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During a crude fiber or acid detergent procedure, the time frame during which samples are exposed to 100°C solution(s) is extremely important. If the Fiber Analyzer begins a procedure at a temperature higher than 20°C, the instrument will heat the...
Possible Causes: A leak has occurred at the agitator shaft. The packing nut requires attention. Refer to Service Procedure Agitator Packing Maintenance and Nut Adjustment (AS001). If tightening the packing nut does not stop the leak, you will need to...
Maintenance procedures can be found under the section titled, "Periodic Maintenance" in your TDF Operator's Manual and the TDF Preventative Maintenance Process Guide (TS047). A maintenance checklist can also be found below.
Since your GPM software runs on a PC, power sources, the operating system (e.g., Windows) settings, as well as other programs and network connections on the PC can affect the GPM software. Power If your PC is being powered by a battery or an...
Possible cause: A power surge has occurred. Solution: Reprogram your controller using the controller menu setup in your Operator's Manual
Possible Causes: 1) Sample size is too large. 2) Bags were not acetone rinsed. 3) The rubber baffle spacers fell off. Possible Solutions: 1) Ensure that the procedure is followed completely. 2) Reduce sample size to .025 per procedure. 3) Rinse bags...
We have found that it is best to slowly ramp up the digestion temperatures so that foaming in the digestion tubes is minimized. As a result, we would suggest the following times and temperatures: : Preheat to 200°C; Clear at 300°Cfor 15min; Digest at...
Test the rinse water with litmus paper during the last minute of the fourth hot water rinse. If the test indicates the presence of acid, repeat with fresh, hot water until a neutral pH is achieved.
You can see unexpectedly high values when hydrolyzing fat samples if the samples are not adequately dried after the hydrolysis step. Possible reasons for insufficient drying include: (1) Dryer is not working properly - Filter needs to be replaced -...
An E12 fault is the result of the high-pressure sensors reading input pressure above 100 psi. N2 Input pressure is always monitored, and the fault could occur at any point during a run. The fault will interrupt the run and wait for the operator to...
Some sample types can be difficult to filter, even though the IDF and SDF filter bags have a significantly greater filter surface area than the Gooch crucible. Some samples become gelatinous in an aqueous solution (such as psyllium, chia seeds, or...
AOAC 991.43 calls for filtration via a fritted crucible of 40-60 microns with Diatomaceous earth, or equivalent. Particle retention per the method is accomplished by adding diatomaceous earth contained in a fritted crucible. The fine filtration and...
Possible Causes: Faulty A2000 Temp Controller ( Part #: A11). Refer to Service Procedure Controller Temp Test (AS014). Faulty Splat Controller ( Part #: A09) Poor Connection between the Temp Controller and the Splat Controller (AS020).
Neutral detergent consists of varying amounts of 4 dry chemicals and triethylene glycol. If you remove only a portion of the dry chemicals to make less than 20L of solution, it is impossible to know if the solution has the correct ratio of chemicals...
Amylase is utilized to help digest the starch in the sample. Even using expired Alpha Amylase, it is highly likely the non-starch components, as well as most of the starch, are gone. Put the Filter Bags in a 1 L beaker with 80 °C water and 8 ml of...
In developing our hydrolysis process, we did extensive research into acid and base hydrolysis. We found that the acid hydrolysis did well with a variety of samples, including those normally hydrolyzed in a base solution, i.e., dairy products. As a...
Utilize a transfer pipette to handle this and follow the procedure below: (1) Weigh the pipette and tare the weight. (2) Fill the pipette with a liquid sample. (3) Place the pipette on the balance and record the weight. (4) Pipette out the liquid...
Yes, Electrostatic Discharge (ESD) can cause the flash programming of the XBee chips in your #RF1, RF1X, # RF5, and RF5X modules to become corrupted and stop communicating with the RF GPM software. Therefore, we highly recommend using an ANKOM Anti...
To correct this problem, try one or both of the following procedures: (1) During the de-fat procedure, do two 10-minute soaks in petroleum ether. This is particularly helpful with high fat (> than 20%) samples. (2) It is possible you have a sample...
The XT10 and XT15 look very similar and have much in common. Similarities: 1. High temperature, high pressure Soxhlet-like extractions on up to 15 samples at a time. 2. The extraction time is one hour for the vast majority of samples. 3. Same foot...
If you do the de-fat procedure using ANKOM XT4 filter bags, after you complete the Kjeldahl digestion, there will be a white substance on top of the resulting liquid. This substance is the PTFE coating on the XT4 filter bags. This substance will NOT...
