The hormone DHEA usually is connected to this ion, and a test measuring their level together is used to monitor adrenal gland function. Turpentine with this ion is generated by the Kraft process, which is sometimes named for 
The hormone DHEA usually is connected to this ion, and a test measuring their level together is used to monitor adrenal gland function. Turpentine with this ion is generated by the Kraft process, which is sometimes named for this ion. This ion combines with magnesium to form Epsom salt, or with calcium to form gypsum. This ion combines with barium to form barite, and that same combination is used as an X-ray contrast agent. The most common iron supplements combine iron with this ion. Acids with this ion have become a problem in many lakes due to acid rain. Name this ion that combines with hydrogen to form sulfuric acid.
The hormone DHEA usually is connected to this ion, and a test measuring their level together is used to monitor adrenal gland function.
sulfate ion [accept SO2− 4 or SO−2 4 ; do not accept "sulfur" or "sulfite"]