The following are the most common symptoms of a Chiari malformation. 1  However, each child may experience symptoms differently. In infants and older children born with this condition, symptoms may include: 2  Headaches. 3  Stiffness or pain in the neck or back of the head area. 4  Poor feeding and swallowing. 5  Decreased strength in the arms.
A buffer solution (more precisely, pH buffer or hydrogen ion buffer) is an aqueous solution consisting of a mixture of a weak acid and its conjugate base, or vice versa.
buffer buffÂ·er (bÅ­f'Ér) n. A substance that minimizes change in the acidity of a solution when an acid or base is added to the solution. v. buffÂ·ered, buffÂ·erÂ·ing, buffÂ·ers To treat a solution with a buffer.