Ankom TDF Operator's Manual
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Ankom TDF Operator's Manual

Dietary fiber analyzer
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2052 O'Neil Rd, Macedon NY 14502 
Telephone: (315) 986‐8090 
Fax: (315) 986‐8091   
www.ankom.com 
 
  
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  • Page 1       Operator’s Manual                            This page intentionally left blank Rev A 4/30/12  2052 O’Neil Rd, Macedon NY 14502  Telephone: (315) 986‐8090  Fax: (315) 986‐8091    www.ankom.com ...
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  • Page 3: Table Of Contents

    Instrument Installation ...............................  1 1  Dietary Fiber Analysis Support Items  ..........................  1 5  Analysis Options using the ANKOM  Dietary Fiber Analyzer ...................  1 5  IDF/SDF Analysis .................................  1 7  TDF Analysis ................................  3 0  Protein Determination  ..............................  4 3  Ash Determination  ..............................  4 6  Enhance your productivity  ............................  4 9  Understand the Status Screen ............................  5 3  Fault Handling  ................................  5 6 ...
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  • Page 5: Introduction

    ANKOM Technology designs, manufactures, and markets instruments and support products used by analytical laboratories around the world in the environmental, agricultural, biomass, and food industries. ANKOM Technology can provide you with products for determining or monitoring dietary fiber, detergent fiber, fat, digestibility, microbial fermentation (anaerobic or aerobic) and more.

  • Page 6: Contact Information

      Contact Information  Committed to your total satisfaction, we are always available to help you get the most from your ANKOM products and to receive any comments or suggestions you may have to help us improve. For any questions or suggestions regarding your instrument, please contact us at: ...
  • Page 7 Operator’s Manual                 External Components – Front View  IDF Station (#4 of 6)  Clamp Bar B  Heating Paddle (#2 of 6)  Mixing Pad  Clamp Bar A  (#3 of 6)  Control Panel  IDF Delivery  Nozzle      (#1 of 6)  Touch  Screen  Display  SDF Delivery  Control  Nozzle        Buttons  (#1 of 6)  Front Cover  (Clear)  Hook for SDF Bag  Clamp Bar D  Filtrate Cup  (#2 of 6)  (#1 of 6)  Clamp Bar C  SDF Station (#6 of 6)  Waste Tray    Rev A 4/30/12    ...
  • Page 8   Operator’s Manual           External Components – Left Side View  Power Switch  Front Cover Arm  Front Cover  Enzyme Containers  Nitrogen Supply Port  100 psi (6.9 bar)  HCl Container  HCl Container Holder    External Components – Right Side View  Front Cover Arm  78% EtOH Container  Control Panel  Buffer Container  95% EtOH Container  Distilled Water Container  Chemical Container Holder        pg. 8    Rev A 4/30/12   ...
  • Page 9 Operator’s Manual                 Internal Components – Rear View    Main Electrical Cabinet  In‐Line Heater    “t” Manifold  IDF Inlet Valve  SDF Inlet Valve    IDF Inlet Valve  Stations 1, 2 & 3  Stations 1, 2 & 3  Stations 4, 5 & 6  SDF Inlet Valve  Stations 4, 5 & 6  Peristaltic  Supply  Enzyme  Waste Valves    Pump  Supply Valves  Manifold  (1 – 6)   Water, Buffer,  HCl        Pressure  Clamp Bar Cylinder  78% EtOH,  Supply Valve ...

  • Page 10: Safety Precautions

    WARNING: Attempts to override safety features or to use this instrument in a manner not specified by ANKOM Technology voids the warranty and may result in serious injury or even death. This system is designed to meet and/or exceed the applicable standards of CE and CSA.

