Description
Buffer, Hydrion(R), Dry, pH 4.00 +/- 0.02 – All Hydrion buffer salts are directly trac1-EAble to NIST standards and certified to +/- 0.02 ph units at 25 DEG C. These solutions are mainly utilized to keep pH at a constant value in a variety of chemical applications. Ungraded products supplied by Micro Essential Laboratory are indicative of a grade suitable for general industrial use or res1-EArch purposes and typically are not suitable for human consumption or therapeutic use.
