Results obtained with Azo-Xylan (Birchwood) (S-AXBL / S-AXBP) seem unstable, and have dropped from 10,000 units to 850 units after 3 weeks?

Modified on Thu, 23 Sep, 2021 at 3:58 PM

The normal variability with this product is +/- 5-7%.  Check your blank value which should be less than 0.1.  If this value increases with time, the substrate has been contaminated with enzyme and should be discarded.


Product Page (S-AXBP)


Product Page (S-AXBL)


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