  • Page 11: Instrument Installation

    Because the instrument is powered by pneumatics, do NOT run it without an adequate Nitrogen Supply. You can run approximately 5 to 10 full assays   (IDF/SDF or TDF) with a 304 cu ft tank of nitrogen. Instrument Installation Procedure  To install the ANKOM Dietary Fiber Analyzer, follow the steps below.
  • Page 12   Operator’s Manual           Waste Fluid Automatic Elimination: 1 – Waste Tray, 1 – Drain Tube, 1 – Drain Tube elbow connector Enzyme Containers: 1 – Amylase, 1 – Protease, 1 – AMG Waste Fluid Collectors: 6 – Filtrate Cups Chemical Containers with lids: 1 –...
  • Page 13 Operator’s Manual                 Bolts to attach the  Bolts to attach the  single container holder  three container holder  Connect the Control Panel to the instrument.  Remove the nuts from the right side of the instrument. Connect the 25 pin connector from the instrument to the Control Panel. Slide the Control Panel onto the bolts and secure it in place using the nuts. Bolts for  ...
  • Page 14   Operator’s Manual           Place the Chemical Containers in their holders. Place the HCl Container in the holder on the left side of the instrument. In the holder on the right side of the instrument, place the Distilled Water Container in the front section, the Buffer Container in the middle section, and the 78% EtOH Container in the back section.

  • Page 15: Dietary Fiber Analysis Support Items

    Dietary Fiber Analyzer can be configured to recover IDF and SDF residue, or to recover TDF residue. To maximize productivity, this instrument also allows a user to start new procedures (IDF/SDF and TDF) before the previous ones have completed. The following describes these analyses along with their specific filter bag configurations.
  • Page 16   Operator’s Manual                                 This page intentionally left blank   pg. 16    Rev A 4/30/12   ...
  • Page 17   IDF/SDF Analysis  An IDF/SDF analysis measures the amount of IDF and SDF within a given sample. This requires the use of ANKOM DF-I and DF-S filter bags. When starting a new run, the ANKOM Dietary Fiber Analyzer must have bags installed at all stations (a total of twelve bags).
  • Page 18 DE is used during fiber analysis to enhance the flocculation and filtration of the SDF fraction. Place ca 1 g of DE in each of six tared tins and record the weights. Weigh Samples.  Place 0.50.05 g of sample in each of six tared tins and record the weights. TDF  Install SDF filter bags on the ANKOM Dietary Fiber Analyzer.  Remove Clamp Bars A, B, C, and D.
  • Page 19 Flatten the bags to remove any wrinkles. With fingers away from the clamp bars, press the Clamp Bar D button on the control panel to pinch the bags just above the filter. Add DE to the SDF filter bags on the ANKOM  Dietary Fiber Analyzer.  Open the top of the SDF bag and add a weigh tin of DE to the bag by folding the tin and then dipping it down into the bag below the tip of the Delivery Nozzle.
  • Page 20   Rinse the tin with no more than 3 ml of Distilled Water to ensure complete transfer. Repeat steps 8.1 – 8.2 for all six stations. Install IDF filter bags on the ANKOM  Dietary Fiber Analyzer.  Pull the black IDF Delivery Nozzle out towards you. Place a labeled and weighed IDF bag up underneath the Delivery Nozzle so that the Delivery Nozzle is inside the top part of the bag.
  • Page 21 Re-install Clamp Bar A. 11. Perform the IDF/SDF procedure using the ANKOM  Dietary Fiber Analyzer.  The Control Panel on the ANKOM Dietary Fiber Analyzer uses Touch Screen technology. To operate the instrument you will press identified buttons on the Touch Screen Display and buttons below the screen. To perform the IDF/SDF procedure, follow the steps below.