With the lignin procedure, two common errors will create false high values. (1) The first error is placing the F57 Filter Bags into the 72% sulfuric acid when there is moisture in the bags and samples. To avoid this situation, after the ADF procedure...
In the past, we recommended customers to de-fat in XT4 bags. When the defatting process was completed, the XT4 bags were cut up and placed in the IDF bag. If the XT4 bag is cut into very small pieces, the sharp edges of the cut pieces can penetrate...
Refer to Service Procedure Agitation and System Check (DES031).
Refer to XT15 Service Procedure Solvent Drain & Flush (X5S019) linked below.
The site glass assembly can be removed and cleaned; however, it is highly recommended to replace the tubing to the site glass after cleaning. Contact ANKOM Technical Service at https://www.ankom.com/contact/technical-services for instructions. The...
IMPORTANT: This message can be falsely declared if your instrument has been idle for a period of time. To reduce the chance of false declarations always run a line charge or two at the beginning of a routine, especially after a period of idle time (e...
The FLEX Vitamin and Cholesterol analysis run time is a little over two hours. Technician time is only five to ten minutes of set-up prior to running the instrument. This includes weighing samples into each digestion vessel and loading the digestion...
The ANKOM FLEX Total Fat analysis run time is just under two and a half hours. Technician time is only five to ten minutes of set-up prior to running the instrument. This includes weighing samples into each digestion vessel and loading the digestion...
One ANKOM FLEX run includes four assays and will be completed in approximately two hours. Therefore, in an eight-to-ten-hour workday, the instrument can be run four times, resulting in sixteen assays per day, and eighty assays per five-day workweek...
The FLEX instrument can process up to 20g of sample for vitamin and cholesterol analysis. The sample size maximum is dependent on sample composition, analyte content, and the homogeneity of the sample. Samples that typically require 20g test portion...
All food and feed samples can be run on the ANKOM FLEX.
The FLEX method saponifies at 75°C for forty-five minutes. However, the temperature and duration of saponification can be adjusted.
No. The FLEX instrument uses solid phase extraction (SPE) technology, which does not produce emulsions.
To properly set up your instrument for the various fiber analyses, refer to the A2000 Operator's Manual.
Possible Causes: (1) The level sensor has failed to detect the liquid that is in the vessel. If the vessel is full and this fault screen appears, press to drain the fluid. You may want to capture the solution and re-use it. Refer to DELTA...
The isolation of vitamin K from samples has not yet been done. However, the FLEX instrument has custom method capability which should allow for vitamin K method development.
Yes. The extraction process, and method, are the same as the fat-soluble vitamin extraction.
Yes. A check sample, Infant Formula, ( Part #: FLEX65) can be purchased on the ANKOM website.
The SPE column contains silica-based sorbent.
The SPE columns and vessel filters can only be purchased through ANKOM.
This fault indicates a System Integrity Failure. One or more vessels did not reach or hold pressure properly. To resolve an MF1 fault: 1. Confirm the Low N2 setting is: 2.6 - 3.0 PSI. See Section 6.7.2 of the FLEX Operator’s Manual. 2. Tighten the...
This fault indicates a System Integrity Failure. One or more columns or round bottom flasks did not reach or hold pressure properly. To resolve an MF24 fault: 1. Confirm the Low N2 setting is: 2.6 - 3.0 PSI. See Section 6.7.2 of the FLEX Operator's...
In the event of a Drain Time-Out Fault (MF7) or an Abort during a Drain Module, users must flush the lines beneath the vessels to clear the residue prior to starting a new run. For more information, refer to Section 17 of the FLEX Operator’s Manual...
Daily maintenance includes wiping digestion spray nozzles, digestion vessel bases, and SPE column top rings with a dampened towel. A detailed service and replacement schedule can be found in the Periodic Maintenance section of the FLEX Operator’s...
No. The digestion vessels must not be left assembled for extended periods of time (e.g. overnight). If digestion vessels are left assembled for extended periods of time, the O-rings in the vessel bottom assemblies will deform and future integrity...
Our grinding recommendation for samples to be extracted in our Fiber Analyzer is: 1 mm with a Wiley Mill 2 mm with a Cyclone Mill (such as UDY or Retsch)
The preprogrammed vitamin methods are based on a combination of the following official methods: AOAC 2011.07, EN-12823-1, EN-12822, and EN-17547. The preprogrammed method for total fat involves hydrochloric acid hydrolysis, followed by extraction...
The current software will not allow for remote monitoring. This functionality may be added in future software versions.
Yes. The flow path consists of chemically inert materials and a nitrogen atmosphere.