Normal blood levels of potassium are critical for maintaining normal heart electrical rhythm. Both low blood potassium levels (hypokalemia) and high blood potassium levels (hyperkalemia) can lead to abnormal heart rhythms. The most important clinical effect of hyperkalemia is related to electrical rhythm of the heart.
The troy ounce (oz t) is a unit of imperial measure, now commonly used to measure the mass (weight, in common parlance) of precious metals. One troy ounce is defined as exactly 31.1034768 g (1.097142857143 oz.), which may be used to denote the value of a precious metal. One troy ounce of gold is denoted with the ISO 4217 currency code XAU, while one troy ounce of silver is denoted as XAG. The troy ounce is about 10% heavier (ratio 192/175) than the avoirdupois ounce, used for everyday purposes in the United States.
One troy ounce is equal to 31.1034768 grams. A troy ounce of gold is about 10% heavier than a avoirdupois ounce which is used in the United States. 1 troy ounce of gold is equal to 1.097142857143 avoirdupois ounces of gold. The gold price per ounce displayed on goldprice.org is the price of gold per troy ounce of gold. There is 32.1507 troy ounces of gold in a kilo of gold. There is 12 troy ounces of gold in a troy pound of gold. The ISO 4217 currency code for one troy ounce of gold is XAU.