  • Page 22: Idf/Sdf Analysis

      Operator’s Manual             06‐30‐2011 09:47 AM  Select a Function  AOAC 991.43  Diagnostics  11.2 Press the AOAC 991.43 button. The following screen will be displayed.   AOAC 991.43  ←  Select a Procedure  IDF/SDF 11.3 Notice that the function you selected is now displayed in the top right corner of the screen and a Back Button is displayed in the top left corner of the screen.
  • Page 23 Operator’s Manual                   AOAC 991.43 IDF/SDF  ←  Diatomaceous Earth  added in SDF Bags?   11.5 Make sure that DE is in your SDF bags; then press the check mark button. The following screen will be displayed.   AOAC 991.43 IDF/SDF  ←  IDF Bags installed? ...
  • Page 24   Operator’s Manual             AOAC 991.43 IDF/SDF  ←  Fluid levels correct?   11.8 Make sure that the fluid levels in all chemical and enzyme containers are above the Minimum Level; then press the check mark button. The following screen will be displayed.  ...
  • Page 25 Operator’s Manual                   AOAC 991.43 IDF/SDF  ←  Check pH manually?  11.11 If you plan to check the pH during the AMG step in the IDF process, press the Yes button. Otherwise, press the No button. The following screen will be displayed.  ...
  • Page 26   Operator’s Manual           Status  Yes  AOAC 991.43 IDF/SDF  pH required?       Overall Progress  Action in progress  Time remaining:  Checking tube integrity  IDF  Please wait…………..  XX:XX:XX  Time remaining:    SDF  XX:XX:XX      Display  Temperatures  When the tube integrity check is complete, the instrument will automatically execute the IDF/SDF procedure stopping only for faults, aborts, or manual pH measurement (if configured in step 11.10).
  • Page 27 After the instrument has completed an IDF process the IDF residue that has been collected in the IDF bag must be manually rinsed twice with acetone. It is recommended that you use an ANKOM TDF51 Rinse Stand (sold separately) for rinsing filter bags with acetone.
  • Page 28 After the instrument has completed an SDF process the SDF residue that has been collected in the SDF bag must be manually rinsed with acetone. It is recommended that you use an ANKOM TDF51 Rinse Stand for rinsing filter bags with acetone.
  • Page 29 , BR   =  Residue for duplicate blanks (g)        =  Final Blank Filter Bag (g)       =  Initial Blank Filter Bag (g)       =  Protein of Blank Filter Bag (g)       =  Ash of Blank Filter Bag (g)       =  Original wt of Diatomaceous Earth in Blank Filter Bag (g)  22. Calculate the % TDF value by adding the % IDF and % SDF values.        Rev A 4/30/12       pg. 29   ...
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  • Page 31: Tdf Analysis

      To ensure that you have enough fluids to run a complete TDF procedure, you must begin with fluid levels above the Minimum Level lines on the chemical containers and at least 10 ml of each enzyme. Add fluids and enzymes as necessary. ...
  • Page 32 DE is used during fiber analysis to enhance the flocculation and filtration of the SDF fraction. Place ca 1 g of DE in each of six tared tins and record the weights. Weigh Samples.  Place 0.50.05 g of sample in each of six tared tins and record the weights. Install SDF filter bags on the ANKOM  Dietary Fiber Analyzer.  Remove Clamp Bars A, B, C, and D. Clamp Bar A ...
  • Page 33 Flatten the bags to remove any wrinkles. With fingers away from the clamp bars, press the Clamp Bar D button on the control panel to pinch the bag just above the filter. Add DE to the SDF filter bags on the ANKOM  Dietary Fiber Analyzer.  Open the top of the SDF bag and add a weigh tin of DE to the bag by folding the tin and then dipping it down into the bag below the tip of the Delivery Nozzle.
  • Page 34   Rinse the tin with no more than 3 ml of Distilled Water to ensure complete transfer. Repeat steps 8.1 – 8.2 for all six stations. Install IDF Flow‐Thru bags on the ANKOM  Dietary Fiber Analyzer.  Pull the black IDF Delivery Nozzle out towards you. Place a labeled IDF Flow-Thru bag up underneath the Delivery Nozzle so that the Delivery Nozzle is inside the top part of the bag.
  • Page 35 Dietary Fiber Analyzer uses Touch Screen technology. To operate the machine you will press identified buttons on the Touch Screen Display and buttons below the screen. To perform the TDF procedure, follow the steps below. 11.1 When your instrument is fully initialized and ready to operate, the following screen will be displayed.
  • Page 36 Notice that the function you selected is now displayed in the top right corner of the screen and a Back Button is displayed in the top left corner of the screen. ←  Press the TDF button to run this assay. The following screen will be displayed.   AOAC 991.43 TDF ...
  • Page 37 Operator’s Manual                   AOAC 991.43 TDF  ←  Diatomaceous Earth  added in SDF Bags?   11.5 Make sure that your DE is in your SDF bags; then press the check mark button. The following screen will be displayed.   AOAC 991.43 TDF ...
  • Page 38             AOAC 991.43 TDF  ←  Fluid levels correct?   11.8 Make sure that the fluid levels in all chemical and enzyme containers are above the Minimum Level; then press the check mark button. The following screen will be displayed.
  • Page 39 START 11.12 The instrument is now completely set up and ready to automatically run the TDF procedure. Press the START button to begin. At the beginning of each new run, the instrument automatically runs a test to check for leaks in the tubing.
  • Page 40 Display  Temperatures  When the tube integrity check is complete, the instrument will automatically execute the TDF procedure stopping only for faults, aborts, or manual pH measurement (if configured in step 11.10). The Status screen will show actions and faults as they occur during the automatic operation.
  • Page 41 13. Rinse the SDF filter bags with acetone.  After the instrument has completed a TDF process the TDF residue that has been collected in the SDF bag must be manually rinsed with acetone. It is recommended that you use an ANKOM TDF51 Rinse Stand (sold separately) for rinsing filter bags with acetone.
  • Page 42 Operator’s Manual           15. Weigh the TDF residue.  15.1 Tare a Bag Weigh Holder. 15.2 Remove one SDF filter bag from the desiccant pouch. 15.3 Roll or fold the filter bag, place it in a tared Bag Weigh Holder, and place the Bag Weigh Holder in the center of a scale.

