Related Words

Alkaline: Having a pH greater than 7.

Alkaline Error: A systematic error that occurs when glass electrodes are used to read the pH of an extremely alkaline solution; the electrode responds to sodium ions as though they were hydrogen ions, givin . . . View Full Definition

Alkaline Earth Metal: The Group 2 elements, beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra) form alkaline oxides and hydroxides and are called 'alkaline earth metals'.

Alkaline Earth: An oxide of an alkaline earth metal, which produces an alkaline solution in reaction with water.

Ammonia: Pure NH3 is a colorless gas with a sharp, characteristic odor. It is easily liquified by pressure, and is very soluble in water. Ammonia acts as a weak base. Aqueous solutions of ammonia are . . . View Full Definition

PH: The negative logarithm of the H+ ion concentration. The pH is a measure of the acidity or basic character of a solution. Since it measures a fraction, the larger the pH number, the less H io . . . View Full Definition

Sultana Coffee: The dried husks of the coffee cherry. Common to dark roast coffees that are pungent due to bitter replacing a sweet in the taste modulation ranging form creosol to alkaline.

Strong Base: A strong base is an base that completely dissociates into ions in solution. Strong bases are strong electrolytes. The most common strong bases are alkali metal and alkaline earth metal hydroxides.

Sodium Hydroxide: Highly active alkaline accelerator used in conjunction with hydroquinone to produce high contrast developers.

Brackish: A taste fault giving the coffee brew a salty and alkaline sensation. The result of salts and alkaline inorganic material left after evaporation of water from the brew due to excessive heat a . . . View Full Definition