
ZymoBIOMICS Microbial Community DNA Standard II Log Distribution (D6311) by Zymo Research — 220 ng/20 µl, 10 microbial strains (8 bacteria + 2 yeasts) at logarithmic abundances spanning 6 orders of magnitude. <0.01% foreign DNA; detects as few as 3 DNA copies. For NGS metagenomics QC and workflow bias detection. Made in the USA.