  • Page 43: Protein Determination

    Operator’s Manual                 Protein Determination  AOAC method 991.43 suggests that the Kjeldahl method be used for determining   protein content.     Since a large amount of acid is used in the Kjeldahl digestion process, make sure  ...
  • Page 44   Operator’s Manual           Peal the filter off of the remaining clear polypropylene material. Transfer any loose residue from the clear polypropylene material and from the blank sheet of paper back onto the filter material. Make the remaining filter as small as possible by folding the filter material from side to side and from top to bottom, keeping the residue in the filter material.
  • Page 45   SDF / TDF – Kjeldahl Method  To determine the protein content within the SDF or TDF residue, follow the procedure below. Cut the filter bag just above the seal at the top of the filter. Fold the remainder of the filter bag in thirds from side to side.
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  • Page 47: Ash Determination

    Operator’s Manual                 Ash Determination  For best results use Ceramic crucibles with fitted covers. Fold the filter bags so that   they easily fit into the crucibles.   IDF  To determine the ash content within the IDF residue, follow the procedure below. Starting at the bottom of the filter part of the bag, fold the bag upward, leaving at least 5 mm at the top of the clear polypropylene that is not folded.
  • Page 48 SDF bag be ashed. To determine the ash content within the SDF / TDF residue, follow the procedure below. Starting at the bottom of the filter part of the bag, fold the bag upward, leaving at least 5 mm at the top of the clear polypropylene that is not folded.

  • Page 49: Enhance Your Productivity

    To enhance the productivity of your instrument, you can begin the digestion process (run in the IDF part of the instrument) of a new procedure (IDF/SDF or TDF) while the precipitation process (run in the SDF part of the instrument) of a previous procedure (IDF/SDF or TDF) is still running.
  • Page 50 Check Fluid Levels.  To ensure that you have enough fluids to run a complete IDF/SDF or TDF procedure, you must begin with fluid levels above the Minimum Level lines on the chemical containers and at least 10 ml of each enzyme. Add fluids and enzymes as necessary.
  • Page 51 A number pad will be displayed that will allow you to enter a time. When all of the times shown on the screen are what you want, press the check mark button and continue to answer the questions.   AOAC 991.43 IDF/SDF  AOAC 991.43 TDF  ←  ← Filter minutes OK? SDF Filter minutes OK? (Press button with number to change)
  • Page 52 TDF procedure before the precipitation process for the IDF/SDF   procedure completed, the top right corner of the display will show “TDF” even though the IDF/SDF procedure is not fully complete. The material from the IDF or IDF Flow-Thru bags will not empty into the SDF bag until you verify that a new SDF bag has been installed.

