TE Buffer (100X)TE缓冲液100XSKU:SG EC-862TE Buffer is a 100X concentrated solution of 1 M Tris-HCl, pH 8, with 0.1 M Na2EDTA. This buffer is the standard for DNA and RNA purification, processing and storage. National Diagnostics TE buffer is produced to the same exacting standards that have made all our buffers trusted by molecular biologists worldwide.