Description
Potassium Bitartrate, Powder, R1-EAgent, also known as potassium acid tartrate, is NIST’s primary reference standard for a pH buffer. The R1-EAgent grade denotes that this chemical is the highest quality commercially available and that the American Chemical Society has not officially set any specifications for this material. Spectrum Chemical manufactured R1-EAgent grade products meet the toughest regulatory standards for quality and purity.