uses theweighing
method to obtain the fat content. After being extracted from thesample by
solvents such as absolute ether or petroleum ether, the fat isdried and
weighed. The difference between the vessels weights before andafter the
extraction is the fat content.
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II. Main Specificaiton
1. Technical specification
(1). Wide temperature controlling range:
Room temperature: +5~280; Accuracy: 1
(2). Heating power: 1000 W
(3). Operation voltage: 220V(4). Frequency: 50/60 Hz
(5). As many as six samples can be tested at the same time.
(6). Volume of solvent vessel: 80 ml;
Sample amount: 0.5~15 g (regular amount: 2~5 g)
(7). Solvent recovery rate: 80%
(8). Testing scope: 0~100%
(9). Dimension (mm): 650320700
(10). Weight: 35 Kg
2. Features:
(1).5.1 inch LCD and controlling system with microprocessor
(2).Overheating warning and alarm function are available.
(3).The audible, visual warning signals as well as the remindingmessages on
the screen are used in the alarming system.
(4).Both timing and time recording functions are available.
See AlsoKrok 2 - 2013 Question Paper (Stomatology) - [PDF Document]56 Brilliant Woodworking Tips for Beginners(5).The all-in-one metal heating block is utilized to achievethe wide
temperature controlling range with the high controllingaccuracy.
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(6).The elevation connection using the transmission technique ofthe linear
bearing brings the flexible elevating operation.
(7).All information can be clearly displayed on the screen. Thepreset
temperature, actual temperature and heating time can bedisplayed
simultaneously on the screen.
(8).The safe operation is ensured because the electric circuitis completely
isolated with the extraction cell.
(9).With the unique air space insulation technique, thetemperature ofinstruments case can be kept normal.
(10). Compared with the traditional soxhlet extraction, itsspeed and
efficiency are better.
3. Working Condition
(1). Input voltage: 220V 50Hzair break switch and leakagecircuit breaker
are required.
(2). The apparatus should be placed where water, drain basin,electric pocket
are available.
(3). Power supply should meet the requirements of the apparatusto avoid
electric over stress; independent switch, safety device andreliable grounding
are required.(4). The apparatus should be placed away from bigelectric equipment to
avoid strong magnetic field.
(5). Ensure the good ventilation of the laboratory.
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III. Structure
Components
1.Gliding balls 2. Condenser pipe 3. co*ck 4. Extraction cups
5. Lever 6. Socket 7. Power switch
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IV. Installation
1. Check before Installation
After the analyzer is unpacked, check the analyzer and all theparts specified
in the manual and check if there are any damages. If so, pleasecontact the
manufacturer in time (please keep the damaged parts).
2. Conditions for Installation
(1). This analyzer should be placed away from direct sunshine,moisture,
heat and coldness,Generally room temperature should be keptbetween
10 ~ 28.
(2). This analyzer should be placed near water source and sinks,and electric
socket should be available at the site. The distance between theinstrument
and water tap (or the power socket) should not be over 1 meterto ensure
convenience of operation. The water should meet the followingrequirements:
water flow 1-2 liter per minute, adequate water pressure andtemperature no
more than 20.
(3). The sink should be at least 10cm lower than the wateroutlet of the
instrument to ensure free flow of the water.
(4). The power supply should meet the requirement. Ground line,separate
power switch and right fuse are necessary to make sure thesafety of the
operators.
(5). This analyzer should be installed at the place where thereis no big
electrical equipment nearby and the working place should be freeof vibration,
corrosive liquid and interference from strong electromagneticfield.
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3. Procedures of Installation
Put the analyzer at test table stably. The back of it should be20 centimeters
away from the wall, and the socket should not be more than 1meter away
from the analyzer. Air switch, leakage switch, and reliableground line
should be equipped. See figure 1.
Figure 1
(1). Condensate inlet (connect to the water tap)
(2). Condensate outlet (connect to the sink)
)$46 User Manual
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V. Operation
1. Reagent, equipment and tools
(1). Ether (analytical pure), petroleum ether (analytical pure,boiling range
30~60)
(2). Analytical balance (0.0001g)
(3). Filter paper with diameter of 90mm
(4).Graduated cylinder (100ml)
(5). Drying oven
(6). Grinder
(7). Mortar and pestle
(8). Desiccator
2. Pre-processing of Sample
2.1 Pre-processing of Food Sample
2.1.1 Solid sample: Get at least 200g of typical sample. Mashand mix the
sample well, and put it into the closed glass vessel; for thosethat are not
easy to mash, cut them into small granules and then put theminto the closed
glass vessel through a circular sieve ( holes 1.0 mm indiameter).2.1.2 Powder sample: get at least 200g of typical sample(the powder should
be mashed well if particles of the powder are big). Mix well,and then put into
glass vessel through a circular sieve ( holes 1.0 mm indiameter).
2.1.3 Paste sample: get at least 200g of typical sample, mixwell, and put into
glass vessel.