  • Page 53: Understand The Status Screen

    Box #2 displays “AOAC 991.43” along with the most recent procedure that you have started (either “IDF/SDF” or “TDF”). For example, “AOAC 991.43 IDF/SDF” is displayed when the most recent procedure started is an IDF/SDF. If you start a TDF procedure while you are still running the SDF process from an IDF/SDF procedure, “TDF”...
  • Page 54 This button is only displayed when an ABORT operation is allowed.   Bottom process – Name  Box #7 always displays “SDF” to represent an SDF process within an IDF/SDF procedure or the precipitation process within a TDF procedure. Bottom process – Progress  Box #8 displays the actual time remaining for the bottom process. Bottom process – Action ...
  • Page 55 Operator’s Manual                 14. Filter time increment  Button #14 is displayed when a top or bottom process begins its filter action. At that time, the button reads: “Filter Time +.” When button #14 is pressed, the remaining filter time is increased by one minute for every time the button is pressed up to a limit of 54 additional minutes.
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  • Page 57: Fault Handling

    Operator’s Manual                 Fault Handling  When the instrument detects a problem, it generates a fault. Some faults require the instrument to abort operations. Other faults will allow the instrument to continue operation. The computer clears all fault codes at the beginning of each new procedure. However, if you start a new procedure without correcting the cause of a fault, it  ...
  • Page 58   Operator’s Manual           #  Name  Description  Result  Correction  In-line Heater The device that heats the fluid before In-progress processes are Run diagnostics. Over Temp delivery is reporting a temperature that is aborted. Replace sensor or higher than the specified range. heater.

  • Page 59: Diagnostics Mode

            Diagnostics Mode  To help solve problems that may occur while running the ANKOM Dietary Fiber Analyzer, and to assist with periodic maintenance procedures, a computer controlled Diagnostics Mode is available through the Touch Screen Display.   06‐30‐2011 09:47 AM ...
  • Page 60   Operator’s Manual           Temperatures  When you press the Temperatures button on the Diagnostics screen, the following screen is displayed.   ←  Temperature Monitor (°C)  Paddle 1  Paddle 2  Paddle 3 Paddle 4 Paddle 5 Paddle 6  XX  XX  XX  In‐line Heater  The readings for the In-line Heater and all six Heating Paddles dynamically change as the temperature changes. Set Date/Time ...
  • Page 61 Operator’s Manual                 Valve Test  When you press the Valve Test button on the Diagnostics screen, the following screen is displayed. Valve Test   ←      Clamp Bar A  Amylase Supply  Water Supply IDF Inlet IDF N2 (closed)  (closed)  (open)  (off)  (out) ...
  • Page 62 When you press one of the Continue buttons, the Pump Tube Test screen is once again displayed with the bottom part of the screen showing the status of each tube. This diagnostic is automatically executed at the beginning of each new IDF/SDF or TDF run. ...
  • Page 63 Operator’s Manual                 This diagnostic allows you to test the motor at different speeds (default is 240 RPM) and directions using different amounts of fluid. (The type of fluid used is determined by the supply valves that you open.) Before pressing the GO button to start the Motor Test, you must first open at least one Supply Valve and one Output Valve.
  • Page 64 This is the same screen that is displayed before starting an IDF/SDF run. The times set in Diagnostics Mode using this screen will be the default values until you either set them to different values during an IDF/SDF or TDF run, or you power off the instrument.
  • Page 65 This diagnostic allows you to pump individual fluids, or all of the fluids, into the lines from the Chemical Containers to the “t” Manifold. If by accident you run out of any fluid during a normal IDF/SDF or TDF run, there may not be enough fluid in the lines for the next assay.
  • Page 66   Operator’s Manual           This diagnostic allows you to verify that the instrument is delivering the correct amount of fluid through the tubing. This calibration should be done after installing new tubing. To run the Volume Calibration procedure, follow the steps below. Label and weigh six small empty glass beakers. ...
  • Page 67 Operator’s Manual                   ←  Place Calibration containers under IDF Delivery Nozzles.  Press OK when done.  OK  4. Remove the containers with fluid.  5. Install the empty pre‐weighed beakers under all six IDF Delivery Nozzles and press the OK button.  While the fluids are being delivered, the following screen is displayed. Volume Calibration    ←  Final fluid delivery in progress... When the fluid delivery is complete, the following screen is displayed.  ...
  • Page 68   Operator’s Manual           Volume Calibration   ←  Enter average volume delivered              by pressing the number input,      Calibration Time  entering the number, then pressing      the “SET” button.  xx.x  20.0  SET  6. Remove the beakers with fluid and weigh them.  7. Determine the amount of fluid delivered.  Subtract the weight of the empty beakers from the weight of the beakers that contain fluid. Given that 1gram of water equals 1 ml of water, convert the weight in grams to volume in ml. ...
  • Page 69 From this screen, you can see the number of digestion operations that have been done. Expert Mode  When Expert Mode is “ON,” all of the question screens in the IDF/SDF and TDF procedures are bypassed except for the “Check pH manually?” and “Filter minutes OK?” screens.
  • Page 70   Operator’s Manual                                 This page intentionally left blank   pg. 70    Rev A 4/30/12   ...

