Let Us Handle Your Buffer Preparation Thermo Fisher Scientific is here to support you with the buffer preparation in your manufacturing workflow. Leaving the non-core activities to us enables you to focus on the patient therapy development. Our capabilities cover off-the-shelf products like WFI, NaOH, NaCl, or EtOH, a library of the most frequently used buffers that are made-to-order, as well as fully customized buffers.