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The team of Thermo Scientific spectroscopy experts answers your toughest application questions!

The following questions were submitted by readers and answered by our highly trained staff. To read the answers, click on Read Our Answers to Your Questions.

To submit your own question, click on the red button at the bottom of the page.

Q1:  I want to do tablet API quantification by FT-NIR but I am not sure which technique is right for me, reflection or transmission?—Newark, NJ

Q2:   I want to take measurements of material in a fluid bed dryer as it is running. Would I put an analyzer up to the sight window and take data that way?—Long Beach, CA

Q3:  I am trying to do Raw Material Identification and I know that FT-NIR can penetrate through the sample bag. But don't you get a residual signal from the bag in the process? Doesn't that affect your calibration?—Naperville, IL

Q4:  I am using a process control system that runs on OPC and I want this sytem to tell the NIR that it is time to start or stop an analysis.—Denver, CO

Q5:  I want to measure a thick, viscous sample (molasses) for moisture and sugar profile by NIR, but trying to get this stuff into vial or cuvettes is really messy. Any ideas?—Tuscaloosa, AL

Q6:  I have a heterogeneous cattle feed sample with varying particle size that I would like to analyze "As Is" by NIR to avoid grinding and Dry Basis corrections.—Ft Worth, TX

Q7:  I have a GC in my lab to monitor the transesterification reaction for conversion of oil to biodiesel. It takes almost 30 minutes for the answer. How fast can NIR do this?—Cincinatti, OH

Q8:  Can you do analysis through amber vials for lyophilized materials?—San Jose, CA

Q9:   We are a lactose supply house and we have many different particle sizes of this material in house. Since it is all lactose, can NIR distinguish?—Naperville, IL

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