  • Page 71: Periodic Maintenance

    Replace tubing as needed. Troubleshooting  The ANKOM technology web site has the most current troubleshooting information. Therefore, if you have any questions about the operation of your ANKOM Dietary Fiber Analyzer, please visit our web site at www.ankom.com. ...
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  • Page 73: Appendix A - Reagents (Aoac 991.43, Aacc 32-07.01, Nmkl 129, 2003)

    (e) Amyloglucosidase (AMG) solution—Dilute 5.0 ml of Megazyme AMG to 25 ml with a solution of 25% Glycerol and 0.02% Sodium Azide in Distilled Water. (f) Diatomaceous earth (DE)—(ANKOM XTC, or equivalent). (g) MES—2-(N-Morpholino)ethanesulfonic acid (No. M-8250, Sigma Chemical Co., or equivalent).

  • Page 74: Appendix B - Storage Procedure

      Operator’s Manual           Appendix B – Storage Procedure  There is a possibility that the flow of fluids could be impaired if fluids are allowed to sit in the lines for an extended period of time. To maintain proper fluid flow, execute the following procedure before the instrument is allowed to sit unused for 2 weeks or more.

  • Page 75: Appendix C - Parts & Assemblies

    Operator’s Manual                 Appendix C – Parts & Assemblies  TDF17 – Control Panel assy  TDF23 – Front Clamp Bar assy      TDF24 – Paddle Bar assy  TDF25.1 – Burkert Valve assy – Water      TDF25.2 – Burkert Valve assy – Buffer  TDF25.3 – Burkert Valve assy – EtOH78 TDF25.4 – Burkert Valve assy – EtOH95        TDF26 – SMC Valve assy  TDF27 – Pump assy  TDF31 – Supply Manifold assy              Rev A 4/30/12       pg. 75   ...
  • Page 76   Operator’s Manual           TDF33 – Mixing Pad assy  TDF34 – N2 Check Valve assy        TDF35 – Amylase Container assy  TDF36 – Protease Container assy  TDF37 – AMG Container assy              TDF38 – HCl Container assy  TDF39 – Buffer Container assy  TDF40 – Distilled Water Container assy              TDF41 – 78% EtOH Container assy  TDF42 – 95% EtOH Container assy  TDF44 – Spray Tip assy                        pg. 76    Rev A 4/30/12 ...
  • Page 77 Operator’s Manual                       TDF50 – Drying Rack assy  TDF51 – Rinse Stand assy  TDF52 – Bag Weigh Holder assy        TDF53 – Filtrate Cup  XTC – Diatomaceous Earth (DE)  F08 – Solvent Resistant Marker          X45 – Desiccant Pouch  1915 – Heat Sealer  8262 – Gasket        DF‐S – SDF Filter Bags (50)  DF‐I – IDF Filter Bags (50)  DF‐FT – Flow‐thru Filter Bags                Rev A 4/30/12  ...
  • Page 78   Automation saves time and money!  ANKOM Technology is an international company with products that include…  A2000 Fiber Analyzer   Crude Fiber (AOCS Ba 6a-05), ADF, NDF  Automatically adds solutions and rinses  Batch process - up to 24 samples at one time     XT15 Fat Extractor   Official Method AOCS Am 5-04  Fully automatic ...

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