2.1.4 Solid and liquid sample: get at least 200g of typicalsample according to
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4. Experiment Procedures
(1). Make one extraction thimble with filter paper (use thepaper rod attached).
Measure 2-5g sample with the analytical balance (to the nearest0.0001g)
and put the sample in the thimble. Put the thimble in theholder, which will be
attached to the instrument by magnet.
(2). Dry a constant weight extraction cup and measure itsweight. Put 60ml
Petroleum ether or absolute ether in the cup and put it on theheating plate.
(3). Push down the lever to seal the extraction cup with thejoint washer.
Move the gliding ball to put the thimble in the cup and makesure that the
sample is fully in the solvent.
(4). Turn on the power and open the condensate. Set up thetemperature and
time.
(5). After a while, move the gliding ball to lift up the thimbleand start the
extraction. When the extraction is completed, close the co*ck onthe
condensate pipe and the solvent will be evaporated, condensed atthe
condenser, and collected in the empty extraction chamber underthecondensate pipe. Then open the co*ck and start the rinsingprocess, during
which the condensed solvent washes final traces of fat from thesample. In
the end, close the co*ck and the solvent will be condensed andcollected in
the extraction. Stop heating.
(6). Cool the heating plate and extraction cup. Pull up thelever and open the
co*ck. Get the solvent in the extraction chamber.
(7). Remove the extraction cup from the heating plate and put itin the drying
oven. Then put the cup in the desiccator to cool down. Measurethe weight of
the cup and work out the percentage of the fat content.
(8). Turn off the power and condensate.
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VI. Problems and Troubleshooting
No. Problem Possible Reason Trouble Shooting
1 No powerThe fuse burnedBad connection of powercord
Replace the fusePlug the power cordagain
2SolventGasleakage
1.Insufficient condensate
2.The rubber ring at the end
of the condensate pipe is old
and can not seal the pipe
tightly
3.The condensate pipe is
broken
Put in more condensateReplace the rubberringReplace thecondensatepipe
3Systemfailure orcrash
Check if there is any strongmagnetic field or electronicfieldaround
Turn off theinstrument,move awaythe source ofdisturbance andrebootthe system
VII. Maintenance
1. The analyzer needs heating up, so good ventilation and heatdissipationare necessary.2. It is recommended that in the certainperiod, the same extraction systemshould use the same solvent toprevent cross-contamination betweendifferent solvents.3. Clean theinstrument with a wet cloth to avoid static electricity; cleantheheating plate with an abrasive cloth to improve heattransmission.
4. Keep the receiving flasks and extraction containers clean.Clean them
)$46 User Manual
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regularly.5. Make sure that there is no seaweed growing in thecooler. If there is, cleanthe cooler with hydrochloric acid orhypochlorous acid (1 mol/L).
VIII. Caution
1. Read the manual carefully and follow the instructions. Theinstrument must
not be operated by any green hand.
2. The instrument must be cleaned with a wet cloth, especiallythe glass
wares. A dry one may generate static electricity and causedanger.
3. The maintenance must follow the instructions strictly.Necessary
replacement of glass wares, parts and wires can be done underthe
instruction of the professtional engineers. But other repairwork must be done
by the professtional engineers.
4. We does not guarantee safety after any unauthorizedalteration is done to
the instrument. Therefore, we does not take responsibility forany loss
thereafter.
5. Cut off the power before opening the instrument and replacingthe fuse
pipe.
6. Handle with care. There are some glass wares in theinstrument.7. If the instrument will not be used for a long time,remove the solvent in the
condensate pipes.
8. It is recommended that in the certain period, the sameextraction system
should use the same solvent to prevent cross-contaminationbetween
different solvents.
9. Mismanagement of organic solvent may cause explosion, so keepthe
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organic solvent away from fire and static electricity.
10. Dont touch the instrument when its heating up.
11. Dont leave the instrument in experiment unattended.
IX. Appendix
This product is covered by the one-year limited warranty sincethe day of
purchase. The limited warranty does not cover the followingsituations:
1. The warranty expired.
2. The instrument is damaged by any inappropriate use.
3. The instrument is damaged by any unauthorizeddisassembly.
4. The instrument is damage by any improper storage.
X. Reference for Temperature Value
The heating temperature should be adjusted according to theroom
temperature and the heat transmission efficiency from theheating plate to the
extraction cups. The dipping rate will be about 3-5dips/ secondin proper
temperature. The following chart can be referred to for theextraction
temperature of some common organic solvents.
)$46 User Manual
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SolventExtraction Temperature
30-60 Petroleum
ether80
Ether 60
Acetone 76
methylene dichloride 60
Hexane 89
Methanol 85Ethanol 98
chloroform 82
benzene 100
Attention: for the organic solvent not listed above, theextraction
temperature can be 20
higher than the boiling point.
Manual Operacion Del Equipo Analizador Fa46 - [PDF Document] (2024)
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