What is Potassium hydrogen phthalate?
Potassium hydrogen phthalate, generally alleged artlessly KHP, is an acerb alkali compound. KHP is hardly acidic, and it is generally acclimated as a primary accepted for acid-base titrations because it is solid and air-stable, authoritative it simple to counterbalance accurately.
It forms white powder, achromatic crystals, a achromatic solution, and an ionic solid that is the monopotassium alkali of phthalic acid. It is not hygroscopic.It is aswell acclimated as a primary accepted for calibrating pH meters because, besides the backdrop just mentioned, its pH in band-aid is actual stable.